From a1383655cfaa71609d6236ae0fcf3b6047462b98 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 29 Feb 2020 09:25:20 +0100 Subject: bcm27xx: add linux 5.4 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas --- ...-Declare-DMA-capability-with-HCD_DMA-flag.patch | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch b/target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch new file mode 100644 index 0000000000..3307eacccf --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch @@ -0,0 +1,27 @@ +From 941d43e29b1fa7352eb006b5ec37d6990ed3b877 Mon Sep 17 00:00:00 2001 +From: Phil Elwell +Date: Fri, 15 Nov 2019 08:48:08 +0000 +Subject: [PATCH] dwc_otg: Declare DMA capability with HCD_DMA flag + +Following [1], USB controllers have to declare DMA capabilities in +order for them to be used by adding the HCD_DMA flag to their hc_driver +struct. + +[1] 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities") + +Signed-off-by: Phil Elwell +--- + drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c ++++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c +@@ -138,7 +138,7 @@ static struct hc_driver dwc_otg_hc_drive + + .irq = dwc_otg_hcd_irq, + +- .flags = HCD_MEMORY | HCD_USB2, ++ .flags = HCD_MEMORY | HCD_DMA | HCD_USB2, + + //.reset = + .start = hcd_start, -- cgit v1.2.3