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Commit 8a7f102c authored by Arvind Yadav's avatar Arvind Yadav Committed by Dmitry Torokhov
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Input: tegra-kbc - handle return value of clk_prepare_enable 



clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 9ee0a055

drivers/input/keyboard/tegra-kbc.c

+4 −1
Original line number Diff line number Diff line
@@ -370,8 +370,11 @@ static int tegra_kbc_start(struct tegra_kbc *kbc) 
{

	unsigned int debounce_cnt;

	u32 val = 0;

	int ret;



	clk_prepare_enable(kbc->clk);

	ret = clk_prepare_enable(kbc->clk);

	if (ret)

		return ret;



	/* Reset the KBC controller to clear all previous status.*/

	reset_control_assert(kbc->rst);