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clk: wm831x: Initialise wm831x pointer on init 

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>
Cc: stable@vger.kernel.org
Signed-off-by: Mike Turquette <mturquette@linaro.org>
hifive-unleashed-5.1
Mark Brown 2013-08-29 12:21:01 +01:00 committed by Mike Turquette
parent 0044cbcd66
commit 08442ce993
1 changed files with 2 additions and 0 deletions
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2
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) {