diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0814-overlays-dwc2-Increase-RX-FIFO-size.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0814-overlays-dwc2-Increase-RX-FIFO-size.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0814-overlays-dwc2-Increase-RX-FIFO-size.patch b/target/linux/brcm2708/patches-4.19/950-0814-overlays-dwc2-Increase-RX-FIFO-size.patch deleted file mode 100644 index a8e7bd3c90..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0814-overlays-dwc2-Increase-RX-FIFO-size.patch +++ /dev/null @@ -1,32 +0,0 @@ -From 389107911744588cce5e06c23a058c9cfb641f33 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.com> -Date: Tue, 4 Feb 2020 13:03:21 +0000 -Subject: [PATCH] overlays: dwc2: Increase RX FIFO size - -The previous version of the dwc2 overlay set the RX FIFO size to -256 4-byte words. This sounds large enough for a 1024 byte packet (the -largest isochronous high speed packet allowed), but it doesn't take -into account some extra space needed by the hardware. - -Minas Harutyunyan at Synopsys (the source of the DWC OTG design) -came up with a more correct value, 301, but since there is spare packet -RAM this can be increased to 558 to allow two packets per frame. - -See: https://github.com/raspberrypi/linux/issues/3447 - -Signed-off-by: Phil Elwell <phil@raspberrypi.com> ---- - arch/arm/boot/dts/overlays/dwc2-overlay.dts | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/arm/boot/dts/overlays/dwc2-overlay.dts -+++ b/arch/arm/boot/dts/overlays/dwc2-overlay.dts -@@ -12,7 +12,7 @@ - compatible = "brcm,bcm2835-usb"; - dr_mode = "otg"; - g-np-tx-fifo-size = <32>; -- g-rx-fifo-size = <256>; -+ g-rx-fifo-size = <558>; - g-tx-fifo-size = <512 512 512 512 512 256 256>; - status = "okay"; - }; |