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path: root/drivers/usb/gadget/pxa27x_udc.c
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Diffstat (limited to 'drivers/usb/gadget/pxa27x_udc.c')
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 75eba202f737..e02bfd4df3a6 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -1526,7 +1526,8 @@ static void udc_disable(struct pxa_udc *udc)
ep0_idle(udc);
udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
+ if (udc->mach->udc_command)
+ udc->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
}
/**
@@ -1546,7 +1547,6 @@ static __init void udc_init_data(struct pxa_udc *dev)
INIT_LIST_HEAD(&dev->gadget.ep0->ep_list);
dev->udc_usb_ep[0].pxa_ep = &dev->pxa_ep[0];
ep0_idle(dev);
- strcpy(dev->dev->bus_id, "");
/* PXA endpoints init */
for (i = 0; i < NR_PXA_ENDPOINTS; i++) {
@@ -1746,13 +1746,10 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
ep_err(ep, "wrong to have extra bytes for setup : 0x%08x\n", i);
}
- le16_to_cpus(&u.r.wValue);
- le16_to_cpus(&u.r.wIndex);
- le16_to_cpus(&u.r.wLength);
-
ep_dbg(ep, "SETUP %02x.%02x v%04x i%04x l%04x\n",
u.r.bRequestType, u.r.bRequest,
- u.r.wValue, u.r.wIndex, u.r.wLength);
+ le16_to_cpu(u.r.wValue), le16_to_cpu(u.r.wIndex),
+ le16_to_cpu(u.r.wLength));
if (unlikely(have_extrabytes))
goto stall;
@@ -2296,7 +2293,8 @@ static void pxa_udc_shutdown(struct platform_device *_dev)
{
struct pxa_udc *udc = platform_get_drvdata(_dev);
- udc_disable(udc);
+ if (udc_readl(udc, UDCCR) & UDCCR_UDE)
+ udc_disable(udc);
}
#ifdef CONFIG_PM
@@ -2361,9 +2359,8 @@ static int pxa_udc_resume(struct platform_device *_dev)
* Upon exit from sleep mode and before clearing OTGPH,
* Software must configure the USB OTG pad, UDC, and UHC
* to the state they were in before entering sleep mode.
- *
- * Should be : PSSR |= PSSR_OTGPH;
*/
+ PSSR |= PSSR_OTGPH;
return 0;
}
@@ -2387,6 +2384,9 @@ static struct platform_driver udc_driver = {
static int __init udc_init(void)
{
+ if (!cpu_is_pxa27x())
+ return -ENODEV;
+
printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION);
return platform_driver_probe(&udc_driver, pxa_udc_probe);
}