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Commit 294f78ec authored by Heiko Stübner's avatar Heiko Stübner Committed by Felipe Balbi
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usb: s3c-hsudc: add basic runtime_pm calls 



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: default avatarHeiko Stuebner <heiko@sntech.de>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 2d4172c9

drivers/usb/gadget/s3c-hsudc.c

+9 −0
Original line number Diff line number Diff line
@@ -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);