Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (32 commits)
sh: intc: switch irq_desc iteration to new active IRQ iterator.
sh: fix up cpu hotplug IRQ migration for irq_data changes.
sh: oprofile: Make sure the backtrace op is available for timer-fallback.
sh64: oprofile: Fix up kernel stack pointer size mismatch.
sh: oprofile: Fix up and extend op_name_from_perf_id().
sh: lockless get_user_pages_fast()
sh64: _PAGE_SPECIAL support.
sound: sh: ctrl_in/outX to __raw_read/writeX conversion.
sh: disable deprecated genirq support.
sh: update show_interrupts() for irq_data chip lookup.
sh: intc: irq_data conversion.
sh64: irq_data conversion.
sh64: update for IRQ flag handling naming changes.
rtc: rtc-rs5c313: ctrl_in/outX to __raw_read/writeX conversion.
sh: mach-se: irq_data conversion.
input: hp680_ts_input: ctrl_in/outX to __raw_read/writeX conversion.
input: jornada680_kbd: ctrl_in/outX to __raw_read/writeX conversion.
sh: hd64461: irq_data conversion.
sh: mach-x3proto: irq_data conversion.
sh: mach-systemh: irq_data conversion.
...
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0f40fc3..792cf90 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -25,8 +25,11 @@
select HAVE_KERNEL_LZO
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_GENERIC_HARDIRQS
+ select HAVE_SPARSE_IRQ
select RTC_LIB
select GENERIC_ATOMIC64
+ select GENERIC_HARDIRQS_NO_DEPRECATED
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
@@ -49,6 +52,7 @@
select HAVE_MIXED_BREAKPOINTS_REGS
select PERF_EVENTS
select ARCH_HIBERNATION_POSSIBLE if MMU
+ select SPARSE_IRQ
config SUPERH64
def_bool ARCH = "sh64"
@@ -78,19 +82,9 @@
config GENERIC_HWEIGHT
def_bool y
-config GENERIC_HARDIRQS
- def_bool y
-
-config GENERIC_HARDIRQS_NO__DO_IRQ
- def_bool y
-
config IRQ_PER_CPU
def_bool y
-config SPARSE_IRQ
- def_bool y
- depends on SUPERH32
-
config GENERIC_GPIO
def_bool n
diff --git a/arch/sh/boards/mach-cayman/irq.c b/arch/sh/boards/mach-cayman/irq.c
index 1394b07..d7ac5af 100644
--- a/arch/sh/boards/mach-cayman/irq.c
+++ b/arch/sh/boards/mach-cayman/irq.c
@@ -55,8 +55,9 @@
.flags = IRQF_DISABLED,
};
-static void enable_cayman_irq(unsigned int irq)
+static void enable_cayman_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned long flags;
unsigned long mask;
unsigned int reg;
@@ -72,8 +73,9 @@
local_irq_restore(flags);
}
-void disable_cayman_irq(unsigned int irq)
+static void disable_cayman_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned long flags;
unsigned long mask;
unsigned int reg;
@@ -89,16 +91,10 @@
local_irq_restore(flags);
}
-static void ack_cayman_irq(unsigned int irq)
-{
- disable_cayman_irq(irq);
-}
-
struct irq_chip cayman_irq_type = {
.name = "Cayman-IRQ",
- .unmask = enable_cayman_irq,
- .mask = disable_cayman_irq,
- .mask_ack = ack_cayman_irq,
+ .irq_unmask = enable_cayman_irq,
+ .irq_mask = disable_cayman_irq,
};
int cayman_irq_demux(int evt)
diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index d932667..72e7ac9 100644
--- a/arch/sh/boards/mach-dreamcast/irq.c
+++ b/arch/sh/boards/mach-dreamcast/irq.c
@@ -60,8 +60,9 @@
*/
/* Disable the hardware event by masking its bit in its EMR */
-static inline void disable_systemasic_irq(unsigned int irq)
+static inline void disable_systemasic_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
__u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2);
__u32 mask;
@@ -71,8 +72,9 @@
}
/* Enable the hardware event by setting its bit in its EMR */
-static inline void enable_systemasic_irq(unsigned int irq)
+static inline void enable_systemasic_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
__u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2);
__u32 mask;
@@ -82,18 +84,19 @@
}
/* Acknowledge a hardware event by writing its bit back to its ESR */
-static void mask_ack_systemasic_irq(unsigned int irq)
+static void mask_ack_systemasic_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
__u32 esr = ESR_BASE + (LEVEL(irq) << 2);
- disable_systemasic_irq(irq);
+ disable_systemasic_irq(data);
outl((1 << EVENT_BIT(irq)), esr);
}
struct irq_chip systemasic_int = {
.name = "System ASIC",
- .mask = disable_systemasic_irq,
- .mask_ack = mask_ack_systemasic_irq,
- .unmask = enable_systemasic_irq,
+ .irq_mask = disable_systemasic_irq,
+ .irq_mask_ack = mask_ack_systemasic_irq,
+ .irq_unmask = enable_systemasic_irq,
};
/*
diff --git a/arch/sh/boards/mach-landisk/irq.c b/arch/sh/boards/mach-landisk/irq.c
index 96f38a4..e79412a 100644
--- a/arch/sh/boards/mach-landisk/irq.c
+++ b/arch/sh/boards/mach-landisk/irq.c
@@ -18,25 +18,24 @@
#include <linux/io.h>
#include <mach-landisk/mach/iodata_landisk.h>
-static void disable_landisk_irq(unsigned int irq)
+static void disable_landisk_irq(struct irq_data *data)
{
- unsigned char mask = 0xff ^ (0x01 << (irq - 5));
+ unsigned char mask = 0xff ^ (0x01 << (data->irq - 5));
__raw_writeb(__raw_readb(PA_IMASK) & mask, PA_IMASK);
}
-static void enable_landisk_irq(unsigned int irq)
+static void enable_landisk_irq(struct irq_data *data)
{
- unsigned char value = (0x01 << (irq - 5));
+ unsigned char value = (0x01 << (data->irq - 5));
__raw_writeb(__raw_readb(PA_IMASK) | value, PA_IMASK);
}
static struct irq_chip landisk_irq_chip __read_mostly = {
.name = "LANDISK",
- .mask = disable_landisk_irq,
- .unmask = enable_landisk_irq,
- .mask_ack = disable_landisk_irq,
+ .irq_mask = disable_landisk_irq,
+ .irq_unmask = enable_landisk_irq,
};
/*
@@ -50,7 +49,7 @@
disable_irq_nosync(i);
set_irq_chip_and_handler_name(i, &landisk_irq_chip,
handle_level_irq, "level");
- enable_landisk_irq(i);
+ enable_landisk_irq(irq_get_irq_data(i));
}
__raw_writeb(0x00, PA_PWRINT_CLR);
}
diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
index a26d166..c35001f 100644
--- a/arch/sh/boards/mach-microdev/irq.c
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -65,19 +65,9 @@
# error Inconsistancy in defining the IRQ# for primary IDE!
#endif
-static void enable_microdev_irq(unsigned int irq);
-static void disable_microdev_irq(unsigned int irq);
-static void mask_and_ack_microdev(unsigned int);
-
-static struct irq_chip microdev_irq_type = {
- .name = "MicroDev-IRQ",
- .unmask = enable_microdev_irq,
- .mask = disable_microdev_irq,
- .ack = mask_and_ack_microdev,
-};
-
-static void disable_microdev_irq(unsigned int irq)
+static void disable_microdev_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned int fpgaIrq;
if (irq >= NUM_EXTERNAL_IRQS)
@@ -91,8 +81,9 @@
__raw_writel(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
}
-static void enable_microdev_irq(unsigned int irq)
+static void enable_microdev_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned long priorityReg, priorities, pri;
unsigned int fpgaIrq;
@@ -116,17 +107,18 @@
__raw_writel(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
}
+static struct irq_chip microdev_irq_type = {
+ .name = "MicroDev-IRQ",
+ .irq_unmask = enable_microdev_irq,
+ .irq_mask = disable_microdev_irq,
+};
+
/* This function sets the desired irq handler to be a MicroDev type */
static void __init make_microdev_irq(unsigned int irq)
{
disable_irq_nosync(irq);
set_irq_chip_and_handler(irq, µdev_irq_type, handle_level_irq);
- disable_microdev_irq(irq);
-}
-
-static void mask_and_ack_microdev(unsigned int irq)
-{
- disable_microdev_irq(irq);
+ disable_microdev_irq(irq_get_irq_data(irq));
}
extern void __init init_microdev_irq(void)
diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c
index 8d82175..883b21e 100644
--- a/arch/sh/boards/mach-se/7206/irq.c
+++ b/arch/sh/boards/mach-se/7206/irq.c
@@ -25,8 +25,9 @@
#define INTC_IPR01 0xfffe0818
#define INTC_ICR1 0xfffe0802
-static void disable_se7206_irq(unsigned int irq)
+static void disable_se7206_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned short val;
unsigned short mask = 0xffff ^ (0x0f << 4 * (3 - (IRQ0_IRQ - irq)));
unsigned short msk0,msk1;
@@ -55,8 +56,9 @@
__raw_writew(msk1, INTMSK1);
}
-static void enable_se7206_irq(unsigned int irq)
+static void enable_se7206_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned short val;
unsigned short value = (0x0001 << 4 * (3 - (IRQ0_IRQ - irq)));
unsigned short msk0,msk1;
@@ -86,13 +88,14 @@
__raw_writew(msk1, INTMSK1);
}
-static void eoi_se7206_irq(unsigned int irq)
+static void eoi_se7206_irq(struct irq_data *data)
{
unsigned short sts0,sts1;
+ unsigned int irq = data->irq;
struct irq_desc *desc = irq_to_desc(irq);
if (!(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_se7206_irq(irq);
+ enable_se7206_irq(data);
/* FPGA isr clear */
sts0 = __raw_readw(INTSTS0);
sts1 = __raw_readw(INTSTS1);
@@ -115,10 +118,9 @@
static struct irq_chip se7206_irq_chip __read_mostly = {
.name = "SE7206-FPGA",
- .mask = disable_se7206_irq,
- .unmask = enable_se7206_irq,
- .mask_ack = disable_se7206_irq,
- .eoi = eoi_se7206_irq,
+ .irq_mask = disable_se7206_irq,
+ .irq_unmask = enable_se7206_irq,
+ .irq_eoi = eoi_se7206_irq,
};
static void make_se7206_irq(unsigned int irq)
@@ -126,7 +128,7 @@
disable_irq_nosync(irq);
