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authorWolfram Sang <wsa@the-dreams.de>2017-12-12 23:08:33 +0100
committerWolfram Sang <wsa@the-dreams.de>2017-12-12 23:08:33 +0100
commita3fe09bc03f31dd7351d8277348fa59bcec9cd20 (patch)
tree612a909dc01f19619f378f45f5a50260d5ed4186
parent04271ce9601f1686db480ea11ea1848394d9e6a2 (diff)
parent7f6d2ecd3d7acaf205ea7b3e96f9ffc55b92298b (diff)
downloadlinux-stericsson-a3fe09bc03f31dd7351d8277348fa59bcec9cd20.tar.gz
Merge tag 'at24-4.15-rc3-fixes-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current
Sakari fixed a regression introduced during the 4.15 merge window and David submitted a fix for an issue that has existed in at24 since introducing nvmem.
-rw-r--r--drivers/misc/eeprom/at24.c26
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 305a7a464d09..4d63ac8a82e0 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -562,7 +562,7 @@ static ssize_t at24_eeprom_write_i2c(struct at24_data *at24, const char *buf,
static int at24_read(void *priv, unsigned int off, void *val, size_t count)
{
struct at24_data *at24 = priv;
- struct i2c_client *client;
+ struct device *dev = &at24->client[0]->dev;
char *buf = val;
int ret;
@@ -572,11 +572,9 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
if (off + count > at24->chip.byte_len)
return -EINVAL;
- client = at24_translate_offset(at24, &off);
-
- ret = pm_runtime_get_sync(&client->dev);
+ ret = pm_runtime_get_sync(dev);
if (ret < 0) {
- pm_runtime_put_noidle(&client->dev);
+ pm_runtime_put_noidle(dev);
return ret;
}
@@ -592,7 +590,7 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
status = at24->read_func(at24, buf, off, count);
if (status < 0) {
mutex_unlock(&at24->lock);
- pm_runtime_put(&client->dev);
+ pm_runtime_put(dev);
return status;
}
buf += status;
@@ -602,7 +600,7 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
mutex_unlock(&at24->lock);
- pm_runtime_put(&client->dev);
+ pm_runtime_put(dev);
return 0;
}
@@ -610,7 +608,7 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
static int at24_write(void *priv, unsigned int off, void *val, size_t count)
{
struct at24_data *at24 = priv;
- struct i2c_client *client;
+ struct device *dev = &at24->client[0]->dev;
char *buf = val;
int ret;
@@ -620,11 +618,9 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
if (off + count > at24->chip.byte_len)
return -EINVAL;
- client = at24_translate_offset(at24, &off);
-
- ret = pm_runtime_get_sync(&client->dev);
+ ret = pm_runtime_get_sync(dev);
if (ret < 0) {
- pm_runtime_put_noidle(&client->dev);
+ pm_runtime_put_noidle(dev);
return ret;
}
@@ -640,7 +636,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
status = at24->write_func(at24, buf, off, count);
if (status < 0) {
mutex_unlock(&at24->lock);
- pm_runtime_put(&client->dev);
+ pm_runtime_put(dev);
return status;
}
buf += status;
@@ -650,7 +646,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
mutex_unlock(&at24->lock);
- pm_runtime_put(&client->dev);
+ pm_runtime_put(dev);
return 0;
}
@@ -880,7 +876,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
at24->nvmem_config.reg_read = at24_read;
at24->nvmem_config.reg_write = at24_write;
at24->nvmem_config.priv = at24;
- at24->nvmem_config.stride = 4;
+ at24->nvmem_config.stride = 1;
at24->nvmem_config.word_size = 1;
at24->nvmem_config.size = chip.byte_len;