On Tue, Nov 08, 2016 at 03:05:30PM -0700, Tony Lindgren wrote: > OK. The patch below still works for me with musb_core.c > autosuspend_delay set to 100. Also works with it set to 10. > > Note that we had two timeouts without this.. Can you try > playing with the timeout in musb_core.c and see if that > helps? This patch works for me, also with autosuspend_delay set to 10. Tested-by: Ladislav Michl <ladis@xxxxxxxxxxxxxx> Thank you, ladis > Regards, > > Tony > > 8< ------------------ > diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c > --- a/drivers/usb/musb/musb_core.c > +++ b/drivers/usb/musb/musb_core.c > @@ -1898,8 +1898,7 @@ static void musb_pm_runtime_check_session(struct musb *musb) > musb->quirk_retries = 3; > } else { > musb_dbg(musb, "Allow PM with no session: %02x", devctl); > - pm_runtime_mark_last_busy(musb->controller); > - pm_runtime_put_autosuspend(musb->controller); > + pm_runtime_put_sync_suspend(musb->controller); > } > > musb->session = s; > @@ -2268,7 +2267,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) > * 500 ms for some margin. > */ > pm_runtime_use_autosuspend(musb->controller); > - pm_runtime_set_autosuspend_delay(musb->controller, 500); > + pm_runtime_set_autosuspend_delay(musb->controller, 100); > pm_runtime_enable(musb->controller); > pm_runtime_get_sync(musb->controller); > > diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c > --- a/drivers/usb/musb/omap2430.c > +++ b/drivers/usb/musb/omap2430.c > @@ -513,17 +513,18 @@ static int omap2430_probe(struct platform_device *pdev) > } > > pm_runtime_enable(glue->dev); > - pm_runtime_use_autosuspend(glue->dev); > - pm_runtime_set_autosuspend_delay(glue->dev, 100); > > ret = platform_device_add(musb); > if (ret) { > dev_err(&pdev->dev, "failed to register musb device\n"); > - goto err2; > + goto err3; > } > > return 0; > > +err3: > + pm_runtime_disable(glue->dev); > + > err2: > platform_device_put(musb); > > @@ -535,10 +536,7 @@ static int omap2430_remove(struct platform_device *pdev) > { > struct omap2430_glue *glue = platform_get_drvdata(pdev); > > - pm_runtime_get_sync(glue->dev); > platform_device_unregister(glue->musb); > - pm_runtime_put_sync(glue->dev); > - pm_runtime_dont_use_autosuspend(glue->dev); > pm_runtime_disable(glue->dev); > > return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html