This will enable the system to check for activity of the usb gadget and also in a later patch to control the usbphy power-domain. When handling the power domain there, it will be possible to remove another reference to architecture code. Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx> --- drivers/usb/gadget/s3c-hsudc.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index 41b3a58..5e87293 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -30,6 +30,7 @@ #include <linux/prefetch.h> #include <linux/platform_data/s3c-hsudc.h> #include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> #include <mach/regs-s3c2443-clock.h> @@ -1178,6 +1179,9 @@ static int s3c_hsudc_start(struct usb_gadget *gadget, dev_info(hsudc->dev, "bound driver %s\n", driver->driver.name); s3c_hsudc_reconfig(hsudc); + + pm_runtime_get_sync(hsudc->dev); + s3c_hsudc_init_phy(); if (hsudc->pd->gpio_init) hsudc->pd->gpio_init(); @@ -1208,6 +1212,9 @@ static int s3c_hsudc_stop(struct usb_gadget *gadget, hsudc->gadget.dev.driver = NULL; hsudc->gadget.speed = USB_SPEED_UNKNOWN; s3c_hsudc_uninit_phy(); + + pm_runtime_put(hsudc->dev); + if (hsudc->pd->gpio_uninit) hsudc->pd->gpio_uninit(); s3c_hsudc_stop_activity(hsudc); @@ -1362,6 +1369,8 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev) if (ret) goto err_add_udc; + pm_runtime_enable(dev); + return 0; err_add_udc: device_unregister(&hsudc->gadget.dev); -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
