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i2c: core: manage i2c bus device refcount in i2c_[get|put]_adapter
authorVladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Mon, 27 Jul 2015 14:30:49 +0000 (17:30 +0300)
committerWolfram Sang <wsa@the-dreams.de>
Mon, 10 Aug 2015 06:37:35 +0000 (08:37 +0200)
commit1b4ed6d818e4f3fb3198dcd656f46a27d574971c
tree21ecc5c1663e948017d947026fe071e1f0906f50tree | snapshot
parente9bd1e703b27f04dc327c31c7dcd3ffc0d1ca8bccommit | diff
i2c: core: manage i2c bus device refcount in i2c_[get|put]_adapter

In addition to module_get()/module_put() add get_device()/put_device()
calls into i2c_get_adapter()/i2c_put_adapter() exported
interfaces. This is done to lock I2C bus device, if it is in use by a
client.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/i2c-core.c diff | blob | history
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