[PATCH v4 0/3] Extend device_get_match_data() to struct bus_type

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This patch series extend device_get_match_data() to struct bus_type,
so that buses like I2C can get matched data.

v3->v4:
 * Documented corner case for device_get_match_data()
 * Dropped struct i2c_driver parameter from i2c_get_match_data_helper()
 * Split I2C sysfs handling in seperate patch(patch#3)
 * Added space after of_device_id for i2c_of_match_device_sysfs()
 * Added const parameter for struct i2c_client, to prevent overriding it's
   pointer.
 * Moved declaration from public i2c.h->i2c-core.h
v2->v3:
 * Added Rb tag from Andy for patch#1.
 * Extended to support i2c_of_match_device() as suggested by Andy.
 * Changed i2c_of_match_device_sysfs() as non-static function as it is
   needed for i2c_device_get_match_data().
 * Added a TODO comment to use i2c_verify_client() when it accepts const
   pointer.
 * Added multiple returns to make code path for device_get_match_data()
   faster in i2c_get_match_data().
RFC v1->v2:
 * Replaced "Signed-off-by"->"Suggested-by" tag for Dmitry.
 * Documented device_get_match_data().
 * Added multiple returns to make code path for generic fwnode-based
   lookup faster.
 * Fixed build warnings reported by kernel test robot <lkp@xxxxxxxxx>
 * Added const qualifier to return type and parameter struct i2c_driver
   in i2c_get_match_data_helper().
 * Added const qualifier to struct i2c_driver in i2c_get_match_data()
 * Dropped driver variable from i2c_device_get_match_data()
 * Replaced to_i2c_client with logic for assigning verify_client as it
   returns non const pointer.

Biju Das (3):
  drivers: fwnode: Extend device_get_match_data() to struct bus_type
  i2c: Add i2c_device_get_match_data() callback
  i2c: Extend i2c_device_get_match_data() to support i2c sysfs

 drivers/base/property.c     | 27 ++++++++++++++++++++-
 drivers/i2c/i2c-core-base.c | 48 ++++++++++++++++++++++++++++++-------
 drivers/i2c/i2c-core-of.c   |  5 ++--
 drivers/i2c/i2c-core.h      |  9 +++++++
 include/linux/device/bus.h  |  3 +++
 5 files changed, 81 insertions(+), 11 deletions(-)

-- 
2.25.1




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