set_irq_chip_and_handler_name(irq, &se7206_irq_chip,
handle_level_irq, "level");
- disable_se7206_irq(irq);
+ disable_se7206_irq(irq_get_irq_data(irq));
}
/*
diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c
index d4305c2..76255a1 100644
--- a/arch/sh/boards/mach-se/7343/irq.c
+++ b/arch/sh/boards/mach-se/7343/irq.c
@@ -18,23 +18,22 @@
unsigned int se7343_fpga_irq[SE7343_FPGA_IRQ_NR] = { 0, };
-static void disable_se7343_irq(unsigned int irq)
+static void disable_se7343_irq(struct irq_data *data)
{
- unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+ unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
__raw_writew(__raw_readw(PA_CPLD_IMSK) | 1 << bit, PA_CPLD_IMSK);
}
-static void enable_se7343_irq(unsigned int irq)
+static void enable_se7343_irq(struct irq_data *data)
{
- unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+ unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
__raw_writew(__raw_readw(PA_CPLD_IMSK) & ~(1 << bit), PA_CPLD_IMSK);
}
static struct irq_chip se7343_irq_chip __read_mostly = {
- .name = "SE7343-FPGA",
- .mask = disable_se7343_irq,
- .unmask = enable_se7343_irq,
- .mask_ack = disable_se7343_irq,
+ .name = "SE7343-FPGA",
+ .irq_mask = disable_se7343_irq,
+ .irq_unmask = enable_se7343_irq,
};
static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c
index 61605db..c013f95 100644
--- a/arch/sh/boards/mach-se/7722/irq.c
+++ b/arch/sh/boards/mach-se/7722/irq.c
@@ -18,23 +18,22 @@
unsigned int se7722_fpga_irq[SE7722_FPGA_IRQ_NR] = { 0, };
-static void disable_se7722_irq(unsigned int irq)
+static void disable_se7722_irq(struct irq_data *data)
{
- unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+ unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
__raw_writew(__raw_readw(IRQ01_MASK) | 1 << bit, IRQ01_MASK);
}
-static void enable_se7722_irq(unsigned int irq)
+static void enable_se7722_irq(struct irq_data *data)
{
- unsigned int bit = (unsigned int)get_irq_chip_data(irq);
+ unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
__raw_writew(__raw_readw(IRQ01_MASK) & ~(1 << bit), IRQ01_MASK);
}
static struct irq_chip se7722_irq_chip __read_mostly = {
- .name = "SE7722-FPGA",
- .mask = disable_se7722_irq,
- .unmask = enable_se7722_irq,
- .mask_ack = disable_se7722_irq,
+ .name = "SE7722-FPGA",
+ .irq_mask = disable_se7722_irq,
+ .irq_unmask = enable_se7722_irq,
};
static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/boards/mach-se/7724/irq.c b/arch/sh/boards/mach-se/7724/irq.c
index 0942be2..5bd87c2 100644
--- a/arch/sh/boards/mach-se/7724/irq.c
+++ b/arch/sh/boards/mach-se/7724/irq.c
@@ -68,25 +68,26 @@
return set;
}
-static void disable_se7724_irq(unsigned int irq)
+static void disable_se7724_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
struct fpga_irq set = get_fpga_irq(fpga2irq(irq));
unsigned int bit = irq - set.base;
__raw_writew(__raw_readw(set.mraddr) | 0x0001 << bit, set.mraddr);
}
-static void enable_se7724_irq(unsigned int irq)
+static void enable_se7724_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
struct fpga_irq set = get_fpga_irq(fpga2irq(irq));
unsigned int bit = irq - set.base;
__raw_writew(__raw_readw(set.mraddr) & ~(0x0001 << bit), set.mraddr);
}
static struct irq_chip se7724_irq_chip __read_mostly = {
- .name = "SE7724-FPGA",
- .mask = disable_se7724_irq,
- .unmask = enable_se7724_irq,
- .mask_ack = disable_se7724_irq,
+ .name = "SE7724-FPGA",
+ .irq_mask = disable_se7724_irq,
+ .irq_unmask = enable_se7724_irq,
};
static void se7724_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c
index 523aea5..e5ee13a 100644
--- a/arch/sh/boards/mach-systemh/irq.c
+++ b/arch/sh/boards/mach-systemh/irq.c
@@ -23,54 +23,39 @@
static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
-/* forward declaration */
-static void enable_systemh_irq(unsigned int irq);
-static void disable_systemh_irq(unsigned int irq);
-static void mask_and_ack_systemh(unsigned int);
+static void disable_systemh_irq(struct irq_data *data)
+{
+ unsigned long val, mask = 0x01 << 1;
+
+ /* Clear the "irq"th bit in the mask and set it in the request */
+ val = __raw_readl((unsigned long)systemh_irq_mask_register);
+ val &= ~mask;
+ __raw_writel(val, (unsigned long)systemh_irq_mask_register);
+
+ val = __raw_readl((unsigned long)systemh_irq_request_register);
+ val |= mask;
+ __raw_writel(val, (unsigned long)systemh_irq_request_register);
+}
+
+static void enable_systemh_irq(struct irq_data *data)
+{
+ unsigned long val, mask = 0x01 << 1;
+
+ /* Set "irq"th bit in the mask register */
+ val = __raw_readl((unsigned long)systemh_irq_mask_register);
+ val |= mask;
+ __raw_writel(val, (unsigned long)systemh_irq_mask_register);
+}
static struct irq_chip systemh_irq_type = {
- .name = " SystemH Register",
- .unmask = enable_systemh_irq,
- .mask = disable_systemh_irq,
- .ack = mask_and_ack_systemh,
+ .name = "SystemH Register",
+ .irq_unmask = enable_systemh_irq,
+ .irq_mask = disable_systemh_irq,
};
-static void disable_systemh_irq(unsigned int irq)
-{
- if (systemh_irq_mask_register) {
- unsigned long val, mask = 0x01 << 1;
-
- /* Clear the "irq"th bit in the mask and set it in the request */
- val = __raw_readl((unsigned long)systemh_irq_mask_register);
- val &= ~mask;
- __raw_writel(val, (unsigned long)systemh_irq_mask_register);
-
- val = __raw_readl((unsigned long)systemh_irq_request_register);
- val |= mask;
- __raw_writel(val, (unsigned long)systemh_irq_request_register);
- }
-}
-
-static void enable_systemh_irq(unsigned int irq)
-{
- if (systemh_irq_mask_register) {
- unsigned long val, mask = 0x01 << 1;
-
- /* Set "irq"th bit in the mask register */
- val = __raw_readl((unsigned long)systemh_irq_mask_register);
- val |= mask;
- __raw_writel(val, (unsigned long)systemh_irq_mask_register);
- }
-}
-
-static void mask_and_ack_systemh(unsigned int irq)
-{
- disable_systemh_irq(irq);
-}
-
void make_systemh_irq(unsigned int irq)
{
disable_irq_nosync(irq);
set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
- disable_systemh_irq(irq);
+ disable_systemh_irq(irq_get_irq_data(irq));
}
diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c
index 594adf7..239e740 100644
--- a/arch/sh/boards/mach-x3proto/gpio.c
+++ b/arch/sh/boards/mach-x3proto/gpio.c
@@ -54,18 +54,19 @@
static void x3proto_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
{
- struct irq_chip *chip = get_irq_desc_chip(desc);
+ struct irq_data *data = irq_get_irq_data(irq);
+ struct irq_chip *chip = irq_data_get_irq_chip(data);
unsigned long mask;
int pin;
- chip->mask_ack(irq);
+ chip->irq_mask_ack(data);
mask = __raw_readw(KEYDETR);
for_each_set_bit(pin, &mask, NR_BASEBOARD_GPIOS)
generic_handle_irq(x3proto_gpio_to_irq(NULL, pin));
- chip->unmask(irq);
+ chip->irq_unmask(data);
}
struct gpio_chip x3proto_gpio_chip = {
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index bcb31ae8..177a10b 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -17,8 +17,9 @@
/* This belongs in cpu specific */
#define INTC_ICR1 0xA4140010UL
-static void hd64461_mask_irq(unsigned int irq)
+static void hd64461_mask_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned short nimr;
unsigned short mask = 1 << (irq - HD64461_IRQBASE);
@@ -27,8 +28,9 @@
__raw_writew(nimr, HD64461_NIMR);
}
-static void hd64461_unmask_irq(unsigned int irq)
+static void hd64461_unmask_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned short nimr;
unsigned short mask = 1 << (irq - HD64461_IRQBASE);
@@ -37,20 +39,21 @@
__raw_writew(nimr, HD64461_NIMR);
}
-static void hd64461_mask_and_ack_irq(unsigned int irq)
+static void hd64461_mask_and_ack_irq(struct irq_data *data)
{
- hd64461_mask_irq(irq);
+ hd64461_mask_irq(data);
+
#ifdef CONFIG_HD64461_ENABLER
- if (irq == HD64461_IRQBASE + 13)
+ if (data->irq == HD64461_IRQBASE + 13)
__raw_writeb(0x00, HD64461_PCC1CSCR);
#endif
}
static struct irq_chip hd64461_irq_chip = {
.name = "HD64461-IRQ",
- .mask = hd64461_mask_irq,
- .mask_ack = hd64461_mask_and_ack_irq,
- .unmask = hd64461_unmask_irq,
+ .irq_mask = hd64461_mask_irq,
+ .irq_mask_ack = hd64461_mask_and_ack_irq,
+ .irq_unmask = hd64461_unmask_irq,
};
static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc)
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 02f7745..a15f105 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -169,6 +169,8 @@
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
+#define __HAVE_ARCH_PTE_SPECIAL
+
#include <asm-generic/pgtable.h>
#endif /* __ASM_SH_PGTABLE_H */
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 69fdfbf..43528ec 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -378,8 +378,6 @@
PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
PTE_BIT_FUNC(low, mkspecial, |= _PAGE_SPECIAL);
-#define __HAVE_ARCH_PTE_SPECIAL
-
/*
* Macro and implementation to make a page protection as uncachable.
*/
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
index 10a4811..42cb9dd 100644
--- a/arch/sh/include/asm/pgtable_64.h
+++ b/arch/sh/include/asm/pgtable_64.h
@@ -130,6 +130,7 @@
* anything above the PPN field.
