If clk_enable failed, return the err code
Signed-off-by: WEN Pingbo <[email protected]>
---
drivers/input/touchscreen/lpc32xx_ts.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/lpc32xx_ts.c
b/drivers/input/touchscreen/lpc32xx_ts.c
index 24d704c..60cd31d 100644
--- a/drivers/input/touchscreen/lpc32xx_ts.c
+++ b/drivers/input/touchscreen/lpc32xx_ts.c
@@ -145,8 +145,14 @@ static void lpc32xx_stop_tsc(struct lpc32xx_tsc *tsc)
static void lpc32xx_setup_tsc(struct lpc32xx_tsc *tsc)
{
u32 tmp;
+ int retval;
- clk_enable(tsc->clk);
+ retval = clk_enable(tsc->clk);
+ if (retval) {
+ dev_err(&tsc->dev->dev,
+ "clk_enable failed, ret %d\n", retval);
+ return;
+ }
tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP;
--
1.9.1
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