summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/s3c-hsudc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/s3c-hsudc.c')
-rw-r--r--drivers/usb/gadget/s3c-hsudc.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index df8661d..cef9b82 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>
@@ -145,7 +146,7 @@ struct s3c_hsudc {
struct usb_gadget_driver *driver;
struct device *dev;
struct s3c24xx_hsudc_platdata *pd;
- struct otg_transceiver *transceiver;
+ struct usb_phy *transceiver;
struct regulator_bulk_data supplies[ARRAY_SIZE(s3c_hsudc_supply_names)];
spinlock_t lock;
void __iomem *regs;
@@ -759,7 +760,7 @@ static int s3c_hsudc_ep_enable(struct usb_ep *_ep,
unsigned long flags;
u32 ecr = 0;
- hsep = container_of(_ep, struct s3c_hsudc_ep, ep);
+ hsep = our_ep(_ep);
if (!_ep || !desc || hsep->desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| hsep->bEndpointAddress != desc->bEndpointAddress
@@ -816,6 +817,7 @@ static int s3c_hsudc_ep_disable(struct usb_ep *_ep)
s3c_hsudc_nuke_ep(hsep, -ESHUTDOWN);
hsep->desc = 0;
+ hsep->ep.desc = NULL;
hsep->stopped = 1;
spin_unlock_irqrestore(&hsudc->lock, flags);
@@ -853,7 +855,7 @@ static void s3c_hsudc_free_request(struct usb_ep *ep, struct usb_request *_req)
{
struct s3c_hsudc_req *hsreq;
- hsreq = container_of(_req, struct s3c_hsudc_req, req);
+ hsreq = our_req(_req);
WARN_ON(!list_empty(&hsreq->queue));
kfree(hsreq);
}
@@ -876,12 +878,12 @@ static int s3c_hsudc_queue(struct usb_ep *_ep, struct usb_request *_req,
u32 offset;
u32 csr;
- hsreq = container_of(_req, struct s3c_hsudc_req, req);
+ hsreq = our_req(_req);
if ((!_req || !_req->complete || !_req->buf ||
!list_empty(&hsreq->queue)))
return -EINVAL;
- hsep = container_of(_ep, struct s3c_hsudc_ep, ep);
+ hsep = our_ep(_ep);
hsudc = hsep->dev;
if (!hsudc->driver || hsudc->gadget.speed == USB_SPEED_UNKNOWN)
return -ESHUTDOWN;
@@ -935,7 +937,7 @@ static int s3c_hsudc_dequeue(struct usb_ep *_ep, struct usb_request *_req)
struct s3c_hsudc_req *hsreq;
unsigned long flags;
- hsep = container_of(_ep, struct s3c_hsudc_ep, ep);
+ hsep = our_ep(_ep);
if (!_ep || hsep->ep.name == ep0name)
return -EINVAL;
@@ -1005,6 +1007,7 @@ static void s3c_hsudc_initep(struct s3c_hsudc *hsudc,
hsep->ep.ops = &s3c_hsudc_ep_ops;
hsep->fifo = hsudc->regs + S3C_BR(epnum);
hsep->desc = 0;
+ hsep->ep.desc = NULL;
hsep->stopped = 0;
hsep->wedge = 0;
@@ -1166,7 +1169,8 @@ static int s3c_hsudc_start(struct usb_gadget *gadget,
/* connect to bus through transceiver */
if (hsudc->transceiver) {
- ret = otg_set_peripheral(hsudc->transceiver, &hsudc->gadget);
+ ret = otg_set_peripheral(hsudc->transceiver->otg,
+ &hsudc->gadget);
if (ret) {
dev_err(hsudc->dev, "%s: can't bind to transceiver\n",
hsudc->gadget.name);
@@ -1178,6 +1182,9 @@ 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();
@@ -1208,13 +1215,16 @@ 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);
spin_unlock_irqrestore(&hsudc->lock, flags);
if (hsudc->transceiver)
- (void) otg_set_peripheral(hsudc->transceiver, NULL);
+ (void) otg_set_peripheral(hsudc->transceiver->otg, NULL);
disable_irq(hsudc->irq);
@@ -1243,7 +1253,7 @@ static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA)
return -ENODEV;
if (hsudc->transceiver)
- return otg_set_power(hsudc->transceiver, mA);
+ return usb_phy_set_power(hsudc->transceiver, mA);
return -EOPNOTSUPP;
}
@@ -1275,7 +1285,7 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev)
hsudc->dev = dev;
hsudc->pd = pdev->dev.platform_data;
- hsudc->transceiver = otg_get_transceiver();
+ hsudc->transceiver = usb_get_transceiver();
for (i = 0; i < ARRAY_SIZE(hsudc->supplies); i++)
hsudc->supplies[i].supply = s3c_hsudc_supply_names[i];
@@ -1362,6 +1372,8 @@ 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);
@@ -1377,7 +1389,7 @@ err_remap:
release_mem_region(res->start, resource_size(res));
err_res:
if (hsudc->transceiver)
- otg_put_transceiver(hsudc->transceiver);
+ usb_put_transceiver(hsudc->transceiver);
regulator_bulk_free(ARRAY_SIZE(hsudc->supplies), hsudc->supplies);
err_supplies: