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-rw-r--r--drivers/i2c/chips/ds1337.c8
-rw-r--r--drivers/i2c/chips/ds1374.c12
-rw-r--r--drivers/i2c/chips/eeprom.c8
-rw-r--r--drivers/i2c/chips/isp1301_omap.c6
-rw-r--r--drivers/i2c/chips/m41t00.c9
-rw-r--r--drivers/i2c/chips/max6875.c25
-rw-r--r--drivers/i2c/chips/pca9539.c11
-rw-r--r--drivers/i2c/chips/pcf8574.c22
-rw-r--r--drivers/i2c/chips/pcf8591.c58
-rw-r--r--drivers/i2c/chips/tps65010.c4
10 files changed, 123 insertions, 40 deletions
diff --git a/drivers/i2c/chips/ds1337.c b/drivers/i2c/chips/ds1337.c
index 93d483b8b77..ec17d6b684a 100644
--- a/drivers/i2c/chips/ds1337.c
+++ b/drivers/i2c/chips/ds1337.c
@@ -347,13 +347,19 @@ static void ds1337_init_client(struct i2c_client *client)
if ((status & 0x80) || (control & 0x80)) {
/* RTC not running */
- u8 buf[16];
+ u8 buf[1+16]; /* First byte is interpreted as address */
struct i2c_msg msg[1];
dev_dbg(&client->dev, "%s: RTC not running!\n", __FUNCTION__);
/* Initialize all, including STATUS and CONTROL to zero */
memset(buf, 0, sizeof(buf));
+
+ /* Write valid values in the date/time registers */
+ buf[1+DS1337_REG_DAY] = 1;
+ buf[1+DS1337_REG_DATE] = 1;
+ buf[1+DS1337_REG_MONTH] = 1;
+
msg[0].addr = client->addr;
msg[0].flags = 0;
msg[0].len = sizeof(buf);
diff --git a/drivers/i2c/chips/ds1374.c b/drivers/i2c/chips/ds1374.c
index 4630f1969a0..15edf40828b 100644
--- a/drivers/i2c/chips/ds1374.c
+++ b/drivers/i2c/chips/ds1374.c
@@ -140,12 +140,14 @@ ulong ds1374_get_rtc_time(void)
return t1;
}
-static void ds1374_set_work(void *arg)
+static ulong new_time;
+
+static void ds1374_set_work(struct work_struct *work)
{
ulong t1, t2;
int limit = 10; /* arbitrary retry limit */
- t1 = *(ulong *) arg;
+ t1 = new_time;
mutex_lock(&ds1374_mutex);
@@ -167,11 +169,9 @@ static void ds1374_set_work(void *arg)
"can't confirm time set from rtc chip\n");
}
-static ulong new_time;
-
static struct workqueue_struct *ds1374_workqueue;
-static DECLARE_WORK(ds1374_work, ds1374_set_work, &new_time);
+static DECLARE_WORK(ds1374_work, ds1374_set_work);
int ds1374_set_rtc_time(ulong nowtime)
{
@@ -180,7 +180,7 @@ int ds1374_set_rtc_time(ulong nowtime)
if (in_interrupt())
queue_work(ds1374_workqueue, &ds1374_work);
else
- ds1374_set_work(&new_time);
+ ds1374_set_work(NULL);
return 0;
}
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
index 13c108269a6..cec3a0c3894 100644
--- a/drivers/i2c/chips/eeprom.c
+++ b/drivers/i2c/chips/eeprom.c
@@ -209,10 +209,14 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* create the sysfs eeprom file */
- sysfs_create_bin_file(&new_client->dev.kobj, &eeprom_attr);
+ err = sysfs_create_bin_file(&new_client->dev.kobj, &eeprom_attr);
+ if (err)
+ goto exit_detach;
return 0;
+exit_detach:
+ i2c_detach_client(new_client);
exit_kfree:
kfree(data);
exit:
@@ -223,6 +227,8 @@ static int eeprom_detach_client(struct i2c_client *client)
{
int err;
+ sysfs_remove_bin_file(&client->dev.kobj, &eeprom_attr);
+
err = i2c_detach_client(client);
if (err)
return err;
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
index f92505b94c6..ccdf3e90862 100644
--- a/drivers/i2c/chips/isp1301_omap.c
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -30,7 +30,7 @@
#include <linux/usb_ch9.h>
#include <linux/usb_gadget.h>
#include <linux/usb.h>
-#include <linux/usb_otg.h>
+#include <linux/usb/otg.h>
#include <linux/i2c.h>
#include <linux/workqueue.h>
@@ -669,7 +669,7 @@ pulldown:
dump_regs(isp, "otg->isp1301");
}
-static irqreturn_t omap_otg_irq(int irq, void *_isp, struct pt_regs *regs)
+static irqreturn_t omap_otg_irq(int irq, void *_isp)
{
u16 otg_irq = OTG_IRQ_SRC_REG;
u32 otg_ctrl;
@@ -1181,7 +1181,7 @@ isp1301_work(void *data)
isp->working = 0;
}
-static irqreturn_t isp1301_irq(int irq, void *isp, struct pt_regs *regs)
+static irqreturn_t isp1301_irq(int irq, void *isp)
