From ff0daa1c1a28c9866d735852a1cbfb9c757aaa7b Mon Sep 17 00:00:00 2001
From: Fernando Guzman Lugo <fernando.guzman.lugo@intel.com>
Date: Thu, 11 Jun 2015 10:39:46 +0800
Subject: [PATCH] serial: sprd: check for NULL after calling devm_clk_get

In platforms which does not use CLK framework (HAVE_CLK not set), the
clk_* functions return NULL instead of an error. This patch handles that
scenario.

Signed-off-by: Fernando Guzman Lugo <fernando.guzman.lugo@intel.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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