| Message ID | 20170525161333.32639-2-tony@atomide.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, 25 May 2017, Tony Lindgren wrote: > This is needed in preparation of adding support for omap3 and > later OHCI. The runtime PM will only do something on platforms > that implement it. > > Cc: devicetree@vger.kernel.org > Cc: Hans de Goede <hdegoede@redhat.com> > Cc: Rob Herring <robh@kernel.org> > Cc: Roger Quadros <rogerq@ti.com> > Cc: Sebastian Reichel <sebastian.reichel@collabora.co.uk> > Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> > Signed-off-by: Tony Lindgren <tony@atomide.com> > --- > drivers/usb/host/ohci-platform.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c > --- a/drivers/usb/host/ohci-platform.c > +++ b/drivers/usb/host/ohci-platform.c > @@ -24,6 +24,7 @@ > #include <linux/err.h> > #include <linux/phy/phy.h> > #include <linux/platform_device.h> > +#include <linux/pm_runtime.h> > #include <linux/reset.h> > #include <linux/usb/ohci_pdriver.h> > #include <linux/usb.h> > @@ -242,6 +243,8 @@ static int ohci_platform_probe(struct platform_device *dev) > } > #endif > > + pm_runtime_set_active(&dev->dev); > + pm_runtime_enable(&dev->dev); > if (pdata->power_on) { > err = pdata->power_on(dev); > if (err < 0) > @@ -271,6 +274,7 @@ static int ohci_platform_probe(struct platform_device *dev) > if (pdata->power_off) > pdata->power_off(dev); > err_reset: > + pm_runtime_disable(&dev->dev); > while (--rst >= 0) > reset_control_assert(priv->resets[rst]); > err_put_clks: > @@ -292,6 +296,7 @@ static int ohci_platform_remove(struct platform_device *dev) > struct ohci_platform_priv *priv = hcd_to_ohci_priv(hcd); > int clk, rst; > > + pm_runtime_get_sync(&dev->dev); > usb_remove_hcd(hcd); > > if (pdata->power_off) > @@ -305,6 +310,9 @@ static int ohci_platform_remove(struct platform_device *dev) > > usb_put_hcd(hcd); > > + pm_runtime_put_sync(&dev->dev); > + pm_runtime_disable(&dev->dev); > + > if (pdata == &ohci_platform_defaults) > dev->dev.platform_data = NULL; Acked-by: Alan Stern <stern@rowland.harvard.edu> -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 25/05/17 19:13, Tony Lindgren wrote: > This is needed in preparation of adding support for omap3 and > later OHCI. The runtime PM will only do something on platforms > that implement it. > > Cc: devicetree@vger.kernel.org > Cc: Hans de Goede <hdegoede@redhat.com> > Cc: Rob Herring <robh@kernel.org> > Cc: Roger Quadros <rogerq@ti.com> > Cc: Sebastian Reichel <sebastian.reichel@collabora.co.uk> > Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> > Signed-off-by: Tony Lindgren <tony@atomide.com> Acked-by: Roger Quadros <rogerq@ti.com> > --- > drivers/usb/host/ohci-platform.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c > --- a/drivers/usb/host/ohci-platform.c > +++ b/drivers/usb/host/ohci-platform.c > @@ -24,6 +24,7 @@ > #include <linux/err.h> > #include <linux/phy/phy.h> > #include <linux/platform_device.h> > +#include <linux/pm_runtime.h> > #include <linux/reset.h> > #include <linux/usb/ohci_pdriver.h> > #include <linux/usb.h> > @@ -242,6 +243,8 @@ static int ohci_platform_probe(struct platform_device *dev) > } > #endif > > + pm_runtime_set_active(&dev->dev); > + pm_runtime_enable(&dev->dev); > if (pdata->power_on) { > err = pdata->power_on(dev); > if (err < 0) > @@ -271,6 +274,7 @@ static int ohci_platform_probe(struct platform_device *dev) > if (pdata->power_off) > pdata->power_off(dev); > err_reset: > + pm_runtime_disable(&dev->dev); > while (--rst >= 0) > reset_control_assert(priv->resets[rst]); > err_put_clks: > @@ -292,6 +296,7 @@ static int ohci_platform_remove(struct platform_device *dev) > struct ohci_platform_priv *priv = hcd_to_ohci_priv(hcd); > int clk, rst; > > + pm_runtime_get_sync(&dev->dev); > usb_remove_hcd(hcd); > > if (pdata->power_off) > @@ -305,6 +310,9 @@ static int ohci_platform_remove(struct platform_device *dev) > > usb_put_hcd(hcd); > > + pm_runtime_put_sync(&dev->dev); > + pm_runtime_disable(&dev->dev); > + > if (pdata == &ohci_platform_defaults) > dev->dev.platform_data = NULL; > >
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/reset.h> #include <linux/usb/ohci_pdriver.h> #include <linux/usb.h> @@ -242,6 +243,8 @@ static int ohci_platform_probe(struct platform_device *dev) } #endif + pm_runtime_set_active(&dev->dev); + pm_runtime_enable(&dev->dev); if (pdata->power_on) { err = pdata->power_on(dev); if (err < 0) @@ -271,6 +274,7 @@ static int ohci_platform_probe(struct platform_device *dev) if (pdata->power_off) pdata->power_off(dev); err_reset: + pm_runtime_disable(&dev->dev); while (--rst >= 0) reset_control_assert(priv->resets[rst]); err_put_clks: @@ -292,6 +296,7 @@ static int ohci_platform_remove(struct platform_device *dev) struct ohci_platform_priv *priv = hcd_to_ohci_priv(hcd); int clk, rst; + pm_runtime_get_sync(&dev->dev); usb_remove_hcd(hcd); if (pdata->power_off) @@ -305,6 +310,9 @@ static int ohci_platform_remove(struct platform_device *dev) usb_put_hcd(hcd); + pm_runtime_put_sync(&dev->dev); + pm_runtime_disable(&dev->dev); + if (pdata == &ohci_platform_defaults) dev->dev.platform_data = NULL;
This is needed in preparation of adding support for omap3 and later OHCI. The runtime PM will only do something on platforms that implement it. Cc: devicetree@vger.kernel.org Cc: Hans de Goede <hdegoede@redhat.com> Cc: Rob Herring <robh@kernel.org> Cc: Roger Quadros <rogerq@ti.com> Cc: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Tony Lindgren <tony@atomide.com> --- drivers/usb/host/ohci-platform.c | 8 ++++++++ 1 file changed, 8 insertions(+)