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path: root/drivers/rtc/rtc-isl1208.c
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Diffstat (limited to 'drivers/rtc/rtc-isl1208.c')
-rw-r--r--drivers/rtc/rtc-isl1208.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index dd2aeee6c66..c3c549d511b 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -68,9 +68,17 @@ isl1208_i2c_read_regs(struct i2c_client *client, u8 reg, u8 buf[],
{
u8 reg_addr[1] = { reg };
struct i2c_msg msgs[2] = {
- {client->addr, 0, sizeof(reg_addr), reg_addr}
- ,
- {client->addr, I2C_M_RD, len, buf}
+ {
+ .addr = client->addr,
+ .len = sizeof(reg_addr),
+ .buf = reg_addr
+ },
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = buf
+ }
};
int ret;
@@ -90,7 +98,11 @@ isl1208_i2c_set_regs(struct i2c_client *client, u8 reg, u8 const buf[],
{
u8 i2c_buf[ISL1208_REG_USR2 + 2];
struct i2c_msg msgs[1] = {
- {client->addr, 0, len + 1, i2c_buf}
+ {
+ .addr = client->addr,
+ .len = len + 1,
+ .buf = i2c_buf
+ }
};
int ret;
@@ -106,7 +118,7 @@ isl1208_i2c_set_regs(struct i2c_client *client, u8 reg, u8 const buf[],
return ret;
}
-/* simple check to see wether we have a isl1208 */
+/* simple check to see whether we have a isl1208 */
static int
isl1208_i2c_validate_client(struct i2c_client *client)
{
@@ -132,11 +144,7 @@ isl1208_i2c_validate_client(struct i2c_client *client)
static int
isl1208_i2c_get_sr(struct i2c_client *client)
{
- int sr = i2c_smbus_read_byte_data(client, ISL1208_REG_SR);
- if (sr < 0)
- return -EIO;
-
- return sr;
+ return i2c_smbus_read_byte_data(client, ISL1208_REG_SR);
}
static int
@@ -494,6 +502,7 @@ isl1208_rtc_interrupt(int irq, void *data)
{
unsigned long timeout = jiffies + msecs_to_jiffies(1000);
struct i2c_client *client = data;
+ struct rtc_device *rtc = i2c_get_clientdata(client);
int handled = 0, sr, err;
/*
@@ -516,6 +525,8 @@ isl1208_rtc_interrupt(int irq, void *data)
if (sr & ISL1208_REG_SR_ALM) {
dev_dbg(&client->dev, "alarm!\n");
+ rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF);
+
/* Clear the alarm */
sr &= ~ISL1208_REG_SR_ALM;
sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
@@ -632,10 +643,11 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
"chip found, driver version " DRV_VERSION "\n");
if (client->irq > 0) {
- rc = request_threaded_irq(client->irq, NULL,
- isl1208_rtc_interrupt,
- IRQF_SHARED,
- isl1208_driver.driver.name, client);
+ rc = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+ isl1208_rtc_interrupt,
+ IRQF_SHARED,
+ isl1208_driver.driver.name,
+ client);
if (!rc) {
device_init_wakeup(&client->dev, 1);
enable_irq_wake(client->irq);
@@ -647,20 +659,18 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
}
}
- rtc = rtc_device_register(isl1208_driver.driver.name,
- &client->dev, &isl1208_rtc_ops,
+ rtc = devm_rtc_device_register(&client->dev, isl1208_driver.driver.name,
+ &isl1208_rtc_ops,
THIS_MODULE);
- if (IS_ERR(rtc)) {
- rc = PTR_ERR(rtc);
- goto exit_free_irq;
- }
+ if (IS_ERR(rtc))
+ return PTR_ERR(rtc);
i2c_set_clientdata(client, rtc);
rc = isl1208_i2c_get_sr(client);
if (rc < 0) {
dev_err(&client->dev, "reading status failed\n");
- goto exit_unregister;
+ return rc;
}
if (rc & ISL1208_REG_SR_RTCF)
@@ -669,34 +679,22 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
if (rc)
- goto exit_unregister;
+ return rc;
return 0;
-
-exit_unregister:
- rtc_device_unregister(rtc);
-exit_free_irq:
- if (client->irq)
- free_irq(client->irq, client);
-
- return rc;
}
static int
isl1208_remove(struct i2c_client *client)
{
- struct rtc_device *rtc = i2c_get_clientdata(client);
-
sysfs_remove_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
- rtc_device_unregister(rtc);
- if (client->irq)
- free_irq(client->irq, client);
return 0;
}
static const struct i2c_device_id isl1208_id[] = {
{ "isl1208", 0 },
+ { "isl1218", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, isl1208_id);