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| author | Jia-Ju Bai <baijiaju1990@gmail.com> | 2018-07-27 21:29:56 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-07-27 21:59:05 +0300 |
| commit | e58650b57ee0078ac8986650febeb55263f9ebdf (patch) | |
| tree | 50d784bca7aa667d84dcd8e6bf3ffa0f536cda7d /drivers/input/touchscreen | |
| parent | 6c6212aa22978abb6eba8b9d9f0478ede14fc39b (diff) | |
| download | linux-e58650b57ee0078ac8986650febeb55263f9ebdf.tar.xz | |
Input: wdt87xx_i2c - replace mdelay() with msleep() in wdt87xx_resume()
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 <baijiaju1990@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen')
| -rw-r--r-- | drivers/input/touchscreen/wdt87xx_i2c.c | 2 |
1 files changed, 1 insertions, 1 deletions
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) |