Merge branch 'char-misc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
* 'char-misc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: ad525x_dpot: Fix AD8400 spi transfer size.
pch_phub: Fix MAC address writing issue for LAPIS ML7831
pch_phub: Improve ADE(Address Decode Enable) control
pch_phub: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor
pch_phub: Support new device LAPIS Semiconductor ML7831 IOH
pcie-gadget-spear: Add "platform:" prefix for platform modalias
MAINTAINERS: add CHAR and MISC driver maintainers
diff --git a/MAINTAINERS b/MAINTAINERS
index 29f9948..165205b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1789,6 +1789,14 @@
F: net/wireless/*
X: net/wireless/wext*
+CHAR and MISC DRIVERS
+M: Arnd Bergmann <arnd@arndb.de>
+M: Greg Kroah-Hartman <greg@kroah.com>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
+S: Maintained
+F: drivers/char/*
+F: drivers/misc/*
+
CHECKPATCH
M: Andy Whitcroft <apw@canonical.com>
S: Supported
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index d593878..5664696 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -472,7 +472,7 @@
module will be called bmp085.
config PCH_PHUB
- tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"
+ tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB"
depends on PCI
help
This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of
@@ -480,12 +480,13 @@
processor. The Topcliff has MAC address and Option ROM data in SROM.
This driver can access MAC address and Option ROM data in SROM.
- This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
- Output Hub), ML7213 and ML7223.
- ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
- for MP(Media Phone) use.
- ML7213/ML7223 is companion chip for Intel Atom E6xx series.
- ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+ This driver also can be used for LAPIS Semiconductor's IOH,
+ ML7213/ML7223/ML7831.
+ ML7213 which is for IVI(In-Vehicle Infotainment) use.
+ ML7223 IOH is for MP(Media Phone) use.
+ ML7831 IOH is for general purpose use.
+ ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+ ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
To compile this driver as a module, choose M here: the module will
be called pch_phub.
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index a662f59..82b2cb7 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -100,7 +100,7 @@
AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
BRDAC0, 7, 28),
- AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+ AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
BRDAC0, 8, 29),
AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
BRDAC0 | BRDAC1, 8, 30),
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index dee33ad..10fc478 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -41,10 +41,10 @@
#define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset
(Intel EG20T PCH)*/
#define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address
- offset(OKI SEMICONDUCTOR ML7213)
+ offset(LAPIS Semicon ML7213)
*/
#define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address
- offset(OKI SEMICONDUCTOR ML7223)
+ offset(LAPIS Semicon ML7223)
*/
/* MAX number of INT_REDUCE_CONTROL registers */
@@ -73,6 +73,9 @@
#define PCI_DEVICE_ID_ROHM_ML7223_mPHUB 0x8012 /* for Bus-m */
#define PCI_DEVICE_ID_ROHM_ML7223_nPHUB 0x8002 /* for Bus-n */
+/* Macros for ML7831 */
+#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801
+
/* SROM ACCESS Macro */
#define PCH_WORD_ADDR_MASK (~((1 << 2) - 1))
@@ -115,6 +118,7 @@
* @pch_mac_start_address: MAC address area start address
* @pch_opt_rom_start_address: Option ROM start address
* @ioh_type: Save IOH type
+ * @pdev: pointer to pci device struct
*/
struct pch_phub_reg {
u32 phub_id_reg;
@@ -136,6 +140,7 @@
u32 pch_mac_start_address;
u32 pch_opt_rom_start_address;
int ioh_type;
+ struct pci_dev *pdev;
};
/* SROM SPEC for MAC address assignment offset */
@@ -471,7 +476,7 @@
int retval;
int i;
- if (chip->ioh_type == 1) /* EG20T */
+ if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/
retval = pch_phub_gbe_serial_rom_conf(chip);
else /* ML7223 */
retval = pch_phub_gbe_serial_rom_conf_mp(chip);
@@ -498,6 +503,7 @@
unsigned int orom_size;
int ret;
int err;
+ ssize_t rom_size;
struct pch_phub_reg *chip =
dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -509,6 +515,10 @@
}
/* Get Rom signature */
+ chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+ if (!chip->pch_phub_extrom_base_address)
+ goto exrom_map_err;
+
pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address,
(unsigned char *)&rom_signature);
rom_signature &= 0xff;
@@ -539,10 +549,13 @@
goto return_err;
}
return_ok:
+ pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
