ARM: iop13xx: use runtime ioremap hook
Convert iop13xx platforms to use run-time ioremap hook instead of the
compile time hook. The custom ioremap is still needed for 64-bit address
handling.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
diff --git a/arch/arm/mach-iop13xx/include/mach/io.h b/arch/arm/mach-iop13xx/include/mach/io.h
index dffb234..2a69fc0 100644
--- a/arch/arm/mach-iop13xx/include/mach/io.h
+++ b/arch/arm/mach-iop13xx/include/mach/io.h
@@ -26,16 +26,9 @@
#define __mem_isa(a) (a)
extern void __iomem * __iop13xx_io(unsigned long io_addr);
-extern void __iomem *__iop13xx_ioremap(unsigned long cookie, size_t size,
- unsigned int mtype);
-extern void __iop13xx_iounmap(void __iomem *addr);
-
extern u32 iop13xx_atue_mem_base;
extern u32 iop13xx_atux_mem_base;
extern size_t iop13xx_atue_mem_size;
extern size_t iop13xx_atux_mem_size;
-#define __arch_ioremap __iop13xx_ioremap
-#define __arch_iounmap __iop13xx_iounmap
-
#endif
diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index 48642e6..6dd5b49 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -40,8 +40,8 @@
}
EXPORT_SYMBOL(__iop13xx_io);
-void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
- unsigned int mtype)
+static void __iomem *__iop13xx_ioremap_caller(unsigned long cookie,
+ size_t size, unsigned int mtype, void *caller)
{
void __iomem * retval;
@@ -76,17 +76,14 @@
break;
default:
retval = __arm_ioremap_caller(cookie, size, mtype,
- __builtin_return_address(0));
+ caller);
}
return retval;
}
-EXPORT_SYMBOL(__iop13xx_ioremap);
-void __iop13xx_iounmap(void __iomem *addr)
+static void __iop13xx_iounmap(volatile void __iomem *addr)
{
- extern void __iounmap(volatile void __iomem *addr);
-
if (iop13xx_atue_mem_base)
if (addr >= (void __iomem *) iop13xx_atue_mem_base &&
addr < (void __iomem *) (iop13xx_atue_mem_base +
@@ -110,4 +107,9 @@
skip:
return;
}
-EXPORT_SYMBOL(__iop13xx_iounmap);
+
+void __init iop13xx_init_early(void)
+{
+ arch_ioremap_caller = __iop13xx_ioremap_caller;
+ arch_iounmap = __iop13xx_iounmap;
+}
diff --git a/arch/arm/mach-iop13xx/iq81340mc.c b/arch/arm/mach-iop13xx/iq81340mc.c
index abaee88..5c96b73 100644
--- a/arch/arm/mach-iop13xx/iq81340mc.c
+++ b/arch/arm/mach-iop13xx/iq81340mc.c
@@ -92,6 +92,7 @@
MACHINE_START(IQ81340MC, "Intel IQ81340MC")
/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
.atag_offset = 0x100,
+ .init_early = iop13xx_init_early,
.map_io = iop13xx_map_io,
.init_irq = iop13xx_init_irq,
.timer = &iq81340mc_timer,
diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c
index 690916a..aa4dd75 100644
--- a/arch/arm/mach-iop13xx/iq81340sc.c
+++ b/arch/arm/mach-iop13xx/iq81340sc.c
@@ -94,6 +94,7 @@
MACHINE_START(IQ81340SC, "Intel IQ81340SC")
/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
.atag_offset = 0x100,
+ .init_early = iop13xx_init_early,
.map_io = iop13xx_map_io,
.init_irq = iop13xx_init_irq,
.timer = &iq81340sc_timer,