Commit 91d85ea6 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
  hwmon: (ibmaem) add missing kfree
  hwmon: (pmbus/lm25066) Ignore byte writes to non-zero pages
  hwmon: (pmbus) Virtualize pmbus_write_byte
parents 17987783 66a89b21
...@@ -432,13 +432,15 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg, ...@@ -432,13 +432,15 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg,
aem_send_message(ipmi); aem_send_message(ipmi);
res = wait_for_completion_timeout(&ipmi->read_complete, IPMI_TIMEOUT); res = wait_for_completion_timeout(&ipmi->read_complete, IPMI_TIMEOUT);
if (!res) if (!res) {
return -ETIMEDOUT; res = -ETIMEDOUT;
goto out;
}
if (ipmi->rx_result || ipmi->rx_msg_len != rs_size || if (ipmi->rx_result || ipmi->rx_msg_len != rs_size ||
memcmp(&rs_resp->id, &system_x_id, sizeof(system_x_id))) { memcmp(&rs_resp->id, &system_x_id, sizeof(system_x_id))) {
kfree(rs_resp); res = -ENOENT;
return -ENOENT; goto out;
} }
switch (size) { switch (size) {
...@@ -463,8 +465,11 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg, ...@@ -463,8 +465,11 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg,
break; break;
} }
} }
res = 0;
return 0; out:
kfree(rs_resp);
return res;
} }
/* Update AEM energy registers */ /* Update AEM energy registers */
......
...@@ -161,6 +161,17 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, ...@@ -161,6 +161,17 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
return ret; return ret;
} }
static int lm25066_write_byte(struct i2c_client *client, int page, u8 value)
{
if (page > 1)
return -EINVAL;
if (page == 0)
return pmbus_write_byte(client, 0, value);
return 0;
}
static int lm25066_probe(struct i2c_client *client, static int lm25066_probe(struct i2c_client *client,
const struct i2c_device_id *id) const struct i2c_device_id *id)
{ {
...@@ -204,6 +215,7 @@ static int lm25066_probe(struct i2c_client *client, ...@@ -204,6 +215,7 @@ static int lm25066_probe(struct i2c_client *client,
info->read_word_data = lm25066_read_word_data; info->read_word_data = lm25066_read_word_data;
info->write_word_data = lm25066_write_word_data; info->write_word_data = lm25066_write_word_data;
info->write_byte = lm25066_write_byte;
switch (id->driver_data) { switch (id->driver_data) {
case lm25066: case lm25066:
......
...@@ -325,6 +325,7 @@ struct pmbus_driver_info { ...@@ -325,6 +325,7 @@ struct pmbus_driver_info {
int (*read_word_data)(struct i2c_client *client, int page, int reg); int (*read_word_data)(struct i2c_client *client, int page, int reg);
int (*write_word_data)(struct i2c_client *client, int page, int reg, int (*write_word_data)(struct i2c_client *client, int page, int reg,
u16 word); u16 word);
int (*write_byte)(struct i2c_client *client, int page, u8 value);
/* /*
* The identify function determines supported PMBus functionality. * The identify function determines supported PMBus functionality.
* This function is only necessary if a chip driver supports multiple * This function is only necessary if a chip driver supports multiple
......
...@@ -182,6 +182,24 @@ int pmbus_write_byte(struct i2c_client *client, int page, u8 value) ...@@ -182,6 +182,24 @@ int pmbus_write_byte(struct i2c_client *client, int page, u8 value)
} }
EXPORT_SYMBOL_GPL(pmbus_write_byte); EXPORT_SYMBOL_GPL(pmbus_write_byte);
/*
* _pmbus_write_byte() is similar to pmbus_write_byte(), but checks if
* a device specific mapping funcion exists and calls it if necessary.
*/
static int _pmbus_write_byte(struct i2c_client *client, int page, u8 value)
{
struct pmbus_data *data = i2c_get_clientdata(client);
const struct pmbus_driver_info *info = data->info;
int status;
if (info->write_byte) {
status = info->write_byte(client, page, value);
if (status != -ENODATA)
return status;
}
return pmbus_write_byte(client, page, value);
}
int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, u16 word) int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, u16 word)
{ {
int rv; int rv;
...@@ -281,7 +299,7 @@ static int _pmbus_read_byte_data(struct i2c_client *client, int page, int reg) ...@@ -281,7 +299,7 @@ static int _pmbus_read_byte_data(struct i2c_client *client, int page, int reg)
static void pmbus_clear_fault_page(struct i2c_client *client, int page) static void pmbus_clear_fault_page(struct i2c_client *client, int page)
{ {
pmbus_write_byte(client, page, PMBUS_CLEAR_FAULTS); _pmbus_write_byte(client, page, PMBUS_CLEAR_FAULTS);
} }
void pmbus_clear_faults(struct i2c_client *client) void pmbus_clear_faults(struct i2c_client *client)
......
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