From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Fri, 9 Sep 2011 16:24:20 +0000 (-0700)
Subject: Input: tegra-kbc - tighten locking
X-Git-Tag: v3.2-rc1~145^2^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95439cbad134de58d9ea256e37fd13fbcdc87d08;p=pandora-kernel.git

Input: tegra-kbc - tighten locking

Take spinlock when entering ISR and timer routine to ensure that we do not
race while enabling/disabling FIFO interrupts.

Also we do not need to take teh spinlock in tegra_kbc_startremove() since
interrupt is completely disabled.

Tested-by: Rakesh Iyer <riyer@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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