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path: root/drivers/usb/gadget/r8a66597-udc.c
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Diffstat (limited to 'drivers/usb/gadget/r8a66597-udc.c')
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c67
1 files changed, 20 insertions, 47 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index f3ac2a20c27..b698a490cc7 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1469,11 +1469,11 @@ static irqreturn_t r8a66597_irq(int irq, void *_r8a66597)
u16 savepipe;
u16 mask0;
+ spin_lock(&r8a66597->lock);
+
if (r8a66597_is_sudmac(r8a66597))
r8a66597_sudmac_irq(r8a66597);
- spin_lock(&r8a66597->lock);
-
intsts0 = r8a66597_read(r8a66597, INTSTS0);
intenb0 = r8a66597_read(r8a66597, INTENB0);
@@ -1812,7 +1812,7 @@ static int r8a66597_set_selfpowered(struct usb_gadget *gadget, int is_self)
return 0;
}
-static struct usb_gadget_ops r8a66597_gadget_ops = {
+static const struct usb_gadget_ops r8a66597_gadget_ops = {
.get_frame = r8a66597_get_frame,
.udc_start = r8a66597_start,
.udc_stop = r8a66597_stop,
@@ -1822,7 +1822,7 @@ static struct usb_gadget_ops r8a66597_gadget_ops = {
static int __exit r8a66597_remove(struct platform_device *pdev)
{
- struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ struct r8a66597 *r8a66597 = platform_get_drvdata(pdev);
usb_del_gadget_udc(&r8a66597->gadget);
del_timer_sync(&r8a66597->timer);
@@ -1831,13 +1831,12 @@ static int __exit r8a66597_remove(struct platform_device *pdev)
iounmap(r8a66597->sudmac_reg);
free_irq(platform_get_irq(pdev, 0), r8a66597);
r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
-#ifdef CONFIG_HAVE_CLK
+
if (r8a66597->pdata->on_chip) {
- clk_disable(r8a66597->clk);
+ clk_disable_unprepare(r8a66597->clk);
clk_put(r8a66597->clk);
}
-#endif
- device_unregister(&r8a66597->gadget.dev);
+
kfree(r8a66597);
return 0;
}
@@ -1868,9 +1867,7 @@ static int __init r8a66597_sudmac_ioremap(struct r8a66597 *r8a66597,
static int __init r8a66597_probe(struct platform_device *pdev)
{
-#ifdef CONFIG_HAVE_CLK
char clk_name[8];
-#endif
struct resource *res, *ires;
int irq;
void __iomem *reg = NULL;
@@ -1907,34 +1904,23 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597 = kzalloc(sizeof(struct r8a66597), GFP_KERNEL);
if (r8a66597 == NULL) {
ret = -ENOMEM;
- dev_err(&pdev->dev, "kzalloc error\n");
goto clean_up;
}
spin_lock_init(&r8a66597->lock);
- dev_set_drvdata(&pdev->dev, r8a66597);
- r8a66597->pdata = pdev->dev.platform_data;
+ platform_set_drvdata(pdev, r8a66597);
+ r8a66597->pdata = dev_get_platdata(&pdev->dev);
r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
r8a66597->gadget.ops = &r8a66597_gadget_ops;
- dev_set_name(&r8a66597->gadget.dev, "gadget");
r8a66597->gadget.max_speed = USB_SPEED_HIGH;
- r8a66597->gadget.dev.parent = &pdev->dev;
- r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
- r8a66597->gadget.dev.release = pdev->dev.release;
r8a66597->gadget.name = udc_name;
- ret = device_register(&r8a66597->gadget.dev);
- if (ret < 0) {
- dev_err(&pdev->dev, "device_register failed\n");
- goto clean_up;
- }
init_timer(&r8a66597->timer);
r8a66597->timer.function = r8a66597_timer;
r8a66597->timer.data = (unsigned long)r8a66597;
r8a66597->reg = reg;
-#ifdef CONFIG_HAVE_CLK
if (r8a66597->pdata->on_chip) {
snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
r8a66597->clk = clk_get(&pdev->dev, clk_name);
@@ -1942,11 +1928,11 @@ static int __init r8a66597_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
clk_name);
ret = PTR_ERR(r8a66597->clk);
- goto clean_up_dev;
+ goto clean_up;
}
- clk_enable(r8a66597->clk);
+ clk_prepare_enable(r8a66597->clk);
}
-#endif
+
if (r8a66597->pdata->sudmac) {
ret = r8a66597_sudmac_ioremap(r8a66597, pdev);
if (ret < 0)
@@ -1977,9 +1963,9 @@ static int __init r8a66597_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&ep->queue);
ep->ep.name = r8a66597_ep_name[i];
ep->ep.ops = &r8a66597_ep_ops;
- ep->ep.maxpacket = 512;
+ usb_ep_set_maxpacket_limit(&ep->ep, 512);
}
- r8a66597->ep[0].ep.maxpacket = 64;
+ usb_ep_set_maxpacket_limit(&r8a66597->ep[0].ep, 64);
r8a66597->ep[0].pipenum = 0;
r8a66597->ep[0].fifoaddr = CFIFO;
r8a66597->ep[0].fifosel = CFIFOSEL;
@@ -1990,8 +1976,10 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597->ep0_req = r8a66597_alloc_request(&r8a66597->ep[0].ep,
GFP_KERNEL);
- if (r8a66597->ep0_req == NULL)
+ if (r8a66597->ep0_req == NULL) {
+ ret = -ENOMEM;
goto clean_up3;
+ }
r8a66597->ep0_req->complete = nop_completion;
ret = usb_add_gadget_udc(&pdev->dev, &r8a66597->gadget);
@@ -2006,14 +1994,10 @@ err_add_udc:
clean_up3:
free_irq(irq, r8a66597);
clean_up2:
-#ifdef CONFIG_HAVE_CLK
if (r8a66597->pdata->on_chip) {
- clk_disable(r8a66597->clk);
+ clk_disable_unprepare(r8a66597->clk);
clk_put(r8a66597->clk);
}
-clean_up_dev:
-#endif
- device_unregister(&r8a66597->gadget.dev);
clean_up:
if (r8a66597) {
if (r8a66597->sudmac_reg)
@@ -2036,21 +2020,10 @@ static struct platform_driver r8a66597_driver = {
.name = (char *) udc_name,
},
};
-MODULE_ALIAS("platform:r8a66597_udc");
-
-static int __init r8a66597_udc_init(void)
-{
- return platform_driver_probe(&r8a66597_driver, r8a66597_probe);
-}
-module_init(r8a66597_udc_init);
-static void __exit r8a66597_udc_cleanup(void)
-{
- platform_driver_unregister(&r8a66597_driver);
-}
-module_exit(r8a66597_udc_cleanup);
+module_platform_driver_probe(r8a66597_driver, r8a66597_probe);
MODULE_DESCRIPTION("R8A66597 USB gadget driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yoshihiro Shimoda");
-
+MODULE_ALIAS("platform:r8a66597_udc");