From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 24 Jul 2015 10:49:48 +0000 (+0300)
Subject: avr32: handle NULL as a valid clock object
X-Git-Tag: omap-for-v4.3/fixes-merge-window~175^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c02a4206538da12c040b51778d310df84c6bf6c;p=pandora-kernel.git

avr32: handle NULL as a valid clock object

Since NULL is used as valid clock object on optional clocks we have to handle
this case in avr32 implementation as well.

Fixes: e1824dfe0d8e (net: macb: Adjust tx_clk when link speed changes)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
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