*/
#define _PAGE_WIRED _PAGE_EXT(0x001) /* software: wire the tlb entry */
+#define _PAGE_SPECIAL _PAGE_EXT(0x002)
#define _PAGE_CLEAR_FLAGS (_PAGE_PRESENT | _PAGE_FILE | _PAGE_SHARED | \
_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_WIRED)
@@ -173,7 +174,8 @@
/* Default flags for a User page */
#define _PAGE_TABLE (_KERNPG_TABLE | _PAGE_USER)
-#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
+ _PAGE_SPECIAL)
/*
* We have full permissions (Read/Write/Execute/Shared).
@@ -263,7 +265,7 @@
static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; }
-static inline int pte_special(pte_t pte){ return 0; }
+static inline int pte_special(pte_t pte){ return pte_val(pte) & _PAGE_SPECIAL; }
static inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
static inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -272,8 +274,7 @@
static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
-static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
-
+static inline pte_t pte_mkspecial(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SPECIAL)); return pte; }
/*
* Conversion functions: convert a page and protection to a page entry.
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 0a58cb2..c9e7cbc 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -89,6 +89,7 @@
struct task_struct *idle;
#endif
+ unsigned int phys_bits;
unsigned long flags;
} __attribute__ ((aligned(L1_CACHE_BYTES)));
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 9766106..fac742e 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -340,6 +340,8 @@
*/
current_cpu_data.asid_cache = NO_CONTEXT;
+ current_cpu_data.phys_bits = __in_29bit_mode() ? 29 : 32;
+
speculative_execution_init();
expmask_init();
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index a351ed8..32c825c 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -51,16 +51,20 @@
: "t");
}
-static void mask_imask_irq(unsigned int irq)
+static void mask_imask_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
+
clear_bit(irq, imask_mask);
if (interrupt_priority < IMASK_PRIORITY - irq)
interrupt_priority = IMASK_PRIORITY - irq;
set_interrupt_registers(interrupt_priority);
}
-static void unmask_imask_irq(unsigned int irq)
+static void unmask_imask_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
+
set_bit(irq, imask_mask);
interrupt_priority = IMASK_PRIORITY -
find_first_zero_bit(imask_mask, IMASK_PRIORITY);
@@ -69,9 +73,9 @@
static struct irq_chip imask_irq_chip = {
.name = "SR.IMASK",
- .mask = mask_imask_irq,
- .unmask = unmask_imask_irq,
- .mask_ack = mask_imask_irq,
+ .irq_mask = mask_imask_irq,
+ .irq_unmask = unmask_imask_irq,
+ .irq_mask_ack = mask_imask_irq,
};
void make_imask_irq(unsigned int irq)
diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c
index 96a2395..5af48f8 100644
--- a/arch/sh/kernel/cpu/irq/intc-sh5.c
+++ b/arch/sh/kernel/cpu/irq/intc-sh5.c
@@ -76,39 +76,11 @@
};
static unsigned long intc_virt;
-
-static unsigned int startup_intc_irq(unsigned int irq);
-static void shutdown_intc_irq(unsigned int irq);
-static void enable_intc_irq(unsigned int irq);
-static void disable_intc_irq(unsigned int irq);
-static void mask_and_ack_intc(unsigned int);
-static void end_intc_irq(unsigned int irq);
-
-static struct irq_chip intc_irq_type = {
- .name = "INTC",
- .startup = startup_intc_irq,
- .shutdown = shutdown_intc_irq,
- .enable = enable_intc_irq,
- .disable = disable_intc_irq,
- .ack = mask_and_ack_intc,
- .end = end_intc_irq
-};
-
static int irlm; /* IRL mode */
-static unsigned int startup_intc_irq(unsigned int irq)
+static void enable_intc_irq(struct irq_data *data)
{
- enable_intc_irq(irq);
- return 0; /* never anything pending */
-}
-
-static void shutdown_intc_irq(unsigned int irq)
-{
- disable_intc_irq(irq);
-}
-
-static void enable_intc_irq(unsigned int irq)
-{
+ unsigned int irq = data->irq;
unsigned long reg;
unsigned long bitmask;
@@ -126,8 +98,9 @@
__raw_writel(bitmask, reg);
}
-static void disable_intc_irq(unsigned int irq)
+static void disable_intc_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned long reg;
unsigned long bitmask;
@@ -142,15 +115,11 @@
__raw_writel(bitmask, reg);
}
-static void mask_and_ack_intc(unsigned int irq)
-{
- disable_intc_irq(irq);
-}
-
-static void end_intc_irq(unsigned int irq)
-{
- enable_intc_irq(irq);
-}
+static struct irq_chip intc_irq_type = {
+ .name = "INTC",
+ .irq_enable = enable_intc_irq,
+ .irq_disable = disable_intc_irq,
+};
void __init plat_irq_setup(void)
{
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 9282d96..7516c35 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -24,25 +24,25 @@
#include <linux/module.h>
#include <linux/topology.h>
-static inline struct ipr_desc *get_ipr_desc(unsigned int irq)
+static inline struct ipr_desc *get_ipr_desc(struct irq_data *data)
{
- struct irq_chip *chip = get_irq_chip(irq);
+ struct irq_chip *chip = irq_data_get_irq_chip(data);
return container_of(chip, struct ipr_desc, chip);
}
-static void disable_ipr_irq(unsigned int irq)
+static void disable_ipr_irq(struct irq_data *data)
{
- struct ipr_data *p = get_irq_chip_data(irq);
- unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
+ struct ipr_data *p = irq_data_get_irq_chip_data(data);
+ unsigned long addr = get_ipr_desc(data)->ipr_offsets[p->ipr_idx];
/* Set the priority in IPR to 0 */
__raw_writew(__raw_readw(addr) & (0xffff ^ (0xf << p->shift)), addr);
(void)__raw_readw(addr); /* Read back to flush write posting */
}
-static void enable_ipr_irq(unsigned int irq)
+static void enable_ipr_irq(struct irq_data *data)
{
- struct ipr_data *p = get_irq_chip_data(irq);
- unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
+ struct ipr_data *p = irq_data_get_irq_chip_data(data);
+ unsigned long addr = get_ipr_desc(data)->ipr_offsets[p->ipr_idx];
/* Set priority in IPR back to original value */
__raw_writew(__raw_readw(addr) | (p->priority << p->shift), addr);
}
@@ -56,19 +56,18 @@
{
int i;
- desc->chip.mask = disable_ipr_irq;
- desc->chip.unmask = enable_ipr_irq;
- desc->chip.mask_ack = disable_ipr_irq;
+ desc->chip.irq_mask = disable_ipr_irq;
+ desc->chip.irq_unmask = enable_ipr_irq;
for (i = 0; i < desc->nr_irqs; i++) {
struct ipr_data *p = desc->ipr_data + i;
- struct irq_desc *irq_desc;
+ int res;
BUG_ON(p->ipr_idx >= desc->nr_offsets);
BUG_ON(!desc->ipr_offsets[p->ipr_idx]);
- irq_desc = irq_to_desc_alloc_node(p->irq, numa_node_id());
- if (unlikely(!irq_desc)) {
+ res = irq_alloc_desc_at(p->irq, numa_node_id());
+ if (unlikely(res != p->irq && res != -EEXIST)) {
printk(KERN_INFO "can not get irq_desc for %d\n",
p->irq);
continue;
@@ -78,7 +77,7 @@
set_irq_chip_and_handler_name(p->irq, &desc->chip,
handle_level_irq, "level");
set_irq_chip_data(p->irq, p);
- disable_ipr_irq(p->irq);
+ disable_ipr_irq(irq_get_irq_data(p->irq));
}
}
EXPORT_SYMBOL(register_ipr_controller);
diff --git a/arch/sh/kernel/cpu/sh4/perf_event.c b/arch/sh/kernel/cpu/sh4/perf_event.c
index 7f9ecc9..dbf3b4b 100644
--- a/arch/sh/kernel/cpu/sh4/perf_event.c
+++ b/arch/sh/kernel/cpu/sh4/perf_event.c
@@ -225,7 +225,7 @@
}
static struct sh_pmu sh7750_pmu = {
- .name = "SH7750",
+ .name = "sh7750",
.num_events = 2,
.event_map = sh7750_event_map,
.max_events = ARRAY_SIZE(sh7750_general_events),
diff --git a/arch/sh/kernel/cpu/sh4a/perf_event.c b/arch/sh/kernel/cpu/sh4a/perf_event.c
index b8b873d..5802765 100644
--- a/arch/sh/kernel/cpu/sh4a/perf_event.c
+++ b/arch/sh/kernel/cpu/sh4a/perf_event.c
@@ -259,7 +259,7 @@
}
static struct sh_pmu sh4a_pmu = {
- .name = "SH-4A",
+ .name = "sh4a",
.num_events = 2,
.event_map = sh4a_event_map,
.max_events = ARRAY_SIZE(sh4a_general_events),
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 9dc447d..68ecbe6 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -56,6 +56,8 @@
int i = *(loff_t *)v, j, prec;
struct irqaction *action;
struct irq_desc *desc;
+ struct irq_data *data;
+ struct irq_chip *chip;
if (i > nr_irqs)
return 0;
@@ -77,6 +79,9 @@
if (!desc)
return 0;
+ data = irq_get_irq_data(i);
+ chip = irq_data_get_irq_chip(data);
+
raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
@@ -87,7 +92,7 @@
seq_printf(p, "%*d: ", prec, i);
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
- seq_printf(p, " %14s", desc->chip->name);
+ seq_printf(p, " %14s", chip->name);
seq_printf(p, "-%-8s", desc->name);
if (action) {
@@ -273,12 +278,6 @@
{
plat_irq_setup();
- /*
- * Pin any of the legacy IRQ vectors that haven't already been
- * grabbed by the platform
- */
- reserve_irq_legacy();
-
/* Perform the machine specific initialisation */
if (sh_mv.mv_init_irq)
sh_mv.mv_init_irq();
@@ -297,13 +296,16 @@
#endif
#ifdef CONFIG_HOTPLUG_CPU
-static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
+static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu)
{
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_chip *chip = irq_data_get_irq_chip(data);
+
printk(KERN_INFO "IRQ%u: moving from cpu%u to cpu%u\n",
- irq, desc->node, cpu);
+ irq, data->node, cpu);
raw_spin_lock_irq(&desc->lock);
- desc->chip->set_affinity(irq, cpumask_of(cpu));
+ chip->irq_set_affinity(data, cpumask_of(cpu), false);
raw_spin_unlock_irq(&desc->lock);
}
@@ -314,24 +316,25 @@
*/
void migrate_irqs(void)
{
- struct irq_desc *desc;
unsigned int irq, cpu = smp_processor_id();
- for_each_irq_desc(irq, desc) {
- if (desc->node == cpu) {
- unsigned int newcpu = cpumask_any_and(desc->affinity,
+ for_each_active_irq(irq) {
+ struct irq_data *data = irq_get_irq_data(irq);
+
+ if (data->node == cpu) {
+ unsigned int newcpu = cpumask_any_and(data->affinity,
cpu_online_mask);
if (newcpu >= nr_cpu_ids) {
if (printk_ratelimit())
printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
irq, cpu);
- cpumask_setall(desc->affinity);
- newcpu = cpumask_any_and(desc->affinity,
+ cpumask_setall(data->affinity);
+ newcpu = cpumask_any_and(data->affinity,
cpu_online_mask);
}
- route_irq(desc, irq, newcpu);
+ route_irq(data, irq, newcpu);
}
}
}
diff --git a/arch/sh/kernel/irq_64.c b/arch/sh/kernel/irq_64.c
index 32365ba..8fc05b9 100644
--- a/arch/sh/kernel/irq_64.c
+++ b/arch/sh/kernel/irq_64.c
@@ -11,17 +11,17 @@
#include <linux/module.h>
#include <cpu/registers.h>
-void notrace raw_local_irq_restore(unsigned long flags)
+void notrace arch_local_irq_restore(unsigned long flags)
{
unsigned long long __dummy;
- if (flags == RAW_IRQ_DISABLED) {
+ if (flags == ARCH_IRQ_DISABLED) {
__asm__ __volatile__ (
"getcon " __SR ", %0\n\t"
"or %0, %1, %0\n\t"
"putcon %0, " __SR "\n\t"
: "=&r" (__dummy)
- : "r" (RAW_IRQ_DISABLED)
+ : "r" (ARCH_IRQ_DISABLED)
);
} else {
__asm__ __volatile__ (
@@ -29,13 +29,13 @@
"and %0, %1, %0\n\t"
"putcon %0, " __SR "\n\t"
: "=&r" (__dummy)
- : "r" (~RAW_IRQ_DISABLED)
+ : "r" (~ARCH_IRQ_DISABLED)
);
}
}
-EXPORT_SYMBOL(raw_local_irq_restore);
+EXPORT_SYMBOL(arch_local_irq_restore);
-unsigned long notrace __raw_local_save_flags(void)
+unsigned long notrace arch_local_save_flags(void)
{
unsigned long flags;
@@ -43,9 +43,9 @@
"getcon " __SR ", %0\n\t"
"and %0, %1, %0"
: "=&r" (flags)
- : "r" (RAW_IRQ_DISABLED)
+ : "r" (ARCH_IRQ_DISABLED)
);
return flags;
}
-EXPORT_SYMBOL(__raw_local_save_flags);
+EXPORT_SYMBOL(arch_local_save_flags);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 4e27846..d6b018c 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -41,6 +41,7 @@
#include <asm/smp.h>
#include <asm/mmu_context.h>
#include <asm/mmzone.h>
+#include <asm/sparsemem.h>
/*
* Initialize loops_per_jiffy as 10000000 (1000MIPS).
