24 files changed, 182 insertions, 58 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index d593878d66d0..5664696f2d3a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -472,7 +472,7 @@ config BMP085
 	  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 @@ config PCH_PHUB
 	  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 a662f5987b68..82b2cb77ae19 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -100,7 +100,7 @@ enum dpot_devid {
 	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/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index 7ce6065dc20e..eb5cd28bc6d8 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op)
 /* CTL-CPLD Version Register */
 #define CTL_CPLD_VERSION	0x2000
 
-static int fpga_of_probe(struct platform_device *op,
-			 const struct of_device_id *match)
+static int fpga_of_probe(struct platform_device *op)
 {
 	struct device_node *of_node = op->dev.of_node;
 	struct device *this_device;
@@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = {
 	{},
 };
 
-static struct of_platform_driver fpga_of_driver = {
+static struct platform_driver fpga_of_driver = {
 	.probe		= fpga_of_probe,
 	.remove		= fpga_of_remove,
 	.driver		= {
@@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = {
 static int __init fpga_init(void)
 {
 	led_trigger_register_simple("fpga", &ledtrig_fpga);
-	return of_register_platform_driver(&fpga_of_driver);
+	return platform_driver_register(&fpga_of_driver);
 }
 
 static void __exit fpga_exit(void)
 {
-	of_unregister_platform_driver(&fpga_of_driver);
+	platform_driver_unregister(&fpga_of_driver);
 	led_trigger_unregister_simple(ledtrig_fpga);
 }
 
diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c
index 3965821fef17..14e974b2a781 100644
--- a/drivers/misc/carma/carma-fpga.c
+++ b/drivers/misc/carma/carma-fpga.c
@@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data)
 	return true;
 }
 
-static int data_of_probe(struct platform_device *op,
-			 const struct of_device_id *match)
+static int data_of_probe(struct platform_device *op)
 {
 	struct device_node *of_node = op->dev.of_node;
 	struct device *this_device;
@@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = {
 	{},
 };
 
-static struct of_platform_driver data_of_driver = {
+static struct platform_driver data_of_driver = {
 	.probe		= data_of_probe,
 	.remove		= data_of_remove,
 	.driver		= {
@@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = {
 
 static int __init data_init(void)
 {
-	return of_register_platform_driver(&data_of_driver);
+	return platform_driver_register(&data_of_driver);
 }
 
 static void __exit data_exit(void)
 {
-	of_unregister_platform_driver(&data_of_driver);
+	platform_driver_unregister(&data_of_driver);
 }
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig
index 26cf12ca7f50..701edf658970 100644
--- a/drivers/misc/eeprom/Kconfig
+++ b/drivers/misc/eeprom/Kconfig
@@ -85,7 +85,7 @@ config EEPROM_93XX46
 
 config EEPROM_DIGSY_MTC_CFG
 	bool "DigsyMTC display configuration EEPROMs device"
-	depends on PPC_MPC5200_GPIO && GPIOLIB && SPI_GPIO
+	depends on GPIO_MPC5200 && SPI_GPIO
 	help
 	  This option enables access to display configuration EEPROMs
 	  on digsy_mtc board. You have to additionally select Microwire
diff --git a/drivers/misc/eeprom/eeprom_93cx6.c b/drivers/misc/eeprom/eeprom_93cx6.c
index 7b33de95c4bf..0ff4b02177be 100644
--- a/drivers/misc/eeprom/eeprom_93cx6.c
+++ b/drivers/misc/eeprom/eeprom_93cx6.c
@@ -63,6 +63,7 @@ static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)
 	eeprom->reg_data_out = 0;
 	eeprom->reg_data_clock = 0;
 	eeprom->reg_chip_select = 1;
+	eeprom->drive_data = 1;
 	eeprom->register_write(eeprom);
 
 	/*
@@ -101,6 +102,7 @@ static void eeprom_93cx6_write_bits(struct eeprom_93cx6 *eeprom,
 	 */
 	eeprom->reg_data_in = 0;
 	eeprom->reg_data_out = 0;
+	eeprom->drive_data = 1;
 
 	/*
 	 * Start writing all bits.
@@ -140,6 +142,7 @@ static void eeprom_93cx6_read_bits(struct eeprom_93cx6 *eeprom,
 	 */
 	eeprom->reg_data_in = 0;
 	eeprom->reg_data_out = 0;
+	eeprom->drive_data = 0;
 
