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-rw-r--r--drivers/misc/Kconfig8
-rw-r--r--drivers/misc/Makefile1
-rw-r--r--drivers/misc/ab8500-pwm.c2
-rw-r--r--drivers/misc/ad525x_dpot-i2c.c10
-rw-r--r--drivers/misc/ad525x_dpot-spi.c97
-rw-r--r--drivers/misc/ad525x_dpot.c24
-rw-r--r--drivers/misc/ad525x_dpot.h8
-rw-r--r--drivers/misc/bmp085.c2
-rw-r--r--drivers/misc/carma/carma-fpga-program.c2
-rw-r--r--drivers/misc/eeprom/eeprom_93cx6.c88
-rw-r--r--drivers/misc/ibmasm/command.c2
-rw-r--r--drivers/misc/ibmasm/dot_command.c2
-rw-r--r--drivers/misc/ibmasm/dot_command.h2
-rw-r--r--drivers/misc/ibmasm/event.c2
-rw-r--r--drivers/misc/ibmasm/heartbeat.c2
-rw-r--r--drivers/misc/ibmasm/i2o.h2
-rw-r--r--drivers/misc/ibmasm/ibmasm.h2
-rw-r--r--drivers/misc/ibmasm/ibmasmfs.c2
-rw-r--r--drivers/misc/ibmasm/lowlevel.c2
-rw-r--r--drivers/misc/ibmasm/lowlevel.h2
-rw-r--r--drivers/misc/ibmasm/module.c2
-rw-r--r--drivers/misc/ibmasm/r_heartbeat.c2
-rw-r--r--drivers/misc/ibmasm/remote.h2
-rw-r--r--drivers/misc/ibmasm/uart.c2
-rw-r--r--drivers/misc/isl29020.c2
-rw-r--r--drivers/misc/iwmc3200top/main.c12
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d.c2
-rw-r--r--drivers/misc/max8997-muic.c505
-rw-r--r--drivers/misc/sgi-gru/gruprocfs.c2
-rw-r--r--drivers/misc/sgi-xp/xpnet.c2
-rw-r--r--drivers/misc/ti-st/st_core.c18
-rw-r--r--drivers/misc/ti-st/st_kim.c84
32 files changed, 751 insertions, 146 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 5664696f2d3..6a1a092db14 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -500,6 +500,14 @@ config USB_SWITCH_FSA9480
stereo and mono audio, video, microphone and UART data to use
a common connector port.
+config MAX8997_MUIC
+ tristate "MAX8997 MUIC Support"
+ depends on MFD_MAX8997
+ help
+ If you say yes here you get support for the MUIC device of
+ Maxim MAX8997 PMIC.
+ The MAX8997 MUIC is a USB port accessory detector and switch.
+
source "drivers/misc/c2port/Kconfig"
source "drivers/misc/eeprom/Kconfig"
source "drivers/misc/cb710/Kconfig"
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index b26495a0255..3e1d80106f0 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -48,3 +48,4 @@ obj-y += lis3lv02d/
obj-y += carma/
obj-$(CONFIG_USB_SWITCH_FSA9480) += fsa9480.o
obj-$(CONFIG_ALTERA_STAPL) +=altera-stapl/
+obj-$(CONFIG_MAX8997_MUIC) += max8997-muic.o
diff --git a/drivers/misc/ab8500-pwm.c b/drivers/misc/ab8500-pwm.c
index 2208a9d5262..d7a9aa14e5d 100644
--- a/drivers/misc/ab8500-pwm.c
+++ b/drivers/misc/ab8500-pwm.c
@@ -8,8 +8,8 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/pwm.h>
-#include <linux/mfd/ab8500.h>
#include <linux/mfd/abx500.h>
+#include <linux/mfd/abx500/ab8500.h>
#include <linux/module.h>
/*
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
index a39e0555df6..83adab69bfd 100644
--- a/drivers/misc/ad525x_dpot-i2c.c
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -1,7 +1,7 @@
/*
* Driver for the Analog Devices digital potentiometers (I2C bus)
*
- * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
+ * Copyright (C) 2010-2011 Michael Hennerich, Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
@@ -11,7 +11,6 @@
#include "ad525x_dpot.h"
-/* ------------------------------------------------------------------------- */
/* I2C bus functions */
static int write_d8(void *client, u8 val)
{
@@ -60,18 +59,13 @@ static int __devinit ad_dpot_i2c_probe(struct i2c_client *client,
.bops = &bops,
};
- struct ad_dpot_id dpot_id = {
- .name = (char *) &id->name,
- .devid = id->driver_data,
- };
-
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WORD_DATA)) {
dev_err(&client->dev, "SMBUS Word Data not Supported\n");
return -EIO;
}
- return ad_dpot_probe(&client->dev, &bdata, &dpot_id);
+ return ad_dpot_probe(&client->dev, &bdata, id->driver_data, id->name);
}
static int __devexit ad_dpot_i2c_remove(struct i2c_client *client)
diff --git a/drivers/misc/ad525x_dpot-spi.c b/drivers/misc/ad525x_dpot-spi.c
index 7f9a55afe05..822749e41fe 100644
--- a/drivers/misc/ad525x_dpot-spi.c
+++ b/drivers/misc/ad525x_dpot-spi.c
@@ -1,7 +1,7 @@
/*
* Driver for the Analog Devices digital potentiometers (SPI bus)
*
- * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
+ * Copyright (C) 2010-2011 Michael Hennerich, Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
@@ -11,40 +11,6 @@
#include "ad525x_dpot.h"
-static const struct ad_dpot_id ad_dpot_spi_devlist[] = {
- {.name = "ad5160", .devid = AD5160_ID},
- {.name = "ad5161", .devid = AD5161_ID},
- {.name = "ad5162", .devid = AD5162_ID},
- {.name = "ad5165", .devid = AD5165_ID},
- {.name = "ad5200", .devid = AD5200_ID},
- {.name = "ad5201", .devid = AD5201_ID},
- {.name = "ad5203", .devid = AD5203_ID},
- {.name = "ad5204", .devid = AD5204_ID},
- {.name = "ad5206", .devid = AD5206_ID},
- {.name = "ad5207", .devid = AD5207_ID},
- {.name = "ad5231", .devid = AD5231_ID},
- {.name = "ad5232", .devid = AD5232_ID},
- {.name = "ad5233", .devid = AD5233_ID},
- {.name = "ad5235", .devid = AD5235_ID},
- {.name = "ad5260", .devid = AD5260_ID},
- {.name = "ad5262", .devid = AD5262_ID},
- {.name = "ad5263", .devid = AD5263_ID},
- {.name = "ad5290", .devid = AD5290_ID},
- {.name = "ad5291", .devid = AD5291_ID},
- {.name = "ad5292", .devid = AD5292_ID},
- {.name = "ad5293", .devid = AD5293_ID},
- {.name = "ad7376", .devid = AD7376_ID},
- {.name = "ad8400", .devid = AD8400_ID},
- {.name = "ad8402", .devid = AD8402_ID},
- {.name = "ad8403", .devid = AD8403_ID},
- {.name = "adn2850", .devid = ADN2850_ID},
- {.name = "ad5270", .devid = AD5270_ID},
- {.name = "ad5271", .devid = AD5271_ID},
- {}
-};
-
-/* ------------------------------------------------------------------------- */
-
/* SPI bus functions */
static int write8(void *client, u8 val)
{
@@ -109,36 +75,16 @@ static const struct ad_dpot_bus_ops bops = {
.write_r8d8 = write16,
.write_r8d16 = write24,
};
-
-static const struct ad_dpot_id *dpot_match_id(const struct ad_dpot_id *id,
- char *name)
-{
- while (id->name && id->name[0]) {
- if (strcmp(name, id->name) == 0)
- return id;
- id++;
- }
- return NULL;
-}
-
static int __devinit ad_dpot_spi_probe(struct spi_device *spi)
{
- char *name = spi->dev.platform_data;
- const struct ad_dpot_id *dpot_id;
-
struct ad_dpot_bus_data bdata = {
.client = spi,
.bops = &bops,
};
- dpot_id = dpot_match_id(ad_dpot_spi_devlist, name);
-
- if (dpot_id == NULL) {
- dev_err(&spi->dev, "%s not in supported device list", name);
- return -ENODEV;
- }
-
- return ad_dpot_probe(&spi->dev, &bdata, dpot_id);
+ return ad_dpot_probe(&spi->dev, &bdata,
+ spi_get_device_id(spi)->driver_data,
+ spi_get_device_id(spi)->name);
}
static int __devexit ad_dpot_spi_remove(struct spi_device *spi)
@@ -146,14 +92,47 @@ static int __devexit ad_dpot_spi_remove(struct spi_device *spi)
return ad_dpot_remove(&spi->dev);
}
+static const struct spi_device_id ad_dpot_spi_id[] = {
+ {"ad5160", AD5160_ID},
+ {"ad5161", AD5161_ID},
+ {"ad5162", AD5162_ID},
+ {"ad5165", AD5165_ID},
+ {"ad5200", AD5200_ID},
+ {"ad5201", AD5201_ID},
+ {"ad5203", AD5203_ID},
+ {"ad5204", AD5204_ID},
+ {"ad5206", AD5206_ID},
+ {"ad5207", AD5207_ID},
+ {"ad5231", AD5231_ID},
+ {"ad5232", AD5232_ID},
+ {"ad5233", AD5233_ID},
+ {"ad5235", AD5235_ID},
+ {"ad5260", AD5260_ID},
+ {"ad5262", AD5262_ID},
+ {"ad5263", AD5263_ID},
+ {"ad5290", AD5290_ID},
+ {"ad5291", AD5291_ID},
+ {"ad5292", AD5292_ID},
+ {"ad5293", AD5293_ID},
+ {"ad7376", AD7376_ID},
+ {"ad8400", AD8400_ID},
+ {"ad8402", AD8402_ID},
+ {"ad8403", AD8403_ID},
+ {"adn2850", ADN2850_ID},
+ {"ad5270", AD5270_ID},
+ {"ad5271", AD5271_ID},
+ {}
+};
+MODULE_DEVICE_TABLE(spi, ad_dpot_spi_id);
+
static struct spi_driver ad_dpot_spi_driver = {
.driver = {
.name = "ad_dpot",
- .bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.probe = ad_dpot_spi_probe,
.remove = __devexit_p(ad_dpot_spi_remove),
+ .id_table = ad_dpot_spi_id,
};
static int __init ad_dpot_spi_init(void)
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 7cb911028d0..1d1d4261591 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -64,7 +64,7 @@
* Author: Chris Verges <chrisv@cyberswitching.com>
*
* derived from ad5252.c
- * Copyright (c) 2006 Michael Hennerich <hennerich@blackfin.uclinux.org>
+ * Copyright (c) 2006-2011 Michael Hennerich <hennerich@blackfin.uclinux.org>
*
* Licensed under the GPL-2 or later.
