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i2c-core: Use per-adapter userspace device lists
authorJean Delvare <khali@linux-fr.org>
Tue, 4 May 2010 09:09:28 +0000 (11:09 +0200)
committerJean Delvare <khali@linux-fr.org>
Tue, 4 May 2010 09:09:28 +0000 (11:09 +0200)
commitbb3e3134d9672f7e7b36dbb4afd5236566b74ec4
tree18f75a3f5ca83de96a0fe353fafa02bab174cd36tree | snapshot
parentbce9e828832c999c9458ec1968afb3ef1ca7b4e9commit | diff
i2c-core: Use per-adapter userspace device lists

Using a single list for all userspace devices leads to a dead lock
on multiplexed buses in some circumstances (mux chip instantiated
from userspace). This is solved by using a separate list for each
bus segment.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Michael Lawnick <ml.lawnick@gmx.de>
drivers/i2c/i2c-core.c diff | blob | history
include/linux/i2c.h diff | blob | history
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