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path: root/drivers/usb/gadget/udc
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Diffstat (limited to 'drivers/usb/gadget/udc')
-rw-r--r--drivers/usb/gadget/udc/fsl_qe_udc.c6
-rw-r--r--drivers/usb/gadget/udc/udc-xilinx.c20
2 files changed, 17 insertions, 9 deletions
diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c
index 2707be628..cbd8d6c74 100644
--- a/drivers/usb/gadget/udc/fsl_qe_udc.c
+++ b/drivers/usb/gadget/udc/fsl_qe_udc.c
@@ -1950,9 +1950,13 @@ static void ch9getstatus(struct qe_udc *udc, u8 request_type, u16 value,
} else if ((request_type & USB_RECIP_MASK) == USB_RECIP_ENDPOINT) {
/* Get endpoint status */
int pipe = index & USB_ENDPOINT_NUMBER_MASK;
- struct qe_ep *target_ep = &udc->eps[pipe];
+ struct qe_ep *target_ep;
u16 usep;
+ if (pipe >= USB_MAX_ENDPOINTS)
+ goto stall;
+ target_ep = &udc->eps[pipe];
+
/* stall if endpoint doesn't exist */
if (!target_ep->ep.desc)
goto stall;
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index 72f1bc6a6..5b73a2aec 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -496,11 +496,13 @@ static int xudc_eptxrx(struct xusb_ep *ep, struct xusb_req *req,
/* Get the Buffer address and copy the transmit data.*/
eprambase = (u32 __force *)(udc->addr + ep->rambase);
if (ep->is_in) {
- memcpy(eprambase, bufferptr, bytestosend);
+ memcpy_toio((void __iomem *)eprambase, bufferptr,
+ bytestosend);
udc->write_fn(udc->addr, ep->offset +
XUSB_EP_BUF0COUNT_OFFSET, bufferlen);
} else {
- memcpy(bufferptr, eprambase, bytestosend);
+ memcpy_toio((void __iomem *)bufferptr, eprambase,
+ bytestosend);
}
/*
* Enable the buffer for transmission.
@@ -514,11 +516,13 @@ static int xudc_eptxrx(struct xusb_ep *ep, struct xusb_req *req,
eprambase = (u32 __force *)(udc->addr + ep->rambase +
ep->ep_usb.maxpacket);
if (ep->is_in) {
- memcpy(eprambase, bufferptr, bytestosend);
+ memcpy_toio((void __iomem *)eprambase, bufferptr,
+ bytestosend);
udc->write_fn(udc->addr, ep->offset +
XUSB_EP_BUF1COUNT_OFFSET, bufferlen);
} else {
- memcpy(bufferptr, eprambase, bytestosend);
+ memcpy_toio((void __iomem *)bufferptr, eprambase,
+ bytestosend);
}
/*
* Enable the buffer for transmission.
@@ -1020,7 +1024,7 @@ static int __xudc_ep0_queue(struct xusb_ep *ep0, struct xusb_req *req)
udc->addr);
length = req->usb_req.actual = min_t(u32, length,
EP0_MAX_PACKET);
- memcpy(corebuf, req->usb_req.buf, length);
+ memcpy_toio((void __iomem *)corebuf, req->usb_req.buf, length);
udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, length);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
} else {
@@ -1746,7 +1750,7 @@ static void xudc_handle_setup(struct xusb_udc *udc)
/* Load up the chapter 9 command buffer.*/
ep0rambase = (u32 __force *) (udc->addr + XUSB_SETUP_PKT_ADDR_OFFSET);
- memcpy(&setup, ep0rambase, 8);
+ memcpy_toio((void __iomem *)&setup, ep0rambase, 8);
udc->setup = setup;
udc->setup.wValue = cpu_to_le16(setup.wValue);
@@ -1833,7 +1837,7 @@ static void xudc_ep0_out(struct xusb_udc *udc)
(ep0->rambase << 2));
buffer = req->usb_req.buf + req->usb_req.actual;
req->usb_req.actual = req->usb_req.actual + bytes_to_rx;
- memcpy(buffer, ep0rambase, bytes_to_rx);
+ memcpy_toio((void __iomem *)buffer, ep0rambase, bytes_to_rx);
if (req->usb_req.length == req->usb_req.actual) {
/* Data transfer completed get ready for Status stage */
@@ -1909,7 +1913,7 @@ static void xudc_ep0_in(struct xusb_udc *udc)
(ep0->rambase << 2));
buffer = req->usb_req.buf + req->usb_req.actual;
req->usb_req.actual = req->usb_req.actual + length;
- memcpy(ep0rambase, buffer, length);
+ memcpy_toio((void __iomem *)ep0rambase, buffer, length);
}
udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, count);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);