This is a note to let you know that I've just added the patch titled
ARM: clk-imx35: Bugfix iomux clock
to the 3.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-clk-imx35-bugfix-iomux-clock.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cab1e0a36c9dd0b0671fb84197ed294513f5adc1 Mon Sep 17 00:00:00 2001
From: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
Date: Fri, 29 Mar 2013 16:20:09 +0100
Subject: ARM: clk-imx35: Bugfix iomux clock
From: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
commit cab1e0a36c9dd0b0671fb84197ed294513f5adc1 upstream.
This patch enables iomuxc_gate clock. It is necessary to be able to
reconfigure iomux pads. Without this clock enabled, the
clk_disable_unused function will disable this clock and the iomux pads
are not configurable anymore. This happens at every boot. After a reboot
(watchdog system reset) the clock is not enabled again, so all iomux pad
reconfigurations in boot code are without effect.
The iomux pads should be always configurable, so this patch always
enables it.
Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
Cc: Lingzhu Xiang <lxiang@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-imx/clk-imx35.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -266,6 +266,7 @@ int __init mx35_clocks_init()
clk_prepare_enable(clk[iim_gate]);
clk_prepare_enable(clk[emi_gate]);
clk_prepare_enable(clk[max_gate]);
+ clk_prepare_enable(clk[iomuxc_gate]);
/*
* SCC is needed to boot via mmc after a watchdog reset. The clock code
Patches currently in stable-queue which might be from mpa@xxxxxxxxxxxxxx are
queue-3.8/arm-clk-imx35-bugfix-iomux-clock.patch
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