*/
@@ -76,8 +76,6 @@
#include <linux/delay.h>
#include <linux/slab.h>
-#define DRIVER_VERSION "0.2"
-
#include "ad525x_dpot.h"
/*
@@ -687,8 +685,9 @@ inline void ad_dpot_remove_files(struct device *dev,
}
}
-__devinit int ad_dpot_probe(struct device *dev,
- struct ad_dpot_bus_data *bdata, const struct ad_dpot_id *id)
+int __devinit ad_dpot_probe(struct device *dev,
+ struct ad_dpot_bus_data *bdata, unsigned long devid,
+ const char *name)
{
struct dpot_data *data;
@@ -704,13 +703,13 @@ __devinit int ad_dpot_probe(struct device *dev,
mutex_init(&data->update_lock);
data->bdata = *bdata;
- data->devid = id->devid;
+ data->devid = devid;
- data->max_pos = 1 << DPOT_MAX_POS(data->devid);
+ data->max_pos = 1 << DPOT_MAX_POS(devid);
data->rdac_mask = data->max_pos - 1;
- data->feat = DPOT_FEAT(data->devid);
- data->uid = DPOT_UID(data->devid);
- data->wipers = DPOT_WIPERS(data->devid);
+ data->feat = DPOT_FEAT(devid);
+ data->uid = DPOT_UID(devid);
+ data->wipers = DPOT_WIPERS(devid);
for (i = DPOT_RDAC0; i < MAX_RDACS; i++)
if (data->wipers & (1 << i)) {
@@ -731,7 +730,7 @@ __devinit int ad_dpot_probe(struct device *dev,
}
dev_info(dev, "%s %d-Position Digital Potentiometer registered\n",
- id->name, data->max_pos);
+ name, data->max_pos);
return 0;
@@ -745,7 +744,7 @@ exit_free:
dev_set_drvdata(dev, NULL);
exit:
dev_err(dev, "failed to create client for %s ID 0x%lX\n",
- id->name, id->devid);
+ name, devid);
return err;
}
EXPORT_SYMBOL(ad_dpot_probe);
@@ -770,4 +769,3 @@ MODULE_AUTHOR("Chris Verges <chrisv@cyberswitching.com>, "
"Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("Digital potentiometer driver");
MODULE_LICENSE("GPL");
-MODULE_VERSION(DRIVER_VERSION);
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 82b2cb77ae1..6bd1eba23bc 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -208,12 +208,8 @@ struct ad_dpot_bus_data {
const struct ad_dpot_bus_ops *bops;
};
-struct ad_dpot_id {
- char *name;
- unsigned long devid;
-};
-
-int ad_dpot_probe(struct device *dev, struct ad_dpot_bus_data *bdata, const struct ad_dpot_id *id);
+int ad_dpot_probe(struct device *dev, struct ad_dpot_bus_data *bdata,
+ unsigned long devid, const char *name);
int ad_dpot_remove(struct device *dev);
#endif
diff --git a/drivers/misc/bmp085.c b/drivers/misc/bmp085.c
index 5f898cb706a..b29a2be2459 100644
--- a/drivers/misc/bmp085.c
+++ b/drivers/misc/bmp085.c
@@ -216,7 +216,7 @@ static s32 bmp085_get_temperature(struct bmp085_data *data, int *temperature)
*temperature = (x1+x2+8) >> 4;
exit:
- return status;;
+ return status;
}
/*
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index eb5cd28bc6d..a2d25e4857e 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -513,7 +513,7 @@ static noinline int fpga_program_dma(struct fpga_dev *priv)
* transaction, and then put it under external control
*/
memset(&config, 0, sizeof(config));
- config.direction = DMA_TO_DEVICE;
+ config.direction = DMA_MEM_TO_DEV;
config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
config.dst_maxburst = fpga_fifo_size(priv->regs) / 2 / 4;
ret = chan->device->device_control(chan, DMA_SLAVE_CONFIG,
diff --git a/drivers/misc/eeprom/eeprom_93cx6.c b/drivers/misc/eeprom/eeprom_93cx6.c
index 7b33de95c4b..0ff4b02177b 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 5c766b4fb23..7d56f45dee1 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 3dd2dfb8da1..d7b2ca358b2 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 6cbba1afef3..fc9fc9d4e08 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 76bfda1ffaa..8e540f4e9d5 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 1bc4306572a..90746378f9b 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 bf2c738d2b7..2e9566dab2b 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 4d8a4e248b3..9b083448814 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 89947723a27..35361753b48 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 4b2398e27fd..5319ea261c0 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 766766523a6..e97848f51b3 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 a234d965243..1ccedb71e72 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 2de487ac788..232034f5da4 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 00dbf1d4373..a7729ef76ac 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 93baa350d69..1dcb9ae1905 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/isl29020.c b/drivers/misc/isl29020.c
