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-rw-r--r--drivers/mfd/pcf50606-core.c81
1 files changed, 43 insertions, 38 deletions
diff --git a/drivers/mfd/pcf50606-core.c b/drivers/mfd/pcf50606-core.c
index 741a432586a..d610ff9346e 100644
--- a/drivers/mfd/pcf50606-core.c
+++ b/drivers/mfd/pcf50606-core.c
@@ -27,7 +27,7 @@
#include <linux/mfd/pcf50606/core.h>
-static int __pcf50606_read(struct pcf50606 *pcf, u8 reg, int num, u8 *data)
+static int __pcf50606_read(struct pcf50606 *pcf, uint8_t reg, int num, uint8_t *data)
{
int ret;
@@ -39,7 +39,7 @@ static int __pcf50606_read(struct pcf50606 *pcf, u8 reg, int num, u8 *data)
return ret;
}
-static int __pcf50606_write(struct pcf50606 *pcf, u8 reg, int num, u8 *data)
+static int __pcf50606_write(struct pcf50606 *pcf, uint8_t reg, int num, uint8_t *data)
{
int ret;
@@ -53,8 +53,8 @@ static int __pcf50606_write(struct pcf50606 *pcf, u8 reg, int num, u8 *data)
}
/* Read a block of upto 32 regs */
-int pcf50606_read_block(struct pcf50606 *pcf, u8 reg,
- int nr_regs, u8 *data)
+int pcf50606_read_block(struct pcf50606 *pcf, uint8_t reg,
+ int nr_regs, uint8_t *data)
{
int ret;
@@ -67,8 +67,8 @@ int pcf50606_read_block(struct pcf50606 *pcf, u8 reg,
EXPORT_SYMBOL_GPL(pcf50606_read_block);
/* Write a block of upto 32 regs */
-int pcf50606_write_block(struct pcf50606 *pcf , u8 reg,
- int nr_regs, u8 *data)
+int pcf50606_write_block(struct pcf50606 *pcf , uint8_t reg,
+ int nr_regs, uint8_t *data)
{
int ret;
@@ -80,9 +80,9 @@ int pcf50606_write_block(struct pcf50606 *pcf , u8 reg,
}
EXPORT_SYMBOL_GPL(pcf50606_write_block);
-u8 pcf50606_reg_read(struct pcf50606 *pcf, u8 reg)
+uint8_t pcf50606_reg_read(struct pcf50606 *pcf, uint8_t reg)
{
- u8 val;
+ uint8_t val;
mutex_lock(&pcf->lock);
__pcf50606_read(pcf, reg, 1, &val);
@@ -92,7 +92,7 @@ u8 pcf50606_reg_read(struct pcf50606 *pcf, u8 reg)
}
EXPORT_SYMBOL_GPL(pcf50606_reg_read);
-int pcf50606_reg_write(struct pcf50606 *pcf, u8 reg, u8 val)
+int pcf50606_reg_write(struct pcf50606 *pcf, uint8_t reg, uint8_t val)
{
int ret;
@@ -104,10 +104,10 @@ int pcf50606_reg_write(struct pcf50606 *pcf, u8 reg, u8 val)
}
EXPORT_SYMBOL_GPL(pcf50606_reg_write);
-int pcf50606_reg_set_bit_mask(struct pcf50606 *pcf, u8 reg, u8 mask, u8 val)
+int pcf50606_reg_set_bit_mask(struct pcf50606 *pcf, uint8_t reg, uint8_t mask, uint8_t val)
{
int ret;
- u8 tmp;
+ uint8_t tmp;
val &= mask;
@@ -127,10 +127,10 @@ out:
}
EXPORT_SYMBOL_GPL(pcf50606_reg_set_bit_mask);
-int pcf50606_reg_clear_bits(struct pcf50606 *pcf, u8 reg, u8 val)
+int pcf50606_reg_clear_bits(struct pcf50606 *pcf, uint8_t reg, uint8_t val)
{
int ret;
- u8 tmp;
+ uint8_t tmp;
mutex_lock(&pcf->lock);
ret = __pcf50606_read(pcf, reg, 1, &tmp);
@@ -149,13 +149,13 @@ EXPORT_SYMBOL_GPL(pcf50606_reg_clear_bits);
/* sysfs attributes */
static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
- char *buf)
+ char *buf)
{
struct pcf50606 *pcf = dev_get_drvdata(dev);
- u8 dump[16];
+ uint8_t dump[16];
int n, n1, idx = 0;
char *buf1 = buf;
- static u8 address_no_read[] = { /* must be ascending */
+ static uint8_t address_no_read[] = { /* must be ascending */
PCF50606_REG_INT1,
PCF50606_REG_INT2,
PCF50606_REG_INT3,
@@ -237,9 +237,9 @@ int pcf50606_free_irq(struct pcf50606 *pcf, int irq)
}
EXPORT_SYMBOL_GPL(pcf50606_free_irq);
-static int __pcf50606_irq_mask_set(struct pcf50606 *pcf, int irq, u8 mask)
+static int __pcf50606_irq_mask_set(struct pcf50606 *pcf, int irq, uint8_t mask)
{
- u8 reg, bits, tmp;
+ uint8_t reg, bits, tmp;
int ret = 0, idx;
idx = irq >> 3;
@@ -298,7 +298,7 @@ EXPORT_SYMBOL_GPL(pcf50606_irq_unmask);
int pcf50606_irq_mask_get(struct pcf50606 *pcf, int irq)
{
- u8 reg, bits;
+ uint8_t reg, bits;
reg = (irq / 8);
bits = (1 << (irq % 8));
@@ -320,9 +320,10 @@ static void pcf50606_irq_call_handler(struct pcf50606 *pcf,
static void pcf50606_irq_worker(struct work_struct *work)
{
+ int ret;
struct pcf50606 *pcf;
- int ret, i, j;
- u8 pcf_int[3], chgstat;
+ uint8_t pcf_int[3], charger_status;
+ size_t i, j;
pcf = container_of(work, struct pcf50606, irq_work);
@@ -331,7 +332,7 @@ static void pcf50606_irq_worker(struct work_struct *work)
ARRAY_SIZE(pcf_int), pcf_int);
if (ret != ARRAY_SIZE(pcf_int)) {
dev_err(pcf->dev, "Error reading INT registers\n");
-
+
/*
* If this doesn't ACK the interrupt to the chip, we'll be
* called once again as we're level triggered.
