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a1383655cf
Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
916 B
Diff
28 lines
916 B
Diff
From 941d43e29b1fa7352eb006b5ec37d6990ed3b877 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 15 Nov 2019 08:48:08 +0000
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Subject: [PATCH] dwc_otg: Declare DMA capability with HCD_DMA flag
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Following [1], USB controllers have to declare DMA capabilities in
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order for them to be used by adding the HCD_DMA flag to their hc_driver
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struct.
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[1] 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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@@ -138,7 +138,7 @@ static struct hc_driver dwc_otg_hc_drive
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.irq = dwc_otg_hcd_irq,
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- .flags = HCD_MEMORY | HCD_USB2,
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+ .flags = HCD_MEMORY | HCD_DMA | HCD_USB2,
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//.reset =
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.start = hcd_start,
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