target/linux/bcm27xx/patches-5.4/950-0342-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch

   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
   5
   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
   8 struct.
   9
  10 [1] 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
  11
  12 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  13 ---
  14  drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 +-
  15  1 file changed, 1 insertion(+), 1 deletion(-)
  16
  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
  20
  21         .irq = dwc_otg_hcd_irq,
  22
  23 -       .flags = HCD_MEMORY | HCD_USB2,
  24 +       .flags = HCD_MEMORY | HCD_DMA | HCD_USB2,
  25
  26         //.reset =
  27         .start = hcd_start,