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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@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Brown 2013-08-29 12:21:01 +01:00 committed by Greg Kroah-Hartman
parent 497587f84f
commit d662986b4f
1 changed files with 2 additions and 0 deletions
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drivers/clk/clk-wm831x.c
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@ -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) {