index 307aada5fff..3d6cce663be 100644
--- a/drivers/misc/isl29020.c
+++ b/drivers/misc/isl29020.c
@@ -158,7 +158,7 @@ static int als_set_default_config(struct i2c_client *client)
dev_err(&client->dev, "default write failed.");
return retval;
}
- return 0;;
+ return 0;
}
static int isl29020_probe(struct i2c_client *client,
diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index b1f4563be9a..701eb600b12 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -376,20 +376,20 @@ static int blocks;
module_param(blocks, int, 0604);
MODULE_PARM_DESC(blocks, "max_blocks_to_send");
-static int dump;
+static bool dump;
module_param(dump, bool, 0604);
MODULE_PARM_DESC(dump, "dump_hex_content");
-static int jump = 1;
+static bool jump = 1;
module_param(jump, bool, 0604);
-static int direct = 1;
+static bool direct = 1;
module_param(direct, bool, 0604);
-static int checksum = 1;
+static bool checksum = 1;
module_param(checksum, bool, 0604);
-static int fw_download = 1;
+static bool fw_download = 1;
module_param(fw_download, bool, 0604);
static int block_size = IWMC_SDIO_BLK_SIZE;
@@ -398,7 +398,7 @@ module_param(block_size, int, 0404);
static int download_trans_blks = IWMC_DEFAULT_TR_BLK;
module_param(download_trans_blks, int, 0604);
-static int rubbish_barker;
+static bool rubbish_barker;
module_param(rubbish_barker, bool, 0604);
#ifdef CONFIG_IWMC3200TOP_DEBUG
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
index 29d12a70eb1..a981e2a42f9 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
@@ -111,6 +111,8 @@ static struct kernel_param_ops param_ops_axis = {
.get = param_get_int,
};
+#define param_check_axis(name, p) param_check_int(name, p)
+
module_param_array_named(axes, lis3_dev.ac.as_array, axis, NULL, 0644);
MODULE_PARM_DESC(axes, "Axis-mapping for x,y,z directions");
diff --git a/drivers/misc/max8997-muic.c b/drivers/misc/max8997-muic.c
new file mode 100644
index 00000000000..d74ef41aabd
--- /dev/null
+++ b/drivers/misc/max8997-muic.c
@@ -0,0 +1,505 @@
+/*
+ * max8997-muic.c - MAX8997 muic driver for the Maxim 8997
+ *
+ * Copyright (C) 2011 Samsung Electrnoics
+ * Donggeun Kim <dg77.kim@samsung.com>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/kobject.h>
+#include <linux/mfd/max8997.h>
+#include <linux/mfd/max8997-private.h>
+
+/* MAX8997-MUIC STATUS1 register */
+#define STATUS1_ADC_SHIFT 0
+#define STATUS1_ADCLOW_SHIFT 5
+#define STATUS1_ADCERR_SHIFT 6
+#define STATUS1_ADC_MASK (0x1f << STATUS1_ADC_SHIFT)
+#define STATUS1_ADCLOW_MASK (0x1 << STATUS1_ADCLOW_SHIFT)
+#define STATUS1_ADCERR_MASK (0x1 << STATUS1_ADCERR_SHIFT)
+
+/* MAX8997-MUIC STATUS2 register */
+#define STATUS2_CHGTYP_SHIFT 0
+#define STATUS2_CHGDETRUN_SHIFT 3
+#define STATUS2_DCDTMR_SHIFT 4
+#define STATUS2_DBCHG_SHIFT 5
+#define STATUS2_VBVOLT_SHIFT 6
+#define STATUS2_CHGTYP_MASK (0x7 << STATUS2_CHGTYP_SHIFT)
+#define STATUS2_CHGDETRUN_MASK (0x1 << STATUS2_CHGDETRUN_SHIFT)
+#define STATUS2_DCDTMR_MASK (0x1 << STATUS2_DCDTMR_SHIFT)
+#define STATUS2_DBCHG_MASK (0x1 << STATUS2_DBCHG_SHIFT)
+#define STATUS2_VBVOLT_MASK (0x1 << STATUS2_VBVOLT_SHIFT)
+
+/* MAX8997-MUIC STATUS3 register */
+#define STATUS3_OVP_SHIFT 2
+#define STATUS3_OVP_MASK (0x1 << STATUS3_OVP_SHIFT)
+
+/* MAX8997-MUIC CONTROL1 register */
+#define COMN1SW_SHIFT 0
+#define COMP2SW_SHIFT 3
+#define COMN1SW_MASK (0x7 << COMN1SW_SHIFT)
+#define COMP2SW_MASK (0x7 << COMP2SW_SHIFT)
+#define SW_MASK (COMP2SW_MASK | COMN1SW_MASK)
+
+#define MAX8997_SW_USB ((1 << COMP2SW_SHIFT) | (1 << COMN1SW_SHIFT))
+#define MAX8997_SW_AUDIO ((2 << COMP2SW_SHIFT) | (2 << COMN1SW_SHIFT))
+#define MAX8997_SW_UART ((3 << COMP2SW_SHIFT) | (3 << COMN1SW_SHIFT))
+#define MAX8997_SW_OPEN ((0 << COMP2SW_SHIFT) | (0 << COMN1SW_SHIFT))
+
+#define MAX8997_ADC_GROUND 0x00
+#define MAX8997_ADC_MHL 0x01
+#define MAX8997_ADC_JIG_USB_1 0x18
+#define MAX8997_ADC_JIG_USB_2 0x19
+#define MAX8997_ADC_DESKDOCK 0x1a
+#define MAX8997_ADC_JIG_UART 0x1c
+#define MAX8997_ADC_CARDOCK 0x1d
+#define MAX8997_ADC_OPEN 0x1f
+
+struct max8997_muic_irq {
+ unsigned int irq;
+ const char *name;
+};
+
+static struct max8997_muic_irq muic_irqs[] = {
+ { MAX8997_MUICIRQ_ADCError, "muic-ADC_error" },
+ { MAX8997_MUICIRQ_ADCLow, "muic-ADC_low" },
+ { MAX8997_MUICIRQ_ADC, "muic-ADC" },
