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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-29 09:25:20 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-29 12:50:51 +0100 |
| commit | a1383655cfaa71609d6236ae0fcf3b6047462b98 (patch) | |
| tree | c6f123859e0dfcfaa6c1063eda26f27e208d3cac /target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch | |
| parent | a8aa974a9dfb4cba484dc4c1e4207fd9ec803410 (diff) | |
| download | upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.tar.gz upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.tar.bz2 upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.zip | |
bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B).
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0353-dwc_otg-Declare-DMA-capability-with-HCD_DMA-flag.patch | 27 |
1 files changed, 27 insertions, 0 deletions
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 <phil@raspberrypi.org> +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 <phil@raspberrypi.org> +--- + 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, |