@@ -340,15 +341,15 @@ static void pcf50606_irq_worker(struct work_struct *work)
}
/* We immediately read the charger status. We thus make sure
- * only of CHGINS/CHGRM interrupt handlers are called */
+ * only one of CHGINS/CHGRM interrupt handlers are called */
if (pcf_int[1] & (PCF50606_INT2_CHGINS | PCF50606_INT2_CHGRM)) {
- chgstat = pcf50606_reg_read(pcf, PCF50606_REG_MBCS1);
- if (chgstat & (0x1 << 4))
- pcf_int[1] &= ~(1 << PCF50606_INT2_CHGRM);
+ charger_status = pcf50606_reg_read(pcf, PCF50606_REG_MBCS1);
+ if (charger_status & (0x1 << 4))
+ pcf_int[1] &= ~PCF50606_INT2_CHGRM;
else
- pcf_int[1] &= ~(1 << PCF50606_INT2_CHGINS);
+ pcf_int[1] &= ~PCF50606_INT2_CHGINS;
}
-
+
dev_dbg(pcf->dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x\n",
pcf_int[0], pcf_int[1], pcf_int[2]);
@@ -457,9 +458,10 @@ pcf50606_client_dev_register(struct pcf50606 *pcf, const char *name,
#ifdef CONFIG_PM
static int pcf50606_suspend(struct i2c_client *client, pm_message_t state)
{
+ int ret;
struct pcf50606 *pcf;
- int ret, i;
- u8 res[3];
+ size_t i;
+ uint8_t res[3];
pcf = i2c_get_clientdata(client);
@@ -478,7 +480,7 @@ static int pcf50606_suspend(struct i2c_client *client, pm_message_t state)
dev_err(pcf->dev, "error saving irq masks\n");
goto out;
}
-
+
/* Write wakeup irq masks */
for (i = 0; i < ARRAY_SIZE(res); i++)
res[i] = ~pcf->pdata->resumers[i];
@@ -528,10 +530,11 @@ static int pcf50606_resume(struct i2c_client *client)
static int pcf50606_probe(struct i2c_client *client,
const struct i2c_device_id *ids)
{
+ int ret;
struct pcf50606 *pcf;
struct pcf50606_platform_data *pdata = client->dev.platform_data;
- int i, ret;
- int version, variant;
+ int i;
+ uint8_t version, variant;
if (!client->irq) {
dev_err(&client->dev, "Missing IRQ\n");
@@ -555,6 +558,8 @@ static int pcf50606_probe(struct i2c_client *client,
version = pcf50606_reg_read(pcf, 0);
variant = pcf50606_reg_read(pcf, 1);
+
+ /* This test is always false, FIX it */
if (version < 0 || variant < 0) {
dev_err(pcf->dev, "Unable to probe pcf50606\n");
ret = -ENODEV;
@@ -595,7 +600,7 @@ static int pcf50606_probe(struct i2c_client *client,
dev_err(pcf->dev, "Cannot create regulator %d\n", i);
continue;
}
-
+
pdev->dev.parent = pcf->dev;
platform_device_add_data(pdev, &pdata->reg_init_data[i],
sizeof(pdata->reg_init_data[i]));
@@ -626,7 +631,7 @@ err:
static int pcf50606_remove(struct i2c_client *client)
{
struct pcf50606 *pcf = i2c_get_clientdata(client);
- int i;
+ unsigned int i;
free_irq(pcf->irq, pcf);
@@ -638,6 +643,7 @@ static int pcf50606_remove(struct i2c_client *client)
for (i = 0; i < PCF50606_NUM_REGULATORS; i++)
platform_device_unregister(pcf->regulator_pdev[i]);
+ i2c_set_clientdata(client, NULL);
kfree(pcf);
return 0;
@@ -662,15 +668,14 @@ static int __init pcf50606_init(void)
{
return i2c_add_driver(&pcf50606_driver);
}
+module_init(pcf50606_init);
static void pcf50606_exit(void)
{
i2c_del_driver(&pcf50606_driver);
}
+module_exit(pcf50606_exit);
MODULE_DESCRIPTION("I2C chip driver for NXP PCF50606 PMU");
MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
MODULE_LICENSE("GPL");
-
-module_init(pcf50606_init);
-module_exit(pcf50606_exit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 20:56:34 +0000