[ 3.8.y.z extended stable ] Patch "clk: wm831x: Initialise wm831x pointer on init" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Fri Sep 20 00:36:17 UTC 2013

This is a note to let you know that I have just added a patch titled

    clk: wm831x: Initialise wm831x pointer on init

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:


This patch is scheduled to be released in version

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see



>From 31b2865f49e335d2a16e7be295e637254a380d86 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie at linaro.org>
Date: Thu, 29 Aug 2013 12:21:01 +0100
Subject: clk: wm831x: Initialise wm831x pointer on init

commit 08442ce993deeb15a070c14cc3f3459e87d111e0 upstream.

Otherwise any attempt to interact with the hardware will crash. This is
what happens when drivers get written blind.

Signed-off-by: Mark Brown <broonie at linaro.org>
Signed-off-by: Mike Turquette <mturquette at linaro.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
 drivers/clk/clk-wm831x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c
index 16ed068..917a3ab 100644
--- a/drivers/clk/clk-wm831x.c
+++ b/drivers/clk/clk-wm831x.c
@@ -360,6 +360,8 @@ static int wm831x_clk_probe(struct platform_device *pdev)
 	if (!clkdata)
 		return -ENOMEM;

+	clkdata->wm831x = wm831x;
 	/* XTAL_ENA can only be set via OTP/InstantConfig so just read once */
 	ret = wm831x_reg_read(wm831x, WM831X_CLOCK_CONTROL_2);
 	if (ret < 0) {

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