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clk: clk-wm831x: fix a logic error

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Fix bug https://bugzilla.kernel.org/show_bug.cgi?id=188561. Function
wm831x_clkout_is_prepared() returns "true" when it fails to read
CLOCK_CONTROL_1. "true" means the device is already prepared. So
return "true" on the read failure seems improper.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Fixes: f05259a6ff ("clk: wm831x: Add initial WM831x clock driver")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Pan Bian 2016-12-01 14:25:44 +08:00 committed by Stephen Boyd
parent 1221ae211f
commit 20979202ee
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/clk-wm831x.c
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@ -243,7 +243,7 @@ static int wm831x_clkout_is_prepared(struct clk_hw *hw)
if (ret < 0) {
dev_err(wm831x->dev, "Unable to read CLOCK_CONTROL_1: %d\n",
ret);
return true;
return false;
}
return (ret & WM831X_CLKOUT_ENA) != 0;