diff options
| author | Neil Armstrong <neil.armstrong@linaro.org> | 2024-10-11 16:38:24 +0200 |
|---|---|---|
| committer | Mattijs Korpershoek <mkorpershoek@baylibre.com> | 2024-10-15 11:03:56 +0200 |
| commit | 1f12fc7e3350b179d17efaf5ba00fc3683cf33ec (patch) | |
| tree | e28098ab347fb2380efd61dea147db732e3449f8 /drivers/usb/dwc3/ep0.c | |
| parent | c54c72dec7948093b200ae1290575a1e9abbbb40 (diff) | |
usb: dwc3: allocate setup_buf with dma_alloc_coherent()
Since setup_buf is also consumed by hardware DMA, aligns it's
allocation like other hardware buffers by introduce setup_buf_addr
populated by dma_alloc_coherent(), and use it to pass the physical
address of the buffer to the hardware.
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20241011-u-boot-dwc3-gadget-dcache-fixup-v4-1-5f3498d8035b@linaro.org
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Diffstat (limited to 'drivers/usb/dwc3/ep0.c')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 24f516a131b..8ba5fcd5312 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -380,7 +380,7 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc, dep = dwc->eps[0]; dwc->ep0_usb_req.dep = dep; dwc->ep0_usb_req.request.length = sizeof(*response_pkt); - dwc->ep0_usb_req.request.buf = dwc->setup_buf; + dwc->ep0_usb_req.request.buf = (void *)dwc->setup_buf_addr; dwc->ep0_usb_req.request.complete = dwc3_ep0_status_cmpl; return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req); @@ -662,7 +662,7 @@ static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dep = dwc->eps[0]; dwc->ep0_usb_req.dep = dep; dwc->ep0_usb_req.request.length = dep->endpoint.maxpacket; - dwc->ep0_usb_req.request.buf = dwc->setup_buf; + dwc->ep0_usb_req.request.buf = (void *)dwc->setup_buf_addr; dwc->ep0_usb_req.request.complete = dwc3_ep0_set_sel_cmpl; return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req); |