mutex_unlock(&pch_phub_mutex);
return addr_offset;
return_err:
+ pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+exrom_map_err:
mutex_unlock(&pch_phub_mutex);
return_err_nomutex:
return err;
@@ -555,6 +568,7 @@
int err;
unsigned int addr_offset;
int ret;
+ ssize_t rom_size;
struct pch_phub_reg *chip =
dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -571,6 +585,12 @@
goto return_ok;
}
+ chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+ if (!chip->pch_phub_extrom_base_address) {
+ err = -ENOMEM;
+ goto exrom_map_err;
+ }
+
for (addr_offset = 0; addr_offset < count; addr_offset++) {
if (PCH_PHUB_OROM_SIZE < off + addr_offset)
goto return_ok;
@@ -585,10 +605,14 @@
}
return_ok:
+ pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
mutex_unlock(&pch_phub_mutex);
return addr_offset;
return_err:
+ pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+
+exrom_map_err:
mutex_unlock(&pch_phub_mutex);
return err;
}
@@ -598,8 +622,14 @@
{
u8 mac[8];
struct pch_phub_reg *chip = dev_get_drvdata(dev);
+ ssize_t rom_size;
+
+ chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+ if (!chip->pch_phub_extrom_base_address)
+ return -ENOMEM;
pch_phub_read_gbe_mac_addr(chip, mac);
+ pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
return sprintf(buf, "%pM\n", mac);
}
@@ -608,6 +638,7 @@
const char *buf, size_t count)
{
u8 mac[6];
+ ssize_t rom_size;
struct pch_phub_reg *chip = dev_get_drvdata(dev);
if (count != 18)
@@ -617,7 +648,12 @@
(u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3],
(u32 *)&mac[4], (u32 *)&mac[5]);
+ chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+ if (!chip->pch_phub_extrom_base_address)
+ return -ENOMEM;
+
pch_phub_write_gbe_mac_addr(chip, mac);
+ pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
return count;
}
@@ -640,7 +676,6 @@
int retval;
int ret;
- ssize_t rom_size;
struct pch_phub_reg *chip;
chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL);
@@ -677,19 +712,7 @@
"in pch_phub_base_address variable is %p\n", __func__,
chip->pch_phub_base_address);
- if (id->driver_data != 3) {
- chip->pch_phub_extrom_base_address =\
- pci_map_rom(pdev, &rom_size);
- if (chip->pch_phub_extrom_base_address == 0) {
- dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__);
- ret = -ENOMEM;
- goto err_pci_map;
- }
- dev_dbg(&pdev->dev, "%s : "
- "pci_map_rom SUCCESS and value in "
- "pch_phub_extrom_base_address variable is %p\n",
- __func__, chip->pch_phub_extrom_base_address);
- }
+ chip->pdev = pdev; /* Save pci device struct */
if (id->driver_data == 1) { /* EG20T PCH */
const char *board_name;
@@ -763,6 +786,22 @@
chip->pch_opt_rom_start_address =\
PCH_PHUB_ROM_START_ADDR_ML7223;
chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
+ } else if (id->driver_data == 5) { /* ML7831 */
+ retval = sysfs_create_file(&pdev->dev.kobj,
+ &dev_attr_pch_mac.attr);
+ if (retval)
+ goto err_sysfs_create;
+
+ retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+ if (retval)
+ goto exit_bin_attr;
+
+ /* set the prefech value */
+ iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14);
+ /* set the interrupt delay value */
+ iowrite32(0x25, chip->pch_phub_base_address + 0x44);
+ chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T;
+ chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T;
}
chip->ioh_type = id->driver_data;
@@ -773,8 +812,6 @@
sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
err_sysfs_create:
- pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
-err_pci_map:
pci_iounmap(pdev, chip->pch_phub_base_address);
err_pci_iomap:
pci_release_regions(pdev);
@@ -792,7 +829,6 @@
sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr);
- pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
pci_iounmap(pdev, chip->pch_phub_base_address);
pci_release_regions(pdev);
pci_disable_device(pdev);
@@ -847,6 +883,7 @@
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3, },
{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4, },
+ { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5, },
{ }
};
MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id);
@@ -873,5 +910,5 @@
module_init(pch_phub_pci_init);
module_exit(pch_phub_pci_exit);
-MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB");
+MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB");
MODULE_LICENSE("GPL");
diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c
index cfbddbe..43d073b 100644
--- a/drivers/misc/spear13xx_pcie_gadget.c
+++ b/drivers/misc/spear13xx_pcie_gadget.c
@@ -903,6 +903,6 @@
}
module_exit(spear_pcie_gadget_exit);
-MODULE_ALIAS("pcie-gadget-spear");
+MODULE_ALIAS("platform:pcie-gadget-spear");
MODULE_AUTHOR("Pratyush Anand");
MODULE_LICENSE("GPL");