[PATCH AUTOSEL 4.14 38/69] USB: omap_udc: fix rejection of out transfers when DMA is used
STALE2858d
From: Sasha Levin <sashal@kernel.org>
Date: 2018-12-05 09:45:37
Also in:
linux-usb, lkml
Subsystem:
omap usb support, the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
From: Aaro Koskinen <aaro.koskinen@iki.fi>
[ Upstream commit 069caf5950dfa75d0526cd89c439ff9d9d3136d8 ]
Commit 387f869d2579 ("usb: gadget: u_ether: conditionally align
transfer size") started aligning transfer size only if requested,
breaking omap_udc DMA mode. Set quirk_ep_out_aligned_size to restore
the old behaviour.
Fixes: 387f869d2579 ("usb: gadget: u_ether: conditionally align transfer size")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/gadget/udc/omap_udc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index c8facc8aa87e..ee0b87a0773c 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c@@ -2661,6 +2661,7 @@ omap_udc_setup(struct platform_device *odev, struct usb_phy *xceiv) udc->gadget.speed = USB_SPEED_UNKNOWN; udc->gadget.max_speed = USB_SPEED_FULL; udc->gadget.name = driver_name; + udc->gadget.quirk_ep_out_aligned_size = 1; udc->transceiver = xceiv; /* ep0 is special; put it right after the SETUP buffer */
--
2.17.1