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driver core: add dev_groups to all drivers

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Add the ability for the driver core to create and remove a list of
attribute groups automatically when the device is bound/unbound from a
specific driver.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Richard Gong <richard.gong@linux.intel.com>
Link: https://lore.kernel.org/r/20190731124349.4474-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Torokhov
2019-07-31 14:43:40 +02:00
committed by Greg Kroah-Hartman
parent 5f9e832c13
commit 23b6904442
2 changed files with 17 additions and 0 deletions
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3
include/linux/device.h
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@@ -262,6 +262,8 @@ enum probe_type {
* @resume: Called to bring a device from sleep mode.
* @groups: Default attributes that get created by the driver core
* automatically.
* @dev_groups: Additional attributes attached to device instance once the
* it is bound to the driver.
* @pm: Power management operations of the device which matched
* this driver.
* @coredump: Called when sysfs entry is written to. The device driver
@@ -296,6 +298,7 @@ struct device_driver {
int (*suspend) (struct device *dev, pm_message_t state);
int (*resume) (struct device *dev);
const struct attribute_group **groups;
const struct attribute_group **dev_groups;
const struct dev_pm_ops *pm;
void (*coredump) (struct device *dev);