| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 081/139] Input: imx6ul_tsc - clean up some errors in imx6ul_tsc_resume() | Date | Tue, 27 Oct 2020 14:49:35 +0100 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit 30df23c5ecdfb8da5b0bc17ceef67eff9e1b0957 ]
If imx6ul_tsc_init() fails then we need to clean up the clocks.
I reversed the "if (input_dev->users) {" condition to make the code a bit simpler.
Fixes: 6cc527b05847 ("Input: imx6ul_tsc - propagate the errors") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20200905124942.GC183976@mwanda Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/input/touchscreen/imx6ul_tsc.c | 27 +++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c index 8275267eac254..4be7ddc04af0f 100644 --- a/drivers/input/touchscreen/imx6ul_tsc.c +++ b/drivers/input/touchscreen/imx6ul_tsc.c @@ -490,20 +490,25 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev) mutex_lock(&input_dev->mutex); - if (input_dev->users) { - retval = clk_prepare_enable(tsc->adc_clk); - if (retval) - goto out; - - retval = clk_prepare_enable(tsc->tsc_clk); - if (retval) { - clk_disable_unprepare(tsc->adc_clk); - goto out; - } + if (!input_dev->users) + goto out; - retval = imx6ul_tsc_init(tsc); + retval = clk_prepare_enable(tsc->adc_clk); + if (retval) + goto out; + + retval = clk_prepare_enable(tsc->tsc_clk); + if (retval) { + clk_disable_unprepare(tsc->adc_clk); + goto out; } + retval = imx6ul_tsc_init(tsc); + if (retval) { + clk_disable_unprepare(tsc->tsc_clk); + clk_disable_unprepare(tsc->adc_clk); + goto out; + } out: mutex_unlock(&input_dev->mutex); return retval; -- 2.25.1
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