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(parent: 2dd151a) | patch
omap: i2c: add a timeout to the busy waiting
authorAlexander Shishkin <virtuoso@slind.org>
Tue, 11 May 2010 18:35:17 +0000 (11:35 -0700)
committerBen Dooks <ben-linux@fluff.org>
Wed, 19 May 2010 23:18:59 +0000 (00:18 +0100)
commite9f59b9c9bc5730152b6a94c47dd90b730a07e35
treeee00d5f5995a47dbb61d119967b4091a79c45580tree | snapshot (tar.gz zip)
parent2dd151ab2792cd27a2268a6e4f3248193beed504commit | diff
omap: i2c: add a timeout to the busy waiting

The errata 1.153 workaround is busy waiting on XUDF bit in interrupt
context, which may lead to kernel hangs. The problem can be reproduced
by running the bus with wrong (too high) speed.

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
drivers/i2c/busses/i2c-omap.c diff | blob | blame | history