From e998200c1912f22cf257ae88771e56de588ee8fb Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 22 Jun 2015 09:22:34 -0700
Subject: [PATCH] Input: imx_keypad - check for clk_prepare_enable() error

clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Reading git-format-patch failed