1 From 941d43e29b1fa7352eb006b5ec37d6990ed3b877 Mon Sep 17 00:00:00 2001
2 From: Phil Elwell <phil@raspberrypi.org>
3 Date: Fri, 15 Nov 2019 08:48:08 +0000
4 Subject: [PATCH] dwc_otg: Declare DMA capability with HCD_DMA flag
6 Following [1], USB controllers have to declare DMA capabilities in
7 order for them to be used by adding the HCD_DMA flag to their hc_driver
10 [1] 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
12 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
14 drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 +-
15 1 file changed, 1 insertion(+), 1 deletion(-)
17 --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
18 +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
19 @@ -119,7 +119,7 @@ static struct hc_driver dwc_otg_hc_drive
21 .irq = dwc_otg_hcd_irq,
23 - .flags = HCD_MEMORY | HCD_USB2,
24 + .flags = HCD_MEMORY | HCD_DMA | HCD_USB2,