@@ -52,6 +53,7 @@
.type = CPU_SH_NONE,
.family = CPU_FAMILY_UNKNOWN,
.loops_per_jiffy = 10000000,
+ .phys_bits = MAX_PHYSMEM_BITS,
},
};
EXPORT_SYMBOL(cpu_data);
@@ -432,6 +434,8 @@
if (c->flags & CPU_HAS_L2_CACHE)
show_cacheinfo(m, "scache", c->scache);
+ seq_printf(m, "address sizes\t: %u bits physical\n", c->phys_bits);
+
seq_printf(m, "bogomips\t: %lu.%02lu\n",
c->loops_per_jiffy/(500000/HZ),
(c->loops_per_jiffy/(5000/HZ)) % 100);
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index ab89ea4..150aa32 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -15,7 +15,7 @@
obj-y += $(cacheops-y)
mmu-y := nommu.o extable_32.o
-mmu-$(CONFIG_MMU) := extable_$(BITS).o fault_$(BITS).o \
+mmu-$(CONFIG_MMU) := extable_$(BITS).o fault_$(BITS).o gup.o \
ioremap.o kmap.o pgtable.o tlbflush_$(BITS).o
obj-y += $(mmu-y)
diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c
new file mode 100644
index 0000000..bf8daf9
--- /dev/null
+++ b/arch/sh/mm/gup.c
@@ -0,0 +1,273 @@
+/*
+ * Lockless get_user_pages_fast for SuperH
+ *
+ * Copyright (C) 2009 - 2010 Paul Mundt
+ *
+ * Cloned from the x86 and PowerPC versions, by:
+ *
+ * Copyright (C) 2008 Nick Piggin
+ * Copyright (C) 2008 Novell Inc.
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/vmstat.h>
+#include <linux/highmem.h>
+#include <asm/pgtable.h>
+
+static inline pte_t gup_get_pte(pte_t *ptep)
+{
+#ifndef CONFIG_X2TLB
+ return ACCESS_ONCE(*ptep);
+#else
+ /*
+ * With get_user_pages_fast, we walk down the pagetables without
+ * taking any locks. For this we would like to load the pointers
+ * atomically, but that is not possible with 64-bit PTEs. What
+ * we do have is the guarantee that a pte will only either go
+ * from not present to present, or present to not present or both
+ * -- it will not switch to a completely different present page
+ * without a TLB flush in between; something that we are blocking
+ * by holding interrupts off.
+ *
+ * Setting ptes from not present to present goes:
+ * ptep->pte_high = h;
+ * smp_wmb();
+ * ptep->pte_low = l;
+ *
+ * And present to not present goes:
+ * ptep->pte_low = 0;
+ * smp_wmb();
+ * ptep->pte_high = 0;
+ *
+ * We must ensure here that the load of pte_low sees l iff pte_high
+ * sees h. We load pte_high *after* loading pte_low, which ensures we
+ * don't see an older value of pte_high. *Then* we recheck pte_low,
+ * which ensures that we haven't picked up a changed pte high. We might
+ * have got rubbish values from pte_low and pte_high, but we are
+ * guaranteed that pte_low will not have the present bit set *unless*
+ * it is 'l'. And get_user_pages_fast only operates on present ptes, so
+ * we're safe.
+ *
+ * gup_get_pte should not be used or copied outside gup.c without being
+ * very careful -- it does not atomically load the pte or anything that
+ * is likely to be useful for you.
+ */
+ pte_t pte;
+
+retry:
+ pte.pte_low = ptep->pte_low;
+ smp_rmb();
+ pte.pte_high = ptep->pte_high;
+ smp_rmb();
+ if (unlikely(pte.pte_low != ptep->pte_low))
+ goto retry;
+
+ return pte;
+#endif
+}
+
+/*
+ * The performance critical leaf functions are made noinline otherwise gcc
+ * inlines everything into a single function which results in too much
+ * register pressure.
+ */
+static noinline int gup_pte_range(pmd_t pmd, unsigned long addr,
+ unsigned long end, int write, struct page **pages, int *nr)
+{
+ u64 mask, result;
+ pte_t *ptep;
+
+#ifdef CONFIG_X2TLB
+ result = _PAGE_PRESENT | _PAGE_EXT(_PAGE_EXT_KERN_READ | _PAGE_EXT_USER_READ);
+ if (write)
+ result |= _PAGE_EXT(_PAGE_EXT_KERN_WRITE | _PAGE_EXT_USER_WRITE);
+#elif defined(CONFIG_SUPERH64)
+ result = _PAGE_PRESENT | _PAGE_USER | _PAGE_READ;
+ if (write)
+ result |= _PAGE_WRITE;
+#else
+ result = _PAGE_PRESENT | _PAGE_USER;
+ if (write)
+ result |= _PAGE_RW;
+#endif
+
+ mask = result | _PAGE_SPECIAL;
+
+ ptep = pte_offset_map(&pmd, addr);
+ do {
+ pte_t pte = gup_get_pte(ptep);
+ struct page *page;
+
+ if ((pte_val(pte) & mask) != result) {
+ pte_unmap(ptep);
+ return 0;
+ }
+ VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
+ page = pte_page(pte);
+ get_page(page);
+ pages[*nr] = page;
+ (*nr)++;
+
+ } while (ptep++, addr += PAGE_SIZE, addr != end);
+ pte_unmap(ptep - 1);
+
+ return 1;
+}
+
+static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
+ int write, struct page **pages, int *nr)
+{
+ unsigned long next;
+ pmd_t *pmdp;
+
+ pmdp = pmd_offset(&pud, addr);
+ do {
+ pmd_t pmd = *pmdp;
+
+ next = pmd_addr_end(addr, end);
+ if (pmd_none(pmd))
+ return 0;
+ if (!gup_pte_range(pmd, addr, next, write, pages, nr))
+ return 0;
+ } while (pmdp++, addr = next, addr != end);
+
+ return 1;
+}
+
+static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end,
+ int write, struct page **pages, int *nr)
+{
+ unsigned long next;
+ pud_t *pudp;
+
+ pudp = pud_offset(&pgd, addr);
+ do {
+ pud_t pud = *pudp;
+
+ next = pud_addr_end(addr, end);
+ if (pud_none(pud))
+ return 0;
+ if (!gup_pmd_range(pud, addr, next, write, pages, nr))
+ return 0;
+ } while (pudp++, addr = next, addr != end);
+
+ return 1;
+}
+
+/*
+ * Like get_user_pages_fast() except its IRQ-safe in that it won't fall
+ * back to the regular GUP.
+ */
+int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
+ struct page **pages)
+{
+ struct mm_struct *mm = current->mm;
+ unsigned long addr, len, end;
+ unsigned long next;
+ unsigned long flags;
+ pgd_t *pgdp;
+ int nr = 0;
+
+ start &= PAGE_MASK;
+ addr = start;
+ len = (unsigned long) nr_pages << PAGE_SHIFT;
+ end = start + len;
+ if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
+ (void __user *)start, len)))
+ return 0;
+
+ /*
+ * This doesn't prevent pagetable teardown, but does prevent
+ * the pagetables and pages from being freed.
+ */
+ local_irq_save(flags);
+ pgdp = pgd_offset(mm, addr);
+ do {
+ pgd_t pgd = *pgdp;
+
+ next = pgd_addr_end(addr, end);
+ if (pgd_none(pgd))
+ break;
+ if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
+ break;
+ } while (pgdp++, addr = next, addr != end);
+ local_irq_restore(flags);
+
+ return nr;
+}
+
+/**
+ * get_user_pages_fast() - pin user pages in memory
+ * @start: starting user address
+ * @nr_pages: number of pages from start to pin
+ * @write: whether pages will be written to
+ * @pages: array that receives pointers to the pages pinned.