+ { MAX8997_MUICIRQ_VBVolt, "muic-VB_voltage" },
+ { MAX8997_MUICIRQ_DBChg, "muic-DB_charger" },
+ { MAX8997_MUICIRQ_DCDTmr, "muic-DCD_timer" },
+ { MAX8997_MUICIRQ_ChgDetRun, "muic-CDR_status" },
+ { MAX8997_MUICIRQ_ChgTyp, "muic-charger_type" },
+ { MAX8997_MUICIRQ_OVP, "muic-over_voltage" },
+};
+
+struct max8997_muic_info {
+ struct device *dev;
+ struct max8997_dev *iodev;
+ struct i2c_client *muic;
+ struct max8997_muic_platform_data *muic_pdata;
+
+ int irq;
+ struct work_struct irq_work;
+
+ enum max8997_muic_charger_type pre_charger_type;
+ int pre_adc;
+
+ struct mutex mutex;
+};
+
+static int max8997_muic_handle_usb(struct max8997_muic_info *info,
+ enum max8997_muic_usb_type usb_type, bool attached)
+{
+ struct max8997_muic_platform_data *mdata = info->muic_pdata;
+ int ret = 0;
+
+ if (usb_type == MAX8997_USB_HOST) {
+ /* switch to USB */
+ ret = max8997_update_reg(info->muic, MAX8997_MUIC_REG_CONTROL1,
+ attached ? MAX8997_SW_USB : MAX8997_SW_OPEN,
+ SW_MASK);
+ if (ret) {
+ dev_err(info->dev, "failed to update muic register\n");
+ goto out;
+ }
+ }
+
+ if (mdata->usb_callback)
+ mdata->usb_callback(usb_type, attached);
+out:
+ return ret;
+}
+
+static void max8997_muic_handle_mhl(struct max8997_muic_info *info,
+ bool attached)
+{
+ struct max8997_muic_platform_data *mdata = info->muic_pdata;
+
+ if (mdata->mhl_callback)
+ mdata->mhl_callback(attached);
+}
+
+static int max8997_muic_handle_dock(struct max8997_muic_info *info,
+ int adc, bool attached)
+{
+ struct max8997_muic_platform_data *mdata = info->muic_pdata;
+ int ret = 0;
+
+ /* switch to AUDIO */
+ ret = max8997_update_reg(info->muic, MAX8997_MUIC_REG_CONTROL1,
+ attached ? MAX8997_SW_AUDIO : MAX8997_SW_OPEN,
+ SW_MASK);
+ if (ret) {
+ dev_err(info->dev, "failed to update muic register\n");
+ goto out;
+ }
+
+ switch (adc) {
+ case MAX8997_ADC_DESKDOCK:
+ if (mdata->deskdock_callback)
+ mdata->deskdock_callback(attached);
+ break;
+ case MAX8997_ADC_CARDOCK:
+ if (mdata->cardock_callback)
+ mdata->cardock_callback(attached);
+ break;
+ default:
+ break;
+ }
+out:
+ return ret;
+}
+
+static int max8997_muic_handle_jig_uart(struct max8997_muic_info *info,
+ bool attached)
+{
+ struct max8997_muic_platform_data *mdata = info->muic_pdata;
+ int ret = 0;
+
+ /* switch to UART */
+ ret = max8997_update_reg(info->muic, MAX8997_MUIC_REG_CONTROL1,
+ attached ? MAX8997_SW_UART : MAX8997_SW_OPEN,
+ SW_MASK);
+ if (ret) {
+ dev_err(info->dev, "failed to update muic register\n");
+ goto out;
+ }
+
+ if (mdata->uart_callback)
+ mdata->uart_callback(attached);
+out:
+ return ret;
+}
+
+static int max8997_muic_handle_adc_detach(struct max8997_muic_info *info)
+{
+ int ret = 0;
+
+ switch (info->pre_adc) {
+ case MAX8997_ADC_GROUND:
+ ret = max8997_muic_handle_usb(info, MAX8997_USB_HOST, false);
+ break;
+ case MAX8997_ADC_MHL:
+ max8997_muic_handle_mhl(info, false);
+ break;
+ case MAX8997_ADC_JIG_USB_1:
+ case MAX8997_ADC_JIG_USB_2:
+ ret = max8997_muic_handle_usb(info, MAX8997_USB_DEVICE, false);
+ break;
+ case MAX8997_ADC_DESKDOCK:
+ case MAX8997_ADC_CARDOCK:
+ ret = max8997_muic_handle_dock(info, info->pre_adc, false);
+ break;
+ case MAX8997_ADC_JIG_UART:
+ ret = max8997_muic_handle_jig_uart(info, false);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static int max8997_muic_handle_adc(struct max8997_muic_info *info, int adc)
+{
+ int ret = 0;
+
+ switch (adc) {
+ case MAX8997_ADC_GROUND:
+ ret = max8997_muic_handle_usb(info, MAX8997_USB_HOST, true);
+ break;
+ case MAX8997_ADC_MHL:
+ max8997_muic_handle_mhl(info, true);
+ break;
+ case MAX8997_ADC_JIG_USB_1:
+ case MAX8997_ADC_JIG_USB_2:
+ ret = max8997_muic_handle_usb(info, MAX8997_USB_DEVICE, true);
+ break;
+ case MAX8997_ADC_DESKDOCK:
+ case MAX8997_ADC_CARDOCK:
+ ret = max8997_muic_handle_dock(info, adc, true);
+ break;
+ case MAX8997_ADC_JIG_UART:
+ ret = max8997_muic_handle_jig_uart(info, true);
+ break;
+ case MAX8997_ADC_OPEN:
+ ret = max8997_muic_handle_adc_detach(info);
+ break;
+ default:
+ break;
+ }
+
+ info->pre_adc = adc;
+
+ return ret;
+}
+
+static int max8997_muic_handle_charger_type(struct max8997_muic_info *info,
+ enum max8997_muic_charger_type charger_type)
+{
+ struct max8997_muic_platform_data *mdata = info->muic_pdata;
+ u8 adc;
+ int ret;
+
+ ret = max8997_read_reg(info->muic, MAX8997_MUIC_REG_STATUS1, &adc);
+ if (ret) {
