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: devicet...@vger.kernel.org Cc: Hans de Goede <hdego...@redhat.com> Cc: Rob Herring <r...@kernel.org> Cc: Roger Quadros <rog...@ti.com> Cc: Sebastian Reichel <sebastian.reic...@collabora.co.uk> Cc: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com> Signed-off-by: Tony Lindgren <t...@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; -- 2.13.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html