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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-01-17 01:59:38 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-01-17 01:59:38 +0100 |
| commit | bc411b8a643825b634916f9ba167546a88a0ac28 (patch) | |
| tree | 9243b5c8139391e003e31bea845a59975aeced3e /drivers/i2c/i2c-core.c | |
| parent | 8341ecc9f4eb7513951bd1986d78185a11ac6d4e (diff) | |
| parent | b9f73067f32531db608e469a9ad20ce631e34550 (diff) | |
Merge branch 'acpi-modules'
* acpi-modules:
platform: introduce OF style 'modalias' support for platform bus
ACPI: fix module autoloading for ACPI enumerated devices
ACPI: add module autoloading support for ACPI enumerated devices
ACPI: fix create_modalias() return value handling
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index d74c0b34248..c4c5588ec0f 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -104,6 +104,11 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) static int i2c_device_uevent(struct device *dev, struct kobj_uevent_env *env) { struct i2c_client *client = to_i2c_client(dev); + int rc; + + rc = acpi_device_uevent_modalias(dev, env); + if (rc != -ENODEV) + return rc; if (add_uevent_var(env, "MODALIAS=%s%s", I2C_MODULE_PREFIX, client->name)) @@ -409,6 +414,12 @@ static ssize_t show_modalias(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); + int len; + + len = acpi_device_modalias(dev, buf, PAGE_SIZE -1); + if (len != -ENODEV) + return len; + return sprintf(buf, "%s%s\n", I2C_MODULE_PREFIX, client->name); } |