+ dev_err(info->dev, "failed to read muic register\n");
+ goto out;
+ }
+
+ switch (charger_type) {
+ case MAX8997_CHARGER_TYPE_NONE:
+ if (mdata->charger_callback)
+ mdata->charger_callback(false, charger_type);
+ if (info->pre_charger_type == MAX8997_CHARGER_TYPE_USB) {
+ max8997_muic_handle_usb(info,
+ MAX8997_USB_DEVICE, false);
+ }
+ break;
+ case MAX8997_CHARGER_TYPE_USB:
+ if ((adc & STATUS1_ADC_MASK) == MAX8997_ADC_OPEN) {
+ max8997_muic_handle_usb(info,
+ MAX8997_USB_DEVICE, true);
+ }
+ if (mdata->charger_callback)
+ mdata->charger_callback(true, charger_type);
+ break;
+ case MAX8997_CHARGER_TYPE_DOWNSTREAM_PORT:
+ case MAX8997_CHARGER_TYPE_DEDICATED_CHG:
+ case MAX8997_CHARGER_TYPE_500MA:
+ case MAX8997_CHARGER_TYPE_1A:
+ if (mdata->charger_callback)
+ mdata->charger_callback(true, charger_type);
+ break;
+ default:
+ break;
+ }
+
+ info->pre_charger_type = charger_type;
+out:
+ return ret;
+}
+
+static void max8997_muic_irq_work(struct work_struct *work)
+{
+ struct max8997_muic_info *info = container_of(work,
+ struct max8997_muic_info, irq_work);
+ struct max8997_platform_data *pdata =
+ dev_get_platdata(info->iodev->dev);
+ u8 status[3];
+ u8 adc, chg_type;
+
+ int irq_type = info->irq - pdata->irq_base;
+ int ret;
+
+ mutex_lock(&info->mutex);
+
+ ret = max8997_bulk_read(info->muic, MAX8997_MUIC_REG_STATUS1,
+ 3, status);
+ if (ret) {
+ dev_err(info->dev, "failed to read muic register\n");
+ mutex_unlock(&info->mutex);
+ return;
+ }
+
+ dev_dbg(info->dev, "%s: STATUS1:0x%x, 2:0x%x\n", __func__,
+ status[0], status[1]);
+
+ switch (irq_type) {
+ case MAX8997_MUICIRQ_ADC:
+ adc = status[0] & STATUS1_ADC_MASK;
+ adc >>= STATUS1_ADC_SHIFT;
+
+ max8997_muic_handle_adc(info, adc);
+ break;
+ case MAX8997_MUICIRQ_ChgTyp:
+ chg_type = status[1] & STATUS2_CHGTYP_MASK;
+ chg_type >>= STATUS2_CHGTYP_SHIFT;
+
+ max8997_muic_handle_charger_type(info, chg_type);
+ break;
+ default:
+ dev_info(info->dev, "misc interrupt: %s occurred\n",
+ muic_irqs[irq_type].name);
+ break;
+ }
+
+ mutex_unlock(&info->mutex);
+
+ return;
+}
+
+static irqreturn_t max8997_muic_irq_handler(int irq, void *data)
+{
+ struct max8997_muic_info *info = data;
+
+ dev_dbg(info->dev, "irq:%d\n", irq);
+ info->irq = irq;
+
+ schedule_work(&info->irq_work);
+
+ return IRQ_HANDLED;
+}
+
+static void max8997_muic_detect_dev(struct max8997_muic_info *info)
+{
+ int ret;
+ u8 status[2], adc, chg_type;
+
+ ret = max8997_bulk_read(info->muic, MAX8997_MUIC_REG_STATUS1,
+ 2, status);
+ if (ret) {
+ dev_err(info->dev, "failed to read muic register\n");
+ return;
+ }
+
+ dev_info(info->dev, "STATUS1:0x%x, STATUS2:0x%x\n",
+ status[0], status[1]);
+
+ adc = status[0] & STATUS1_ADC_MASK;
+ adc >>= STATUS1_ADC_SHIFT;
+
+ chg_type = status[1] & STATUS2_CHGTYP_MASK;
+ chg_type >>= STATUS2_CHGTYP_SHIFT;
+
+ max8997_muic_handle_adc(info, adc);
+ max8997_muic_handle_charger_type(info, chg_type);
+}
+
+static void max8997_initialize_device(struct max8997_muic_info *info)
+{
+ struct max8997_muic_platform_data *mdata = info->muic_pdata;
+ int i;
+
+ for (i = 0; i < mdata->num_init_data; i++) {
+ max8997_write_reg(info->muic, mdata->init_data[i].addr,
+ mdata->init_data[i].data);
+ }
+}
+
+static int __devinit max8997_muic_probe(struct platform_device *pdev)
+{
+ struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+ struct max8997_platform_data *pdata = dev_get_platdata(iodev->dev);
+ struct max8997_muic_info *info;
+ int ret, i;
+
+ info = kzalloc(sizeof(struct max8997_muic_info), GFP_KERNEL);
+ if (!info) {
+ dev_err(&pdev->dev, "failed to allocate memory\n");
+ ret = -ENOMEM;
+ goto err_kfree;
+ }
+
+ if (!pdata->muic_pdata) {
+ dev_err(&pdev->dev, "failed to get platform_data\n");
+ ret = -EINVAL;
+ goto err_pdata;
+ }
+ info->muic_pdata = pdata->muic_pdata;
+
+ info->dev = &pdev->dev;
+ info->iodev = iodev;
+ info->muic = iodev->muic;
+
+ platform_set_drvdata(pdev, info);
+ mutex_init(&info->mutex);
+
+ INIT_WORK(&info->irq_work, max8997_muic_irq_work);
+
+ for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
+ struct max8997_muic_irq *muic_irq = &muic_irqs[i];
+
+ ret = request_threaded_irq(pdata->irq_base + muic_irq->irq,
+ NULL, max8997_muic_irq_handler,
+ 0, muic_irq->name,
+ info);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed: irq request (IRQ: %d,"
+ " error :%d)\n",
+ muic_irq->irq, ret);
+
+ for (i = i - 1; i >= 0; i--)
