diff options
| -rw-r--r-- | drivers/char/ipmi/ipmi_ssif.c | 6 | ||||
| -rw-r--r-- | drivers/hwmon/lm90.c | 6 | ||||
| -rw-r--r-- | drivers/i2c/i2c-smbus.c | 3 | ||||
| -rw-r--r-- | include/linux/i2c.h | 7 |
4 files changed, 18 insertions, 4 deletions
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 097c86898608..5673ffff00be 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -568,12 +568,16 @@ static void retry_timeout(unsigned long data) } -static void ssif_alert(struct i2c_client *client, unsigned int data) +static void ssif_alert(struct i2c_client *client, enum i2c_alert_protocol type, + unsigned int data) { struct ssif_info *ssif_info = i2c_get_clientdata(client); unsigned long oflags, *flags; bool do_get = false; + if (type != I2C_PROTOCOL_SMBUS_ALERT) + return; + ssif_inc_stat(ssif_info, alerts); flags = ipmi_ssif_lock_cond(ssif_info, &oflags); diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index e30a5939dc0d..5b62c57e8bfc 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -1624,10 +1624,14 @@ static int lm90_remove(struct i2c_client *client) return 0; } -static void lm90_alert(struct i2c_client *client, unsigned int flag) +static void lm90_alert(struct i2c_client *client, enum i2c_alert_protocol type, + unsigned int flag) { u16 alarms; + if (type != I2C_PROTOCOL_SMBUS_ALERT) + return; + if (lm90_is_tripped(client, &alarms)) { /* * Disable ALERT# output, because these chips don't implement diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index abb55d3e76f3..3b6765a4ebe9 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -56,7 +56,8 @@ static int smbus_do_alert(struct device *dev, void *addrp) if (client->dev.driver) { driver = to_i2c_driver(client->dev.driver); if (driver->alert) - driver->alert(client, data->flag); + driver->alert(client, I2C_PROTOCOL_SMBUS_ALERT, + data->flag); else dev_warn(&client->dev, "no driver alert()!\n"); } else diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 6df7bad8c26c..37a45dcd6592 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -126,6 +126,10 @@ i2c_smbus_read_i2c_block_data_or_emulated(const struct i2c_client *client, u8 command, u8 length, u8 *values); #endif /* I2C */ +enum i2c_alert_protocol { + I2C_PROTOCOL_SMBUS_ALERT, +}; + /** * struct i2c_driver - represent an I2C device driver * @class: What kind of i2c device we instantiate (for detect) @@ -181,7 +185,8 @@ struct i2c_driver { * For the SMBus alert protocol, there is a single bit of data passed * as the alert response's low bit ("event flag"). */ - void (*alert)(struct i2c_client *, unsigned int data); + void (*alert)(struct i2c_client *, enum i2c_alert_protocol protocol, + unsigned int data); /* a ioctl like command that can be used to perform specific functions * with the device. |