 	/*
 	 * Start reading all bits.
@@ -231,3 +234,88 @@ void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, const u8 word,
 }
 EXPORT_SYMBOL_GPL(eeprom_93cx6_multiread);
 
+/**
+ * eeprom_93cx6_wren - set the write enable state
+ * @eeprom: Pointer to eeprom structure
+ * @enable: true to enable writes, otherwise disable writes
+ *
+ * Set the EEPROM write enable state to either allow or deny
+ * writes depending on the @enable value.
+ */
+void eeprom_93cx6_wren(struct eeprom_93cx6 *eeprom, bool enable)
+{
+	u16 command;
+
+	/* start the command */
+	eeprom_93cx6_startup(eeprom);
+
+	/* create command to enable/disable */
+
+	command = enable ? PCI_EEPROM_EWEN_OPCODE : PCI_EEPROM_EWDS_OPCODE;
+	command <<= (eeprom->width - 2);
+
+	eeprom_93cx6_write_bits(eeprom, command,
+				PCI_EEPROM_WIDTH_OPCODE + eeprom->width);
+
+	eeprom_93cx6_cleanup(eeprom);
+}
+EXPORT_SYMBOL_GPL(eeprom_93cx6_wren);
+
+/**
+ * eeprom_93cx6_write - write data to the EEPROM
+ * @eeprom: Pointer to eeprom structure
+ * @addr: Address to write data to.
+ * @data: The data to write to address @addr.
+ *
+ * Write the @data to the specified @addr in the EEPROM and
+ * waiting for the device to finish writing.
+ *
+ * Note, since we do not expect large number of write operations
+ * we delay in between parts of the operation to avoid using excessive
+ * amounts of CPU time busy waiting.
+ */
+void eeprom_93cx6_write(struct eeprom_93cx6 *eeprom, u8 addr, u16 data)
+{
+	int timeout = 100;
+	u16 command;
+
+	/* start the command */
+	eeprom_93cx6_startup(eeprom);
+
+	command = PCI_EEPROM_WRITE_OPCODE << eeprom->width;
+	command |= addr;
+
+	/* send write command */
+	eeprom_93cx6_write_bits(eeprom, command,
+				PCI_EEPROM_WIDTH_OPCODE + eeprom->width);
+
+	/* send data */
+	eeprom_93cx6_write_bits(eeprom, data, 16);
+
+	/* get ready to check for busy */
+	eeprom->drive_data = 0;
+	eeprom->reg_chip_select = 1;
+	eeprom->register_write(eeprom);
+
+	/* wait at-least 250ns to get DO to be the busy signal */
+	usleep_range(1000, 2000);
+
+	/* wait for DO to go high to signify finish */
+
+	while (true) {
+		eeprom->register_read(eeprom);
+
+		if (eeprom->reg_data_out)
+			break;
+
+		usleep_range(1000, 2000);
+
+		if (--timeout <= 0) {
+			printk(KERN_ERR "%s: timeout\n", __func__);
+			break;
+		}
+	}
+
+	eeprom_93cx6_cleanup(eeprom);
+}
+EXPORT_SYMBOL_GPL(eeprom_93cx6_write);
diff --git a/drivers/misc/ibmasm/command.c b/drivers/misc/ibmasm/command.c
index 5c766b4fb238..7d56f45dee19 100644
--- a/drivers/misc/ibmasm/command.c
+++ b/drivers/misc/ibmasm/command.c
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/dot_command.c b/drivers/misc/ibmasm/dot_command.c
index 3dd2dfb8da17..d7b2ca358b23 100644
--- a/drivers/misc/ibmasm/dot_command.c
+++ b/drivers/misc/ibmasm/dot_command.c
@@ -17,7 +17,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/dot_command.h b/drivers/misc/ibmasm/dot_command.h
index 6cbba1afef35..fc9fc9d4e087 100644
--- a/drivers/misc/ibmasm/dot_command.h
+++ b/drivers/misc/ibmasm/dot_command.h
@@ -17,7 +17,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/event.c b/drivers/misc/ibmasm/event.c
index 76bfda1ffaa9..8e540f4e9d52 100644
--- a/drivers/misc/ibmasm/event.c
+++ b/drivers/misc/ibmasm/event.c
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/heartbeat.c b/drivers/misc/ibmasm/heartbeat.c
index 1bc4306572a4..90746378f9b7 100644
--- a/drivers/misc/ibmasm/heartbeat.c
+++ b/drivers/misc/ibmasm/heartbeat.c
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/i2o.h b/drivers/misc/ibmasm/i2o.h
index bf2c738d2b72..2e9566dab2b1 100644
--- a/drivers/misc/ibmasm/i2o.h
+++ b/drivers/misc/ibmasm/i2o.h
@@ -17,7 +17,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h
index 4d8a4e248b34..9b083448814d 100644
--- a/drivers/misc/ibmasm/ibmasm.h
+++ b/drivers/misc/ibmasm/ibmasm.h
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 89947723a27d..35361753b487 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -17,7 +17,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/lowlevel.c b/drivers/misc/ibmasm/lowlevel.c
index 4b2398e27fd5..5319ea261c05 100644
--- a/drivers/misc/ibmasm/lowlevel.c
+++ b/drivers/misc/ibmasm/lowlevel.c
@@ -17,7 +17,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/lowlevel.h b/drivers/misc/ibmasm/lowlevel.h
index 766766523a60..e97848f51b3f 100644
--- a/drivers/misc/ibmasm/lowlevel.h
+++ b/drivers/misc/ibmasm/lowlevel.h
@@ -17,7 +17,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index a234d965243b..1ccedb71e728 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  * This driver is based on code originally written by Pete Reynolds
  * and others.
diff --git a/drivers/misc/ibmasm/r_heartbeat.c b/drivers/misc/ibmasm/r_heartbeat.c
index 2de487ac788c..232034f5da48 100644
--- a/drivers/misc/ibmasm/r_heartbeat.c
+++ b/drivers/misc/ibmasm/r_heartbeat.c
@@ -16,7 +16,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/ibmasm/remote.h b/drivers/misc/ibmasm/remote.h
index 00dbf1d4373a..a7729ef76acb 100644
--- a/drivers/misc/ibmasm/remote.h
+++ b/drivers/misc/ibmasm/remote.h
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  * Originally written by Pete Reynolds
  */
diff --git a/drivers/misc/ibmasm/uart.c b/drivers/misc/ibmasm/uart.c
index 93baa350d698..1dcb9ae1905a 100644
--- a/drivers/misc/ibmasm/uart.c
+++ b/drivers/misc/ibmasm/uart.c
@@ -18,7 +18,7 @@
  *
  * Copyright (C) IBM Corporation, 2004
  *
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
  *
  */
 