+ free_irq(muic_irq->irq, info);
+
+ goto err_irq;
+ }
+ }
+
+ /* Initialize registers according to platform data */
+ max8997_initialize_device(info);
+
+ /* Initial device detection */
+ max8997_muic_detect_dev(info);
+
+ return ret;
+
+err_irq:
+err_pdata:
+ kfree(info);
+err_kfree:
+ return ret;
+}
+
+static int __devexit max8997_muic_remove(struct platform_device *pdev)
+{
+ struct max8997_muic_info *info = platform_get_drvdata(pdev);
+ struct max8997_platform_data *pdata =
+ dev_get_platdata(info->iodev->dev);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(muic_irqs); i++)
+ free_irq(pdata->irq_base + muic_irqs[i].irq, info);
+ cancel_work_sync(&info->irq_work);
+
+ kfree(info);
+
+ return 0;
+}
+
+static struct platform_driver max8997_muic_driver = {
+ .driver = {
+ .name = "max8997-muic",
+ .owner = THIS_MODULE,
+ },
+ .probe = max8997_muic_probe,
+ .remove = __devexit_p(max8997_muic_remove),
+};
+
+static int __init max8997_muic_init(void)
+{
+ return platform_driver_register(&max8997_muic_driver);
+}
+module_init(max8997_muic_init);
+
+static void __exit max8997_muic_exit(void)
+{
+ platform_driver_unregister(&max8997_muic_driver);
+}
+module_exit(max8997_muic_exit);
+
+MODULE_DESCRIPTION("Maxim MAX8997 MUIC driver");
+MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index 7768b87d995..950dbe9ecb3 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 42f067347bc..3fac67a5204 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/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index ba168a7d54d..2b62232c2c6 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -137,6 +137,8 @@ void st_send_frame(unsigned char chnl_id, struct st_data_s *st_gdata)
* st_reg_complete -
* to call registration complete callbacks
* of all protocol stack drivers
+ * This function is being called with spin lock held, protocol drivers are
+ * only expected to complete their waits and do nothing more than that.
*/
void st_reg_complete(struct st_data_s *st_gdata, char err)
{
@@ -538,11 +540,12 @@ long st_register(struct st_proto_s *new_proto)
set_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
st_recv = st_kim_recv;
+ /* enable the ST LL - to set default chip state */
+ st_ll_enable(st_gdata);
+
/* release lock previously held - re-locked below */
spin_unlock_irqrestore(&st_gdata->lock, flags);
- /* enable the ST LL - to set default chip state */
- st_ll_enable(st_gdata);
/* this may take a while to complete
* since it involves BT fw download
*/
@@ -553,10 +556,13 @@ long st_register(struct st_proto_s *new_proto)
(test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
pr_err(" KIM failure complete callback ");
st_reg_complete(st_gdata, err);
+ clear_bit(ST_REG_PENDING, &st_gdata->st_state);
}
return -EINVAL;
}
+ spin_lock_irqsave(&st_gdata->lock, flags);
+
clear_bit(ST_REG_IN_PROGRESS, &st_gdata->st_state);
st_recv = st_int_recv;
@@ -576,10 +582,10 @@ long st_register(struct st_proto_s *new_proto)
if (st_gdata->is_registered[new_proto->chnl_id] == true) {
pr_err(" proto %d already registered ",
new_proto->chnl_id);
+ spin_unlock_irqrestore(&st_gdata->lock, flags);
return -EALREADY;
}
- spin_lock_irqsave(&st_gdata->lock, flags);
add_channel_to_table(st_gdata, new_proto);
st_gdata->protos_registered++;
new_proto->write = st_write;
@@ -619,7 +625,7 @@ long st_unregister(struct st_proto_s *proto)
spin_lock_irqsave(&st_gdata->lock, flags);
- if (st_gdata->list[proto->chnl_id] == NULL) {
+ if (st_gdata->is_registered[proto->chnl_id] == false) {
pr_err(" chnl_id %d not registered", proto->chnl_id);
spin_unlock_irqrestore(&st_gdata->lock, flags);
return -EPROTONOSUPPORT;
@@ -629,6 +635,10 @@ long st_unregister(struct st_proto_s *proto)
remove_channel_from_table(st_gdata, proto);
spin_unlock_irqrestore(&st_gdata->lock, flags);
+ /* paranoid check */
+ if (st_gdata->protos_registered < ST_EMPTY)
+ st_gdata->protos_registered = ST_EMPTY;
+
if ((st_gdata->protos_registered == ST_EMPTY) &&
(!test_bit(ST_REG_PENDING, &st_gdata->st_state))) {
pr_info(" all chnl_ids unregistered ");
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 43ef8d162f2..a7a861ceee2 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -469,37 +469,21 @@ long st_kim_start(void *kim_data)
/* wait for ldisc to be installed */
err = wait_for_completion_timeout(&kim_gdata->ldisc_installed,