+ * Should be at least nr_pages long.
+ *
+ * Attempt to pin user pages in memory without taking mm->mmap_sem.
+ * If not successful, it will fall back to taking the lock and
+ * calling get_user_pages().
+ *
+ * Returns number of pages pinned. This may be fewer than the number
+ * requested. If nr_pages is 0 or negative, returns 0. If no pages
+ * were pinned, returns -errno.
+ */
+int get_user_pages_fast(unsigned long start, int nr_pages, int write,
+ struct page **pages)
+{
+ struct mm_struct *mm = current->mm;
+ unsigned long addr, len, end;
+ unsigned long next;
+ pgd_t *pgdp;
+ int nr = 0;
+
+ start &= PAGE_MASK;
+ addr = start;
+ len = (unsigned long) nr_pages << PAGE_SHIFT;
+
+ end = start + len;
+ if (end < start)
+ goto slow_irqon;
+
+ local_irq_disable();
+ pgdp = pgd_offset(mm, addr);
+ do {
+ pgd_t pgd = *pgdp;
+
+ next = pgd_addr_end(addr, end);
+ if (pgd_none(pgd))
+ goto slow;
+ if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
+ goto slow;
+ } while (pgdp++, addr = next, addr != end);
+ local_irq_enable();
+
+ VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT);
+ return nr;
+
+ {
+ int ret;
+
+slow:
+ local_irq_enable();
+slow_irqon:
+ /* Try to get the remaining pages with get_user_pages */
+ start += nr << PAGE_SHIFT;
+ pages += nr;
+
+ down_read(&mm->mmap_sem);
+ ret = get_user_pages(current, mm, start,
+ (end - start) >> PAGE_SHIFT, write, 0, pages, NULL);
+ up_read(&mm->mmap_sem);
+
+ /* Have to be a bit careful with return values */
+ if (nr > 0) {
+ if (ret < 0)
+ ret = nr;
+ else
+ ret += nr;
+ }
+
+ return ret;
+ }
+}
diff --git a/arch/sh/oprofile/Makefile b/arch/sh/oprofile/Makefile
index e85aae7..ce3b119 100644
--- a/arch/sh/oprofile/Makefile
+++ b/arch/sh/oprofile/Makefile
@@ -1,5 +1,7 @@
obj-$(CONFIG_OPROFILE) += oprofile.o
+CFLAGS_common.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
+
DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
oprof.o cpu_buffer.o buffer_sync.o \
event_buffer.o oprofile_files.o \
diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 2bc74de..37f3a75 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -91,7 +91,7 @@
if (depth > backtrace_limit)
depth = backtrace_limit;
- stackaddr = (unsigned long *)regs->regs[15];
+ stackaddr = (unsigned long *)kernel_stack_pointer(regs);
if (!user_mode(regs)) {
if (depth)
unwind_stack(NULL, regs, stackaddr,
diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c
index e10d893..b4c2d2b 100644
--- a/arch/sh/oprofile/common.c
+++ b/arch/sh/oprofile/common.c
@@ -1,7 +1,7 @@
/*
* arch/sh/oprofile/init.c
*
- * Copyright (C) 2003 - 2008 Paul Mundt
+ * Copyright (C) 2003 - 2010 Paul Mundt
*
* Based on arch/mips/oprofile/common.c:
*
@@ -18,43 +18,46 @@
#include <linux/errno.h>
#include <linux/smp.h>
#include <linux/perf_event.h>
+#include <linux/slab.h>
#include <asm/processor.h>
-#ifdef CONFIG_HW_PERF_EVENTS
extern void sh_backtrace(struct pt_regs * const regs, unsigned int depth);
+#ifdef CONFIG_HW_PERF_EVENTS
+/*
+ * This will need to be reworked when multiple PMUs are supported.
+ */
+static char *sh_pmu_op_name;
+
char *op_name_from_perf_id(void)
{
- const char *pmu;
- char buf[20];
- int size;
-
- pmu = perf_pmu_name();
- if (!pmu)
- return NULL;
-
- size = snprintf(buf, sizeof(buf), "sh/%s", pmu);
- if (size > -1 && size < sizeof(buf))
- return buf;
-
- return NULL;
+ return sh_pmu_op_name;
}
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
ops->backtrace = sh_backtrace;
+ if (perf_num_counters() == 0)
+ return -ENODEV;
+
+ sh_pmu_op_name = kasprintf(GFP_KERNEL, "%s/%s",
+ UTS_MACHINE, perf_pmu_name());
+ if (unlikely(!sh_pmu_op_name))
+ return -ENOMEM;
+
return oprofile_perf_init(ops);
}
void __exit oprofile_arch_exit(void)
{
oprofile_perf_exit();
+ kfree(sh_pmu_op_name);
}
#else
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
- pr_info("oprofile: hardware counters not available\n");
+ ops->backtrace = sh_backtrace;
return -ENODEV;
}
void __exit oprofile_arch_exit(void) {}
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 3af6516..de65915 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -142,18 +142,18 @@
static bool gdrom_is_busy(void)
{
- return (ctrl_inb(GDROM_ALTSTATUS_REG) & 0x80) != 0;
+ return (__raw_readb(GDROM_ALTSTATUS_REG) & 0x80) != 0;
}
static bool gdrom_data_request(void)
{
- return (ctrl_inb(GDROM_ALTSTATUS_REG) & 0x88) == 8;
+ return (__raw_readb(GDROM_ALTSTATUS_REG) & 0x88) == 8;
}
static bool gdrom_wait_clrbusy(void)
{
unsigned long timeout = jiffies + GDROM_DEFAULT_TIMEOUT;
- while ((ctrl_inb(GDROM_ALTSTATUS_REG) & 0x80) &&
+ while ((__raw_readb(GDROM_ALTSTATUS_REG) & 0x80) &&
(time_before(jiffies, timeout)))
cpu_relax();
return time_before(jiffies, timeout + 1);
@@ -181,14 +181,14 @@
gdrom_getsense(NULL);
return;
}
- ctrl_outb(GDROM_COM_IDDEV, GDROM_STATUSCOMMAND_REG);
+ __raw_writeb(GDROM_COM_IDDEV, GDROM_STATUSCOMMAND_REG);
if (!gdrom_wait_busy_sleeps()) {
gdrom_getsense(NULL);
return;
}
/* now read in the data */
for (c = 0; c < 40; c++)
- data[c] = ctrl_inw(GDROM_DATA_REG);
+ data[c] = __raw_readw(GDROM_DATA_REG);
}
static void gdrom_spicommand(void *spi_string, int buflen)
@@ -197,21 +197,21 @@
unsigned long timeout;
/* ensure IRQ_WAIT is set */
- ctrl_outb(0x08, GDROM_ALTSTATUS_REG);
+ __raw_writeb(0x08, GDROM_ALTSTATUS_REG);
/* specify how many bytes we expect back */
- ctrl_outb(buflen & 0xFF, GDROM_BCL_REG);
- ctrl_outb((buflen >> 8) & 0xFF, GDROM_BCH_REG);
+ __raw_writeb(buflen & 0xFF, GDROM_BCL_REG);
+ __raw_writeb((buflen >> 8) & 0xFF, GDROM_BCH_REG);
/* other parameters */
- ctrl_outb(0, GDROM_INTSEC_REG);
- ctrl_outb(0, GDROM_SECNUM_REG);
- ctrl_outb(0, GDROM_ERROR_REG);
+ __raw_writeb(0, GDROM_INTSEC_REG);
+ __raw_writeb(0, GDROM_SECNUM_REG);
+ __raw_writeb(0, GDROM_ERROR_REG);
/* Wait until we can go */
if (!gdrom_wait_clrbusy()) {
gdrom_getsense(NULL);
return;
}
timeout = jiffies + GDROM_DEFAULT_TIMEOUT;
- ctrl_outb(GDROM_COM_PACKET, GDROM_STATUSCOMMAND_REG);
+ __raw_writeb(GDROM_COM_PACKET, GDROM_STATUSCOMMAND_REG);
while (!gdrom_data_request() && time_before(jiffies, timeout))
cpu_relax();
if (!time_before(jiffies, timeout + 1)) {
@@ -233,10 +233,10 @@
gdrom_hardreset(gd.cd_info);
if (!gdrom_wait_clrbusy())
return 0;
- ctrl_outb(GDROM_COM_EXECDIAG, GDROM_STATUSCOMMAND_REG);
+ __raw_writeb(GDROM_COM_EXECDIAG, GDROM_STATUSCOMMAND_REG);
if (!gdrom_wait_busy_sleeps())
return 0;
- return ctrl_inb(GDROM_ERROR_REG);
+ return __raw_readb(GDROM_ERROR_REG);
}
/*
@@ -385,7 +385,7 @@
static int gdrom_drivestatus(struct cdrom_device_info *cd_info, int ignore)
{
/* read the sense key */
- char sense = ctrl_inb(GDROM_ERROR_REG);
+ char sense = __raw_readb(GDROM_ERROR_REG);
sense &= 0xF0;
if (sense == 0)
return CDS_DISC_OK;
@@ -398,16 +398,16 @@
static int gdrom_mediachanged(struct cdrom_device_info *cd_info, int ignore)
{
/* check the sense key */
- return (ctrl_inb(GDROM_ERROR_REG) & 0xF0) == 0x60;
+ return (__raw_readb(GDROM_ERROR_REG) & 0xF0) == 0x60;
}
/* reset the G1 bus */
static int gdrom_hardreset(struct cdrom_device_info *cd_info)
{
int count;
- ctrl_outl(0x1fffff, GDROM_RESET_REG);
+ __raw_writel(0x1fffff, GDROM_RESET_REG);
for (count = 0xa0000000; count < 0xa0200000; count += 4)
- ctrl_inl(count);
+ __raw_readl(count);
return 0;
}
@@ -536,7 +536,7 @@
static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id)
{
- gd.status = ctrl_inb(GDROM_STATUSCOMMAND_REG);
+ gd.status = __raw_readb(GDROM_STATUSCOMMAND_REG);
if (gd.pending != 1)
return IRQ_HANDLED;
gd.pending = 0;
@@ -546,7 +546,7 @@
static irqreturn_t gdrom_dma_interrupt(int irq, void *dev_id)
{
