USB: omap_udc: fix rejection of out transfers when DMA is used
authorAaro Koskinen <aaro.koskinen@iki.fi>
Sat, 24 Nov 2018 22:17:08 +0000 (00:17 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 17 Dec 2018 08:28:51 +0000 (09:28 +0100)
[ 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 <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/gadget/udc/omap_udc.c

index c8facc8..ee0b87a 100644 (file)
@@ -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 */