From: Ryan Underwood <nemesis@icequake.net>
Date: Mon, 26 Jan 2015 00:07:09 +0000 (-0800)
Subject: Disable write buffering on Toshiba ToPIC95
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~158^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2fb22a8042fe96b4220843f79241c116d90922c4;p=pandora-kernel.git

Disable write buffering on Toshiba ToPIC95

Disable write buffering on the Toshiba ToPIC95 if it is enabled by
somebody (it is not supposed to be a power-on default according to
the datasheet). On the ToPIC95, practically no 32-bit Cardbus card
will work under heavy load without locking up the whole system if
this is left enabled. I tried about a dozen. It does not affect
16-bit cards. This is similar to the O2 bugs in early controller
revisions it seems.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55961
Cc: <stable@vger.kernel.org>
Signed-off-by: Ryan C. Underwood <nemesis@icequake.net>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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