- gd.status = ctrl_inb(GDROM_STATUSCOMMAND_REG);
+ gd.status = __raw_readb(GDROM_STATUSCOMMAND_REG);
if (gd.transfer != 1)
return IRQ_HANDLED;
gd.transfer = 0;
@@ -600,10 +600,10 @@
spin_unlock(&gdrom_lock);
block = blk_rq_pos(req)/GD_TO_BLK + GD_SESSION_OFFSET;
block_cnt = blk_rq_sectors(req)/GD_TO_BLK;
- ctrl_outl(virt_to_phys(req->buffer), GDROM_DMA_STARTADDR_REG);
- ctrl_outl(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);
- ctrl_outl(1, GDROM_DMA_DIRECTION_REG);
- ctrl_outl(1, GDROM_DMA_ENABLE_REG);
+ __raw_writel(virt_to_phys(req->buffer), GDROM_DMA_STARTADDR_REG);
+ __raw_writel(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);
+ __raw_writel(1, GDROM_DMA_DIRECTION_REG);
+ __raw_writel(1, GDROM_DMA_ENABLE_REG);
read_command->cmd[2] = (block >> 16) & 0xFF;
read_command->cmd[3] = (block >> 8) & 0xFF;
read_command->cmd[4] = block & 0xFF;
@@ -611,18 +611,18 @@
read_command->cmd[9] = (block_cnt >> 8) & 0xFF;
read_command->cmd[10] = block_cnt & 0xFF;
/* set for DMA */
- ctrl_outb(1, GDROM_ERROR_REG);
+ __raw_writeb(1, GDROM_ERROR_REG);
/* other registers */
- ctrl_outb(0, GDROM_SECNUM_REG);
- ctrl_outb(0, GDROM_BCL_REG);
- ctrl_outb(0, GDROM_BCH_REG);
- ctrl_outb(0, GDROM_DSEL_REG);
- ctrl_outb(0, GDROM_INTSEC_REG);
+ __raw_writeb(0, GDROM_SECNUM_REG);
+ __raw_writeb(0, GDROM_BCL_REG);
+ __raw_writeb(0, GDROM_BCH_REG);
+ __raw_writeb(0, GDROM_DSEL_REG);
+ __raw_writeb(0, GDROM_INTSEC_REG);
/* Wait for registers to reset after any previous activity */
timeout = jiffies + HZ / 2;
while (gdrom_is_busy() && time_before(jiffies, timeout))
cpu_relax();
- ctrl_outb(GDROM_COM_PACKET, GDROM_STATUSCOMMAND_REG);
+ __raw_writeb(GDROM_COM_PACKET, GDROM_STATUSCOMMAND_REG);
timeout = jiffies + HZ / 2;
/* Wait for packet command to finish */
while (gdrom_is_busy() && time_before(jiffies, timeout))
@@ -632,11 +632,11 @@
outsw(GDROM_DATA_REG, &read_command->cmd, 6);
timeout = jiffies + HZ / 2;
/* Wait for any pending DMA to finish */
- while (ctrl_inb(GDROM_DMA_STATUS_REG) &&
+ while (__raw_readb(GDROM_DMA_STATUS_REG) &&
time_before(jiffies, timeout))
cpu_relax();
/* start transfer */
- ctrl_outb(1, GDROM_DMA_STATUS_REG);
+ __raw_writeb(1, GDROM_DMA_STATUS_REG);
wait_event_interruptible_timeout(request_queue,
gd.transfer == 0, GDROM_DEFAULT_TIMEOUT);
err = gd.transfer ? -EIO : 0;
@@ -714,11 +714,11 @@
/* set the default mode for DMA transfer */
static int __devinit gdrom_init_dma_mode(void)
{
- ctrl_outb(0x13, GDROM_ERROR_REG);
- ctrl_outb(0x22, GDROM_INTSEC_REG);
+ __raw_writeb(0x13, GDROM_ERROR_REG);
+ __raw_writeb(0x22, GDROM_INTSEC_REG);
if (!gdrom_wait_clrbusy())
return -EBUSY;
- ctrl_outb(0xEF, GDROM_STATUSCOMMAND_REG);
+ __raw_writeb(0xEF, GDROM_STATUSCOMMAND_REG);
if (!gdrom_wait_busy_sleeps())
return -EBUSY;
/* Memory protection setting for GDROM DMA
@@ -728,8 +728,8 @@
* Bits 6 - 0 end of transfer range in 1 MB blocks OR'ed with 0x80
* (0x40 | 0x80) = start range at 0x0C000000
* (0x7F | 0x80) = end range at 0x0FFFFFFF */
- ctrl_outl(0x8843407F, GDROM_DMA_ACCESS_CTRL_REG);
- ctrl_outl(9, GDROM_DMA_WAIT_REG); /* DMA word setting */
+ __raw_writel(0x8843407F, GDROM_DMA_ACCESS_CTRL_REG);
+ __raw_writel(9, GDROM_DMA_WAIT_REG); /* DMA word setting */
return 0;
}
diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c
index 5fc976d..7197c56 100644
--- a/drivers/input/keyboard/jornada680_kbd.c
+++ b/drivers/input/keyboard/jornada680_kbd.c
@@ -139,35 +139,35 @@
}, *y = matrix_PDE;
/* Save these control reg bits */
- dc_static = (ctrl_inw(PDCR) & (~0xcc0c));
- ec_static = (ctrl_inw(PECR) & (~0xf0cf));
+ dc_static = (__raw_readw(PDCR) & (~0xcc0c));
+ ec_static = (__raw_readw(PECR) & (~0xf0cf));
for (i = 0; i < 8; i++) {
/* disable output for all but the one we want to scan */
- ctrl_outw((dc_static | *y++), PDCR);
- ctrl_outw((ec_static | *y++), PECR);
+ __raw_writew((dc_static | *y++), PDCR);
+ __raw_writew((ec_static | *y++), PECR);
udelay(5);
/* Get scanline row */
- ctrl_outb(*t++, PDDR);
- ctrl_outb(*t++, PEDR);
+ __raw_writeb(*t++, PDDR);
+ __raw_writeb(*t++, PEDR);
udelay(50);
/* Read data */
- *s++ = ctrl_inb(PCDR);
- *s++ = ctrl_inb(PFDR);
+ *s++ = __raw_readb(PCDR);
+ *s++ = __raw_readb(PFDR);
}
/* Scan no lines */
- ctrl_outb(0xff, PDDR);
- ctrl_outb(0xff, PEDR);
+ __raw_writeb(0xff, PDDR);
+ __raw_writeb(0xff, PEDR);
/* Enable all scanlines */
- ctrl_outw((dc_static | (0x5555 & 0xcc0c)),PDCR);
- ctrl_outw((ec_static | (0x5555 & 0xf0cf)),PECR);
+ __raw_writew((dc_static | (0x5555 & 0xcc0c)),PDCR);
+ __raw_writew((ec_static | (0x5555 & 0xf0cf)),PECR);
/* Ignore extra keys and events */
- *s++ = ctrl_inb(PGDR);
- *s++ = ctrl_inb(PHDR);
+ *s++ = __raw_readb(PGDR);
+ *s++ = __raw_readb(PHDR);
}
static void jornadakbd680_poll(struct input_polled_dev *dev)
diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c
index 498bd62..dd4e8f0 100644
--- a/drivers/input/touchscreen/hp680_ts_input.c
+++ b/drivers/input/touchscreen/hp680_ts_input.c
@@ -28,29 +28,29 @@
u8 scpdr;
int touched = 0;
- if (ctrl_inb(PHDR) & PHDR_TS_PEN_DOWN) {
- scpdr = ctrl_inb(SCPDR);
+ if (__raw_readb(PHDR) & PHDR_TS_PEN_DOWN) {
+ scpdr = __raw_readb(SCPDR);
scpdr |= SCPDR_TS_SCAN_ENABLE;
scpdr &= ~SCPDR_TS_SCAN_Y;
- ctrl_outb(scpdr, SCPDR);
+ __raw_writeb(scpdr, SCPDR);
udelay(30);
absy = adc_single(ADC_CHANNEL_TS_Y);
- scpdr = ctrl_inb(SCPDR);
+ scpdr = __raw_readb(SCPDR);
scpdr |= SCPDR_TS_SCAN_Y;
scpdr &= ~SCPDR_TS_SCAN_X;
- ctrl_outb(scpdr, SCPDR);
+ __raw_writeb(scpdr, SCPDR);
udelay(30);
absx = adc_single(ADC_CHANNEL_TS_X);
- scpdr = ctrl_inb(SCPDR);
+ scpdr = __raw_readb(SCPDR);
scpdr |= SCPDR_TS_SCAN_X;
scpdr &= ~SCPDR_TS_SCAN_ENABLE;
- ctrl_outb(scpdr, SCPDR);
+ __raw_writeb(scpdr, SCPDR);
udelay(100);
- touched = ctrl_inb(PHDR) & PHDR_TS_PEN_DOWN;
+ touched = __raw_readb(PHDR) & PHDR_TS_PEN_DOWN;
}
if (touched) {
diff --git a/drivers/rtc/rtc-rs5c313.c b/drivers/rtc/rtc-rs5c313.c
index e6ea3f5..e3ff179 100644
--- a/drivers/rtc/rtc-rs5c313.c
+++ b/drivers/rtc/rtc-rs5c313.c
@@ -80,21 +80,21 @@
/* SCSPTR1 data */
unsigned char scsptr1_data;
-#define RS5C313_CEENABLE ctrl_outb(RS5C313_CE_RTCCE, RS5C313_CE);
-#define RS5C313_CEDISABLE ctrl_outb(0x00, RS5C313_CE)
-#define RS5C313_MISCOP ctrl_outb(0x02, 0xB0000008)
+#define RS5C313_CEENABLE __raw_writeb(RS5C313_CE_RTCCE, RS5C313_CE);
+#define RS5C313_CEDISABLE __raw_writeb(0x00, RS5C313_CE)
+#define RS5C313_MISCOP __raw_writeb(0x02, 0xB0000008)
static void rs5c313_init_port(void)
{
/* Set SCK as I/O port and Initialize SCSPTR1 data & I/O port. */
- ctrl_outb(ctrl_inb(SCSMR1) & ~SCSMR1_CA, SCSMR1);
- ctrl_outb(ctrl_inb(SCSCR1) & ~SCSCR1_CKE, SCSCR1);
+ __raw_writeb(__raw_readb(SCSMR1) & ~SCSMR1_CA, SCSMR1);
+ __raw_writeb(__raw_readb(SCSCR1) & ~SCSCR1_CKE, SCSCR1);
/* And Initialize SCL for RS5C313 clock */
- scsptr1_data = ctrl_inb(SCSPTR1) | SCL; /* SCL:H */
- ctrl_outb(scsptr1_data, SCSPTR1);
- scsptr1_data = ctrl_inb(SCSPTR1) | SCL_OEN; /* SCL output enable */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ scsptr1_data = __raw_readb(SCSPTR1) | SCL; /* SCL:H */
+ __raw_writeb(scsptr1_data, SCSPTR1);
+ scsptr1_data = __raw_readb(SCSPTR1) | SCL_OEN; /* SCL output enable */
+ __raw_writeb(scsptr1_data, SCSPTR1);
RS5C313_CEDISABLE; /* CE:L */
}
@@ -106,21 +106,21 @@
/* SDA:Write Data */
scsptr1_data = (scsptr1_data & ~SDA) |
((((0x80 >> i) & data) >> (7 - i)) << 2);
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
if (i == 0) {
scsptr1_data |= SDA_OEN; /* SDA:output enable */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
}
ndelay(700);
scsptr1_data &= ~SCL; /* SCL:L */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