{
isp1301_defer_work(isp, WORK_UPDATE_OTG);
return IRQ_HANDLED;
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c
index 2dd0a34d947..420377c8642 100644
--- a/drivers/i2c/chips/m41t00.c
+++ b/drivers/i2c/chips/m41t00.c
@@ -215,8 +215,15 @@ m41t00_set(void *arg)
}
static ulong new_time;
+/* well, isn't this API just _lovely_? */
+static void
+m41t00_barf(struct work_struct *unusable)
+{
+ m41t00_set(&new_time);
+}
+
static struct workqueue_struct *m41t00_wq;
-static DECLARE_WORK(m41t00_work, m41t00_set, &new_time);
+static DECLARE_WORK(m41t00_work, m41t00_barf);
int
m41t00_set_rtc_time(ulong nowtime)
diff --git a/drivers/i2c/chips/max6875.c b/drivers/i2c/chips/max6875.c
index 88d2ddee449..76645c14297 100644
--- a/drivers/i2c/chips/max6875.c
+++ b/drivers/i2c/chips/max6875.c
@@ -199,8 +199,7 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind)
mutex_init(&data->update_lock);
/* Init fake client data */
- /* set the client data to the i2c_client so that it will get freed */
- i2c_set_clientdata(fake_client, fake_client);
+ i2c_set_clientdata(fake_client, NULL);
fake_client->addr = address | 1;
fake_client->adapter = adapter;
fake_client->driver = &max6875_driver;
@@ -214,13 +213,17 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_kfree2;
if ((err = i2c_attach_client(fake_client)) != 0)
- goto exit_detach;
+ goto exit_detach1;
- sysfs_create_bin_file(&real_client->dev.kobj, &user_eeprom_attr);
+ err = sysfs_create_bin_file(&real_client->dev.kobj, &user_eeprom_attr);
+ if (err)
+ goto exit_detach2;
return 0;
-exit_detach:
+exit_detach2:
+ i2c_detach_client(fake_client);
+exit_detach1:
i2c_detach_client(real_client);
exit_kfree2:
kfree(fake_client);
@@ -229,14 +232,24 @@ exit_kfree1:
return err;
}
+/* Will be called for both the real client and the fake client */
static int max6875_detach_client(struct i2c_client *client)
{
int err;
+ struct max6875_data *data = i2c_get_clientdata(client);
+
+ /* data is NULL for the fake client */
+ if (data)
+ sysfs_remove_bin_file(&client->dev.kobj, &user_eeprom_attr);
err = i2c_detach_client(client);
if (err)
return err;
- kfree(i2c_get_clientdata(client));
+
+ if (data) /* real client */
+ kfree(data);
+ else /* fake client */
+ kfree(client);
return 0;
}
diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c
index cb22280cdd2..f43c4e79b55 100644
--- a/drivers/i2c/chips/pca9539.c
+++ b/drivers/i2c/chips/pca9539.c
@@ -148,11 +148,16 @@ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind)
if ((err = i2c_attach_client(new_client)))
goto exit_kfree;
- /* Register sysfs hooks (don't care about failure) */
- sysfs_create_group(&new_client->dev.kobj, &pca9539_defattr_group);
+ /* Register sysfs hooks */
+ err = sysfs_create_group(&new_client->dev.kobj,
+ &pca9539_defattr_group);
+ if (err)
+ goto exit_detach;
return 0;
+exit_detach:
+ i2c_detach_client(new_client);
exit_kfree:
kfree(data);
exit:
@@ -163,6 +168,8 @@ static int pca9539_detach_client(struct i2c_client *client)
{
int err;
+ sysfs_remove_group(&client->dev.kobj, &pca9539_defattr_group);
+
if ((err = i2c_detach_client(client)))
return err;
diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index c3e6449c448..32b25427eab 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -105,6 +105,16 @@ static ssize_t set_write(struct device *dev, struct device_attribute *attr, cons
static DEVICE_ATTR(write, S_IWUSR | S_IRUGO, show_write, set_write);
+static struct attribute *pcf8574_attributes[] = {
+ &dev_attr_read.attr,
+ &dev_attr_write.attr,
+ NULL
+};
+
+static const struct attribute_group pcf8574_attr_group = {
+ .attrs = pcf8574_attributes,
+};
+
/*
* Real code
*/
@@ -166,13 +176,13 @@ static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
pcf8574_init_client(new_client);
/* Register sysfs hooks */
