On 11/20/2018 04:27 PM, Akinobu Mita wrote: > Documentation/timers/timers-howto.txt says: > > "msleep(1~20) may not do what the caller intends, and will often sleep > longer (~20 ms actual sleep for any value given in the 1~20ms range)." > > So replace msleep(2) by usleep_range(2000, 3000). Please just repost patch 6/6 with this change merged in. Thanks! Hans > > Reported-by: Hans Verkuil <hansverk@xxxxxxxxx> > Cc: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> > Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > Cc: Hans Verkuil <hansverk@xxxxxxxxx> > Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx> > --- > This fixes "[PATCH v4 6/6] media: video-i2c: support runtime PM" in the > patchset "[PATCH v4 0/6] media: video-i2c: support changing frame interval > and runtime PM". > > drivers/media/i2c/video-i2c.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c > index 0c82131..77080d7 100644 > --- a/drivers/media/i2c/video-i2c.c > +++ b/drivers/media/i2c/video-i2c.c > @@ -155,7 +155,7 @@ static int amg88xx_set_power_on(struct video_i2c_data *data) > if (ret) > return ret; > > - msleep(2); > + usleep_range(2000, 3000); > > ret = regmap_write(data->regmap, AMG88XX_REG_RST, AMG88XX_RST_FLAG); > if (ret) >