ndelay(700);
scsptr1_data |= SCL; /* SCL:H */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
}
scsptr1_data &= ~SDA_OEN; /* SDA:output disable */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
}
static unsigned char rs5c313_read_data(void)
@@ -131,12 +131,12 @@
for (i = 0; i < 8; i++) {
ndelay(700);
/* SDA:Read Data */
- data |= ((ctrl_inb(SCSPTR1) & SDA) >> 2) << (7 - i);
+ data |= ((__raw_readb(SCSPTR1) & SDA) >> 2) << (7 - i);
scsptr1_data &= ~SCL; /* SCL:L */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
ndelay(700);
scsptr1_data |= SCL; /* SCL:H */
- ctrl_outb(scsptr1_data, SCSPTR1);
+ __raw_writeb(scsptr1_data, SCSPTR1);
}
return data & 0x0F;
}
diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index 35c0370..de885a0 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -12,15 +12,16 @@
#include <linux/io.h>
#include "internals.h"
-void _intc_enable(unsigned int irq, unsigned long handle)
+void _intc_enable(struct irq_data *data, unsigned long handle)
{
+ unsigned int irq = data->irq;
struct intc_desc_int *d = get_intc_desc(irq);
unsigned long addr;
unsigned int cpu;
for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
#ifdef CONFIG_SMP
- if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+ if (!cpumask_test_cpu(cpu, data->affinity))
continue;
#endif
addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
@@ -31,15 +32,16 @@
intc_balancing_enable(irq);
}
-static void intc_enable(unsigned int irq)
+static void intc_enable(struct irq_data *data)
{
- _intc_enable(irq, (unsigned long)get_irq_chip_data(irq));
+ _intc_enable(data, (unsigned long)irq_data_get_irq_chip_data(data));
}
-static void intc_disable(unsigned int irq)
+static void intc_disable(struct irq_data *data)
{
+ unsigned int irq = data->irq;
struct intc_desc_int *d = get_intc_desc(irq);
- unsigned long handle = (unsigned long)get_irq_chip_data(irq);
+ unsigned long handle = (unsigned long)irq_data_get_irq_chip_data(data);
unsigned long addr;
unsigned int cpu;
@@ -47,7 +49,7 @@
for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
#ifdef CONFIG_SMP
- if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+ if (!cpumask_test_cpu(cpu, data->affinity))
continue;
#endif
addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
@@ -56,7 +58,7 @@
}
}
-static int intc_set_wake(unsigned int irq, unsigned int on)
+static int intc_set_wake(struct irq_data *data, unsigned int on)
{
return 0; /* allow wakeup, but setup hardware in intc_suspend() */
}
@@ -67,24 +69,27 @@
* additional locking here at the intc desc level. The affinity mask is
* later tested in the enable/disable paths.
*/
-static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+static int intc_set_affinity(struct irq_data *data,
+ const struct cpumask *cpumask,
+ bool force)
{
if (!cpumask_intersects(cpumask, cpu_online_mask))
return -1;
- cpumask_copy(irq_to_desc(irq)->affinity, cpumask);
+ cpumask_copy(data->affinity, cpumask);
return 0;
}
#endif
-static void intc_mask_ack(unsigned int irq)
+static void intc_mask_ack(struct irq_data *data)
{
+ unsigned int irq = data->irq;
struct intc_desc_int *d = get_intc_desc(irq);
unsigned long handle = intc_get_ack_handle(irq);
unsigned long addr;
- intc_disable(irq);
+ intc_disable(data);
/* read register and write zero only to the associated bit */
if (handle) {
@@ -144,6 +149,7 @@
int intc_set_priority(unsigned int irq, unsigned int prio)
{
struct intc_desc_int *d = get_intc_desc(irq);
+ struct irq_data *data = irq_get_irq_data(irq);
struct intc_handle_int *ihp;
if (!intc_get_prio_level(irq) || prio <= 1)
@@ -162,7 +168,7 @@
* priority level will be set during next enable()
*/
if (_INTC_FN(ihp->handle) != REG_FN_ERR)
- _intc_enable(irq, ihp->handle);
+ _intc_enable(data, ihp->handle);
}
return 0;
}
@@ -181,8 +187,9 @@
#endif
};
-static int intc_set_type(unsigned int irq, unsigned int type)
+static int intc_set_type(struct irq_data *data, unsigned int type)
{
+ unsigned int irq = data->irq;
struct intc_desc_int *d = get_intc_desc(irq);
unsigned char value = intc_irq_sense_table[type & IRQ_TYPE_SENSE_MASK];
struct intc_handle_int *ihp;
@@ -201,15 +208,15 @@
}
struct irq_chip intc_irq_chip = {
- .mask = intc_disable,
- .unmask = intc_enable,
- .mask_ack = intc_mask_ack,
- .enable = intc_enable,
- .disable = intc_disable,
- .shutdown = intc_disable,
- .set_type = intc_set_type,
- .set_wake = intc_set_wake,
+ .irq_mask = intc_disable,
+ .irq_unmask = intc_enable,
+ .irq_mask_ack = intc_mask_ack,
+ .irq_enable = intc_enable,
+ .irq_disable = intc_disable,
+ .irq_shutdown = intc_disable,
+ .irq_set_type = intc_set_type,
+ .irq_set_wake = intc_set_wake,
#ifdef CONFIG_SMP
- .set_affinity = intc_set_affinity,
+ .irq_set_affinity = intc_set_affinity,
#endif
};
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 306ed28..873a99f 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -71,6 +71,7 @@
unsigned int irq)
{
struct intc_handle_int *hp;
+ struct irq_data *irq_data;
unsigned int data[2], primary;
unsigned long flags;
@@ -78,7 +79,7 @@
* Register the IRQ position with the global IRQ map, then insert
* it in to the radix tree.
*/
- reserve_irq_vector(irq);
+ irq_reserve_irqs(irq, 1);
raw_spin_lock_irqsave(&intc_big_lock, flags);
radix_tree_insert(&d->tree, enum_id, intc_irq_xlate_get(irq));
@@ -111,6 +112,8 @@
BUG_ON(!data[primary]); /* must have primary masking method */
+ irq_data = irq_get_irq_data(irq);
+
disable_irq_nosync(irq);
set_irq_chip_and_handler_name(irq, &d->chip,
handle_level_irq, "level");
@@ -123,7 +126,7 @@
/* enable secondary masking method if present */
if (data[!primary])
- _intc_enable(irq, data[!primary]);
+ _intc_enable(irq_data, data[!primary]);
/* add irq to d->prio list if priority is available */
if (data[1]) {
@@ -151,7 +154,7 @@
}
/* irq should be disabled by default */
- d->chip.mask(irq);
+ d->chip.irq_mask(irq_data);
intc_set_ack_handle(irq, desc, d, enum_id);
intc_set_dist_handle(irq, desc, d, enum_id);
@@ -284,7 +287,7 @@
for (i = 0; i < hw->nr_ack_regs; i++)
k += save_reg(d, k, hw->ack_regs[i].set_reg, 0);
else
- d->chip.mask_ack = d->chip.disable;
+ d->chip.irq_mask_ack = d->chip.irq_disable;
/* disable bits matching force_disable before registering irqs */
if (desc->force_disable)
@@ -300,13 +303,13 @@
for (i = 0; i < hw->nr_vectors; i++) {
struct intc_vect *vect = hw->vectors + i;
unsigned int irq = evt2irq(vect->vect);
- struct irq_desc *irq_desc;
+ int res;
if (!vect->enum_id)
continue;
- irq_desc = irq_to_desc_alloc_node(irq, numa_node_id());
- if (unlikely(!irq_desc)) {
+ res = irq_alloc_desc_at(irq, numa_node_id());
+ if (res != irq && res != -EEXIST) {
pr_err("can't get irq_desc for %d\n", irq);
continue;
}
@@ -326,8 +329,8 @@
* IRQ support, each vector still needs to have
* its own backing irq_desc.
*/
- irq_desc = irq_to_desc_alloc_node(irq2, numa_node_id());
- if (unlikely(!irq_desc)) {
+ res = irq_alloc_desc_at(irq2, numa_node_id());
+ if (res != irq2 && res != -EEXIST) {
pr_err("can't get irq_desc for %d\n", irq2);
continue;
}
@@ -387,7 +390,9 @@
static int intc_suspend(struct sys_device *dev, pm_message_t state)
{
struct intc_desc_int *d;
+ struct irq_data *data;
struct irq_desc *desc;
+ struct irq_chip *chip;
int irq;
/* get intc controller associated with this sysdev */
@@ -398,17 +403,21 @@
if (d->state.event != PM_EVENT_FREEZE)
break;
- for_each_irq_desc(irq, desc) {
+ for_each_active_irq(irq) {
+ desc = irq_to_desc(irq);
+ data = irq_get_irq_data(irq);
+ chip = irq_data_get_irq_chip(data);
+
/*
* This will catch the redirect and VIRQ cases
* due to the dummy_irq_chip being inserted.