- device_create_file(&new_client->dev, &dev_attr_read);
- device_create_file(&new_client->dev, &dev_attr_write);
+ err = sysfs_create_group(&new_client->dev.kobj, &pcf8574_attr_group);
+ if (err)
+ goto exit_detach;
return 0;
-/* OK, this is not exactly good programming practice, usually. But it is
- very code-efficient in this case. */
-
+ exit_detach:
+ i2c_detach_client(new_client);
exit_free:
kfree(data);
exit:
@@ -183,6 +193,8 @@ static int pcf8574_detach_client(struct i2c_client *client)
{
int err;
+ sysfs_remove_group(&client->dev.kobj, &pcf8574_attr_group);
+
if ((err = i2c_detach_client(client)))
return err;
diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/i2c/chips/pcf8591.c
index 925a6b371fd..4dc36376eb3 100644
--- a/drivers/i2c/chips/pcf8591.c
+++ b/drivers/i2c/chips/pcf8591.c
@@ -158,6 +158,28 @@ static ssize_t set_out0_enable(struct device *dev, struct device_attribute *attr
static DEVICE_ATTR(out0_enable, S_IWUSR | S_IRUGO,
show_out0_enable, set_out0_enable);
+static struct attribute *pcf8591_attributes[] = {
+ &dev_attr_out0_enable.attr,
+ &dev_attr_out0_output.attr,
+ &dev_attr_in0_input.attr,
+ &dev_attr_in1_input.attr,
+ NULL
+};
+
+static const struct attribute_group pcf8591_attr_group = {
+ .attrs = pcf8591_attributes,
+};
+
+static struct attribute *pcf8591_attributes_opt[] = {
+ &dev_attr_in2_input.attr,
+ &dev_attr_in3_input.attr,
+ NULL
+};
+
+static const struct attribute_group pcf8591_attr_group_opt = {
+ .attrs = pcf8591_attributes_opt,
+};
+
/*
* Real code
*/
@@ -211,24 +233,31 @@ static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
pcf8591_init_client(new_client);
/* Register sysfs hooks */
- device_create_file(&new_client->dev, &dev_attr_out0_enable);
- device_create_file(&new_client->dev, &dev_attr_out0_output);
- device_create_file(&new_client->dev, &dev_attr_in0_input);
- device_create_file(&new_client->dev, &dev_attr_in1_input);
+ err = sysfs_create_group(&new_client->dev.kobj, &pcf8591_attr_group);
+ if (err)
+ goto exit_detach;
/* Register input2 if not in "two differential inputs" mode */
- if (input_mode != 3 )
- device_create_file(&new_client->dev, &dev_attr_in2_input);
-
+ if (input_mode != 3) {
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_in2_input)))
+ goto exit_sysfs_remove;
+ }
+
/* Register input3 only in "four single ended inputs" mode */
- if (input_mode == 0)
- device_create_file(&new_client->dev, &dev_attr_in3_input);
-
+ if (input_mode == 0) {
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_in3_input)))
+ goto exit_sysfs_remove;
+ }
+
return 0;
-
- /* OK, this is not exactly good programming practice, usually. But it is
- very code-efficient in this case. */
+exit_sysfs_remove:
+ sysfs_remove_group(&new_client->dev.kobj, &pcf8591_attr_group_opt);
+ sysfs_remove_group(&new_client->dev.kobj, &pcf8591_attr_group);
+exit_detach:
+ i2c_detach_client(new_client);
exit_kfree:
kfree(data);
exit:
@@ -239,6 +268,9 @@ static int pcf8591_detach_client(struct i2c_client *client)
{
int err;
+ sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
+
if ((err = i2c_detach_client(client)))
return err;
diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
index 0be6fd6a267..60bef94cd25 100644
--- a/drivers/i2c/chips/tps65010.c
+++ b/drivers/i2c/chips/tps65010.c
@@ -305,7 +305,7 @@ static int dbg_show(struct seq_file *s, void *_)
static int dbg_tps_open(struct inode *inode, struct file *file)
{
- return single_open(file, dbg_show, inode->u.generic_ip);
+ return single_open(file, dbg_show, inode->i_private);
}
static struct file_operations debug_fops = {
@@ -446,7 +446,7 @@ static void tps65010_work(void *_tps)
mutex_unlock(&tps->lock);
}
-static irqreturn_t tps65010_irq(int irq, void *_tps, struct pt_regs *regs)
+static irqreturn_t tps65010_irq(int irq, void *_tps)
{
struct tps65010 *tps = _tps;