From: Janusz Użycki <j.uzycki@elproma.com.pl>
Date: Tue, 23 Sep 2014 10:48:26 +0000 (+0200)
Subject: i2c: mxs: detect No Slave Ack on SELECT in PIO mode
X-Git-Tag: omap-for-v3.19/prcm-cleanup~30^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=030f940a535433605e6b4ee43f36189e5cace022;p=pandora-kernel.git

i2c: mxs: detect No Slave Ack on SELECT in PIO mode

i2cdetect scanned i2c bus slow because the i2c-mxs driver ignored the
NO_SLAVE_ACK bit during busy-waiting loop. Thanks to the patch, the
speedup happens.

Signed-off-by: Janusz Uzycki <j.uzycki@elproma.com.pl>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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