*/
- if (desc->chip != &d->chip)
+ if (chip != &d->chip)
continue;
if (desc->status & IRQ_DISABLED)
- desc->chip->disable(irq);
+ chip->irq_disable(data);
else
- desc->chip->enable(irq);
+ chip->irq_enable(data);
}
break;
case PM_EVENT_FREEZE:
@@ -416,11 +425,15 @@
break;
case PM_EVENT_SUSPEND:
/* enable wakeup irqs belonging to this intc controller */
- for_each_irq_desc(irq, desc) {
- if (desc->chip != &d->chip)
+ for_each_active_irq(irq) {
+ desc = irq_to_desc(irq);
+ data = irq_get_irq_data(irq);
+ chip = irq_data_get_irq_chip(data);
+
+ if (chip != &d->chip)
continue;
if ((desc->status & IRQ_WAKEUP))
- desc->chip->enable(irq);
+ chip->irq_enable(data);
}
break;
}
diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c
index 6caecdf..4187cce 100644
--- a/drivers/sh/intc/dynamic.c
+++ b/drivers/sh/intc/dynamic.c
@@ -17,7 +17,7 @@
#include "internals.h" /* only for activate_irq() damage.. */
/*
- * The intc_irq_map provides a global map of bound IRQ vectors for a
+ * The IRQ bitmap provides a global map of bound IRQ vectors for a
* given platform. Allocation of IRQs are either static through the CPU
* vector map, or dynamic in the case of board mux vectors or MSI.
*
@@ -27,109 +27,38 @@
* when dynamically creating IRQs, as well as tying in to otherwise
* unused irq_desc positions in the sparse array.
*/
-static DECLARE_BITMAP(intc_irq_map, NR_IRQS);
-static DEFINE_RAW_SPINLOCK(vector_lock);
/*
* Dynamic IRQ allocation and deallocation
*/
unsigned int create_irq_nr(unsigned int irq_want, int node)
{
- unsigned int irq = 0, new;
- unsigned long flags;
- struct irq_desc *desc;
+ int irq = irq_alloc_desc_at(irq_want, node);
+ if (irq < 0)
+ return 0;
- raw_spin_lock_irqsave(&vector_lock, flags);
-
- /*
- * First try the wanted IRQ
- */
- if (test_and_set_bit(irq_want, intc_irq_map) == 0) {
- new = irq_want;
- } else {
- /* .. then fall back to scanning. */
- new = find_first_zero_bit(intc_irq_map, nr_irqs);
- if (unlikely(new == nr_irqs))
- goto out_unlock;
-
- __set_bit(new, intc_irq_map);
- }
-
- desc = irq_to_desc_alloc_node(new, node);
- if (unlikely(!desc)) {
- pr_err("can't get irq_desc for %d\n", new);
- goto out_unlock;
- }
-
- desc = move_irq_desc(desc, node);
- irq = new;
-
-out_unlock:
- raw_spin_unlock_irqrestore(&vector_lock, flags);
-
- if (irq > 0) {
- dynamic_irq_init(irq);
- activate_irq(irq);
- }
-
+ activate_irq(irq);
return irq;
}
int create_irq(void)
{
- int nid = cpu_to_node(smp_processor_id());
- int irq;
-
- irq = create_irq_nr(NR_IRQS_LEGACY, nid);
- if (irq == 0)
- irq = -1;
+ int irq = irq_alloc_desc(numa_node_id());
+ if (irq >= 0)
+ activate_irq(irq);
return irq;
}
void destroy_irq(unsigned int irq)
{
- unsigned long flags;
-
- dynamic_irq_cleanup(irq);
-
- raw_spin_lock_irqsave(&vector_lock, flags);
- __clear_bit(irq, intc_irq_map);
- raw_spin_unlock_irqrestore(&vector_lock, flags);
-}
-
-int reserve_irq_vector(unsigned int irq)
-{
- unsigned long flags;
- int ret = 0;
-
- raw_spin_lock_irqsave(&vector_lock, flags);
- if (test_and_set_bit(irq, intc_irq_map))
- ret = -EBUSY;
- raw_spin_unlock_irqrestore(&vector_lock, flags);
-
- return ret;
+ irq_free_desc(irq);
}
void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs)
{
- unsigned long flags;
int i;
- raw_spin_lock_irqsave(&vector_lock, flags);
for (i = 0; i < nr_vecs; i++)
- __set_bit(evt2irq(vectors[i].vect), intc_irq_map);
- raw_spin_unlock_irqrestore(&vector_lock, flags);
-}
-
-void reserve_irq_legacy(void)
-{
- unsigned long flags;
- int i, j;
-
- raw_spin_lock_irqsave(&vector_lock, flags);
- j = find_first_bit(intc_irq_map, nr_irqs);
- for (i = 0; i < j; i++)
- __set_bit(i, intc_irq_map);
- raw_spin_unlock_irqrestore(&vector_lock, flags);
+ irq_reserve_irqs(evt2irq(vectors[i].vect), 1);
}
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index d49482c..0cf8260 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -152,7 +152,7 @@
/* chip.c */
extern struct irq_chip intc_irq_chip;
-void _intc_enable(unsigned int irq, unsigned long handle);
+void _intc_enable(struct irq_data *data, unsigned long handle);
/* core.c */
extern struct list_head intc_list;
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 643dfd4..e5bf5d3 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -83,11 +83,11 @@
static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
{
struct intc_virq_list **last, *entry;
- struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_data *data = irq_get_irq_data(irq);
/* scan for duplicates */
- last = (struct intc_virq_list **)&desc->handler_data;
- for_each_virq(entry, desc->handler_data) {
+ last = (struct intc_virq_list **)&data->handler_data;
+ for_each_virq(entry, data->handler_data) {
if (entry->irq == virq)
return 0;
last = &entry->next;
@@ -108,10 +108,12 @@
static void intc_virq_handler(unsigned int irq, struct irq_desc *desc)
{
- struct intc_virq_list *entry, *vlist = get_irq_data(irq);
+ struct irq_data *data = irq_get_irq_data(irq);
+ struct irq_chip *chip = irq_data_get_irq_chip(data);
+ struct intc_virq_list *entry, *vlist = irq_data_get_irq_data(data);
struct intc_desc_int *d = get_intc_desc(irq);
- desc->chip->mask_ack(irq);
+ chip->irq_mask_ack(data);
for_each_virq(entry, vlist) {
unsigned long addr, handle;
@@ -123,7 +125,7 @@
generic_handle_irq(entry->irq);
}
- desc->chip->unmask(irq);
+ chip->irq_unmask(data);
}
static unsigned long __init intc_subgroup_data(struct intc_subgroup *subgroup,
diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c
index 4e8f57d..1e20604 100644
--- a/drivers/sh/maple/maple.c
+++ b/drivers/sh/maple/maple.c
@@ -94,9 +94,9 @@
/* set hardware registers to enable next round of dma */
static void maple_dma_reset(void)
{
- ctrl_outl(MAPLE_MAGIC, MAPLE_RESET);
+ __raw_writel(MAPLE_MAGIC, MAPLE_RESET);
/* set trig type to 0 for software trigger, 1 for hardware (VBLANK) */
- ctrl_outl(1, MAPLE_TRIGTYPE);
+ __raw_writel(1, MAPLE_TRIGTYPE);
/*
* Maple system register
* bits 31 - 16 timeout in units of 20nsec
@@ -105,9 +105,9 @@
* bits 3 - 0 delay (in 1.3ms) between VBLANK and start of DMA
* max delay is 11
*/
- ctrl_outl(MAPLE_2MBPS | MAPLE_TIMEOUT(0xFFFF), MAPLE_SPEED);
- ctrl_outl(virt_to_phys(maple_sendbuf), MAPLE_DMAADDR);
- ctrl_outl(1, MAPLE_ENABLE);
+ __raw_writel(MAPLE_2MBPS | MAPLE_TIMEOUT(0xFFFF), MAPLE_SPEED);
+ __raw_writel(virt_to_phys(maple_sendbuf), MAPLE_DMAADDR);
+ __raw_writel(1, MAPLE_ENABLE);
}
/**
@@ -130,7 +130,7 @@
static int maple_dma_done(void)
{
- return (ctrl_inl(MAPLE_STATE) & 1) == 0;
+ return (__raw_readl(MAPLE_STATE) & 1) == 0;
}
static void maple_release_device(struct device *dev)
@@ -275,7 +275,7 @@
return;
/* disable DMA */
- ctrl_outl(0, MAPLE_ENABLE);
+ __raw_writel(0, MAPLE_ENABLE);
if (!list_empty(&maple_sentq))
goto finish;
@@ -450,7 +450,7 @@
if (!maple_dma_done())
return;
- ctrl_outl(0, MAPLE_ENABLE);
+ __raw_writel(0, MAPLE_ENABLE);
if (!list_empty(&maple_sentq))
goto finish;
@@ -636,7 +636,7 @@
if (!maple_dma_done())
return;
- ctrl_outl(0, MAPLE_ENABLE);
+ __raw_writel(0, MAPLE_ENABLE);
if (!list_empty(&maple_sentq)) {
list_for_each_entry_safe(mq, nmq, &maple_sentq, list) {
mdev = mq->dev;
@@ -796,7 +796,7 @@
int retval, i;
struct maple_device *mdev[MAPLE_PORTS];
- ctrl_outl(0, MAPLE_ENABLE);
+ __raw_writel(0, MAPLE_ENABLE);
retval = device_register(&maple_bus);
if (retval)
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index b4f183a..f656d1a 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -129,7 +129,4 @@
}
#endif
-int reserve_irq_vector(unsigned int irq);
-void reserve_irq_legacy(void);
-
#endif /* __SH_INTC_H */
diff --git a/sound/sh/aica.c b/sound/sh/aica.c
index a0df401..94c6ea7 100644
--- a/sound/sh/aica.c
+++ b/sound/sh/aica.c
@@ -188,7 +188,7 @@
spu_memset(0, 0, 0x200000 / 4);
/* Put ARM7 in endless loop */
local_irq_save(flags);
- ctrl_outl(0xea000002, SPU_MEMORY_BASE);
+ __raw_writel(0xea000002, SPU_MEMORY_BASE);
local_irq_restore(flags);
spu_enable();
}
diff --git a/sound/soc/sh/sh7760-ac97.c b/sound/soc/sh/sh7760-ac97.c
index b897f7b..f8e0ab8 100644
--- a/sound/soc/sh/sh7760-ac97.c
+++ b/sound/soc/sh/sh7760-ac97.c
@@ -52,8 +52,8 @@
unsigned short ipsel;
/* enable both AC97 controllers in pinmux reg */
- ipsel = ctrl_inw(IPSEL);
- ctrl_outw(ipsel | (3 << 10), IPSEL);
+ ipsel = __raw_readw(IPSEL);
+ __raw_writew(ipsel | (3 << 10), IPSEL);
ret = -ENOMEM;
sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);