wdt87xx_resume() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
---
drivers/input/touchscreen/wdt87xx_i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/wdt87xx_i2c.c
b/drivers/input/touchscreen/wdt87xx_i2c.c
index 20f7f3902757..166edeb77776 100644
--- a/drivers/input/touchscreen/wdt87xx_i2c.c
+++ b/drivers/input/touchscreen/wdt87xx_i2c.c
@@ -1142,7 +1142,7 @@ static int __maybe_unused wdt87xx_resume(struct device
*dev)
* The chip may have been reset while system is resuming,
* give it some time to settle.
*/
- mdelay(100);
+ msleep(100);
error = wdt87xx_send_command(client, VND_CMD_START, 0);
if (error)
--
2.17.0