msecs_to_jiffies(LDISC_TIME));
- if (!err) { /* timeout */
- pr_err("line disc installation timed out ");
- kim_gdata->ldisc_install = 0;
- pr_info("ldisc_install = 0");
- sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
- NULL, "install");
- /* the following wait is never going to be completed,
- * since the ldisc was never installed, hence serving
- * as a mdelay of LDISC_TIME msecs */
- err = wait_for_completion_timeout
- (&kim_gdata->ldisc_installed,
- msecs_to_jiffies(LDISC_TIME));
- err = -ETIMEDOUT;
+ if (!err) {
+ /* ldisc installation timeout,
+ * flush uart, power cycle BT_EN */
+ pr_err("ldisc installation timeout");
+ err = st_kim_stop(kim_gdata);
continue;
} else {
/* ldisc installed now */
- pr_info(" line discipline installed ");
+ pr_info("line discipline installed");
err = download_firmware(kim_gdata);
if (err != 0) {
+ /* ldisc installed but fw download failed,
+ * flush uart & power cycle BT_EN */
pr_err("download firmware failed");
- kim_gdata->ldisc_install = 0;
- pr_info("ldisc_install = 0");
- sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
- NULL, "install");
- /* this wait might be completed, though in the
- * tty_close() since the ldisc is already
- * installed */
- err = wait_for_completion_timeout
- (&kim_gdata->ldisc_installed,
- msecs_to_jiffies(LDISC_TIME));
- err = -EINVAL;
+ err = st_kim_stop(kim_gdata);
continue;
} else { /* on success don't retry */
break;
@@ -510,8 +494,14 @@ long st_kim_start(void *kim_data)
}
/**
- * st_kim_stop - called from ST Core, on the last un-registration
- * toggle low the chip enable gpio
+ * st_kim_stop - stop communication with chip.
+ * This can be called from ST Core/KIM, on the-
+ * (a) last un-register when chip need not be powered there-after,
+ * (b) upon failure to either install ldisc or download firmware.
+ * The function is responsible to (a) notify UIM about un-installation,
+ * (b) flush UART if the ldisc was installed.
+ * (c) reset BT_EN - pull down nshutdown at the end.
+ * (d) invoke platform's chip disabling routine.
*/
long st_kim_stop(void *kim_data)
{
@@ -519,12 +509,16 @@ long st_kim_stop(void *kim_data)
struct kim_data_s *kim_gdata = (struct kim_data_s *)kim_data;
struct ti_st_plat_data *pdata =
kim_gdata->kim_pdev->dev.platform_data;
+ struct tty_struct *tty = kim_gdata->core_data->tty;
INIT_COMPLETION(kim_gdata->ldisc_installed);
- /* Flush any pending characters in the driver and discipline. */
- tty_ldisc_flush(kim_gdata->core_data->tty);
- tty_driver_flush_buffer(kim_gdata->core_data->tty);
+ if (tty) { /* can be called before ldisc is installed */
+ /* Flush any pending characters in the driver and discipline. */
+ tty_ldisc_flush(tty);
+ tty_driver_flush_buffer(tty);
+ tty->ops->flush_buffer(tty);
+ }
/* send uninstall notification to UIM */
pr_info("ldisc_install = 0");
@@ -579,6 +573,28 @@ static ssize_t show_install(struct device *dev,
return sprintf(buf, "%d\n", kim_data->ldisc_install);
}
+#ifdef DEBUG
+static ssize_t store_dev_name(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct kim_data_s *kim_data = dev_get_drvdata(dev);
+ pr_debug("storing dev name >%s<", buf);
+ strncpy(kim_data->dev_name, buf, count);
+ pr_debug("stored dev name >%s<", kim_data->dev_name);
+ return count;
+}
+
+static ssize_t store_baud_rate(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct kim_data_s *kim_data = dev_get_drvdata(dev);
+ pr_debug("storing baud rate >%s<", buf);
+ sscanf(buf, "%ld", &kim_data->baud_rate);
+ pr_debug("stored baud rate >%ld<", kim_data->baud_rate);
+ return count;
+}
+#endif /* if DEBUG */
+
static ssize_t show_dev_name(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -605,10 +621,18 @@ static struct kobj_attribute ldisc_install =
__ATTR(install, 0444, (void *)show_install, NULL);
static struct kobj_attribute uart_dev_name =
+#ifdef DEBUG /* TODO: move this to debug-fs if possible */
+__ATTR(dev_name, 0644, (void *)show_dev_name, (void *)store_dev_name);
+#else
__ATTR(dev_name, 0444, (void *)show_dev_name, NULL);
+#endif
static struct kobj_attribute uart_baud_rate =
+#ifdef DEBUG /* TODO: move to debugfs */
+__ATTR(baud_rate, 0644, (void *)show_baud_rate, (void *)store_baud_rate);
+#else
__ATTR(baud_rate, 0444, (void *)show_baud_rate, NULL);
+#endif
static struct kobj_attribute uart_flow_cntrl =
__ATTR(flow_cntrl, 0444, (void *)show_flow_cntrl, NULL);