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index dee33addcaeb..10fc4785dba7 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 @@ struct pch_phub_reg {
 	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 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data)
 	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 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 	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 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 	}
 
 	/* 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 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 		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 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 	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 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 		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 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 	}
 
 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 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr,
 {
 	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 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
 			     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 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
 		(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 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
 	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 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
 		"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 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
 		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 @@ exit_bin_attr:
 	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 @@ static void __devexit pch_phub_remove(struct pci_dev *pdev)
 
 	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 @@ static struct pci_device_id pch_phub_pcidev_id[] = {
 	{ 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 @@ static void __exit pch_phub_pci_exit(void)
 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/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index 7768b87d995b..950dbe9ecb36 100644
--- a/drivers/misc/sgi-gru/gruprocfs.c
+++ b/drivers/misc/sgi-gru/gruprocfs.c
@@ -324,7 +324,7 @@ static const struct file_operations gru_fops = {
 
 static struct proc_entry {
 	char *name;
-	int mode;
+	umode_t mode;
 	const struct file_operations *fops;
 	struct proc_dir_entry *entry;
 } proc_files[] = {
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index 42f067347bc7..3fac67a5204c 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -576,7 +576,7 @@ xpnet_init(void)
 	 * report an error if the data is not retrievable and the
 	 * packet will be dropped.
 	 */
-	xpnet_device->features = NETIF_F_NO_CSUM;
+	xpnet_device->features = NETIF_F_HW_CSUM;
 
 	result = register_netdev(xpnet_device);
 	if (result != 0) {
diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c
index cfbddbef11de..43d073bc1d9c 100644
--- a/drivers/misc/spear13xx_pcie_gadget.c
+++ b/drivers/misc/spear13xx_pcie_gadget.c
@@ -903,6 +903,6 @@ static void __exit spear_pcie_gadget_exit(void)
 }
 module_exit(spear_pcie_gadget_exit);
 
-MODULE_ALIAS("pcie-gadget-spear");
+MODULE_ALIAS("platform:pcie-gadget-spear");
 MODULE_AUTHOR("Pratyush Anand");
 MODULE_LICENSE("GPL");