Hi Nicholas, Thank you for the patch. On Monday 16 Jan 2017 14:58:33 Nicholas Mc Guire wrote: > ulseep_range() uses hrtimers and provides no advantage over msleep() > for larger delays. Fix up the 25ms delays here to use msleep() and > reduce the load on the hrtimer subsystem. > > Link: http://lkml.org/lkml/2017/1/11/377 > Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> and applied to my tree. I'll send a pull request for v4.11. > --- > Problem found by coccinelle script > > Patch was compile tested with: x86_64_defconfig + CONFIG_MEDIA_SUPPORT=m > CONFIG_MEDIA_ANALOG_TV_SUPPORT=y, CONFIG_MEDIA_CONTROLLER=y > CONFIG_VIDEO_V4L2_SUBDEV_API=y, CONFIG_MEDIA_SUBDRV_AUTOSELECT=n > CONFIG_VIDEO_OV9650=m > > Patch is aginast 4.10-rc3 (localversion-next is next-20170116) > > drivers/media/i2c/ov9650.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/i2c/ov9650.c b/drivers/media/i2c/ov9650.c > index 502c722..2de2fbb 100644 > --- a/drivers/media/i2c/ov9650.c > +++ b/drivers/media/i2c/ov9650.c > @@ -522,7 +522,7 @@ static void __ov965x_set_power(struct ov965x *ov965x, > int on) if (on) { > ov965x_gpio_set(ov965x->gpios[GPIO_PWDN], 0); > ov965x_gpio_set(ov965x->gpios[GPIO_RST], 0); > - usleep_range(25000, 26000); > + msleep(25); > } else { > ov965x_gpio_set(ov965x->gpios[GPIO_RST], 1); > ov965x_gpio_set(ov965x->gpios[GPIO_PWDN], 1); > @@ -1438,7 +1438,7 @@ static int ov965x_detect_sensor(struct v4l2_subdev > *sd) > > mutex_lock(&ov965x->lock); > __ov965x_set_power(ov965x, 1); > - usleep_range(25000, 26000); > + msleep(25); > > /* Check sensor revision */ > ret = ov965x_read(client, REG_PID, &pid); -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html