From ae21cc20a604b45e97d0cdbce7e9302ce7dd7d5c Mon Sep 17 00:00:00 2001
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sun, 15 Apr 2012 12:27:33 +0200
Subject: [PATCH] watchdog: ar7_wdt.c: use devm_request_and_ioremap

Combine request_region and ioremap into devm_request_and_ioremap.  This has
the effect of fixing a missing iounmap on the failure of clk_get.

This also introduces a call to clk_put and clears the vbus_clk variable in
the case of failure or device removal.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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