| Message ID | 1448556091-502-1-git-send-email-ludovic.desroches@atmel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 26 November 2015 at 17:41, Ludovic Desroches <ludovic.desroches@atmel.com> wrote: > When calling sdhci_add_host(), the controller is already suspended. It > causes to read 0 in registers. > Increment the device's usage counter before calling sdhci_add_host(), > decrement it after and put it in suspend if it is possible. > > Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> > Fixes: "mmc: sdhci-of-at91: add PM support" Thanks, applied for next! Actually I decided to squash this change into the "Fixes commit" itself, thus not breaking bisecting. Kind regards Uffe > --- > drivers/mmc/host/sdhci-of-at91.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c > index 81ab9db..7e7d8f0 100644 > --- a/drivers/mmc/host/sdhci-of-at91.c > +++ b/drivers/mmc/host/sdhci-of-at91.c > @@ -200,6 +200,7 @@ static int sdhci_at91_probe(struct platform_device *pdev) > > sdhci_get_of_property(pdev); > > + pm_runtime_get_noresume(&pdev->dev); > pm_runtime_set_active(&pdev->dev); > pm_runtime_enable(&pdev->dev); > pm_runtime_set_autosuspend_delay(&pdev->dev, 50); > @@ -209,6 +210,8 @@ static int sdhci_at91_probe(struct platform_device *pdev) > if (ret) > goto pm_runtime_disable; > > + pm_runtime_put_autosuspend(&pdev->dev); > + > return 0; > > pm_runtime_disable: > -- > 2.5.0 > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Fri, Nov 27, 2015 at 03:11:58PM +0100, Ulf Hansson wrote: > On 26 November 2015 at 17:41, Ludovic Desroches > <ludovic.desroches@atmel.com> wrote: > > When calling sdhci_add_host(), the controller is already suspended. It > > causes to read 0 in registers. > > Increment the device's usage counter before calling sdhci_add_host(), > > decrement it after and put it in suspend if it is possible. > > > > Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> > > Fixes: "mmc: sdhci-of-at91: add PM support" > > Thanks, applied for next! > > Actually I decided to squash this change into the "Fixes commit" > itself, thus not breaking bisecting. Ok perfect. Thanks Regards Ludovic -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index 81ab9db..7e7d8f0 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -200,6 +200,7 @@ static int sdhci_at91_probe(struct platform_device *pdev) sdhci_get_of_property(pdev); + pm_runtime_get_noresume(&pdev->dev); pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); pm_runtime_set_autosuspend_delay(&pdev->dev, 50); @@ -209,6 +210,8 @@ static int sdhci_at91_probe(struct platform_device *pdev) if (ret) goto pm_runtime_disable; + pm_runtime_put_autosuspend(&pdev->dev); + return 0; pm_runtime_disable:
When calling sdhci_add_host(), the controller is already suspended. It causes to read 0 in registers. Increment the device's usage counter before calling sdhci_add_host(), decrement it after and put it in suspend if it is possible. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Fixes: "mmc: sdhci-of-at91: add PM support" --- drivers/mmc/host/sdhci-of-at91.c | 3 +++ 1 file changed, 3 insertions(+)