diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0597-arm-dts-Add-coherent_pool-1M-to-Pi-4-bootargs.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0597-arm-dts-Add-coherent_pool-1M-to-Pi-4-bootargs.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0597-arm-dts-Add-coherent_pool-1M-to-Pi-4-bootargs.patch b/target/linux/brcm2708/patches-4.19/950-0597-arm-dts-Add-coherent_pool-1M-to-Pi-4-bootargs.patch new file mode 100644 index 0000000000..222de5bafb --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0597-arm-dts-Add-coherent_pool-1M-to-Pi-4-bootargs.patch @@ -0,0 +1,28 @@ +From f9dfd577dcc8e3173ddce79bca535eeee0fad1a4 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Tue, 2 Jul 2019 17:13:05 +0100 +Subject: [PATCH] arm: dts: Add coherent_pool=1M to Pi 4 bootargs + +Downstream Raspberry Pi dts files add "coherent_pool=1M" to the kernel +command line to aid the dwc_otg driver, but this excluded Pi 4 which +uses a new XCHI interface instead. UAS also benefits from a larger +coherent_pool value, so replicate the addition in bcm2711-rpi-4-b.dts. + +See: https://github.com/raspberrypi/linux/pull/3040 + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts ++++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +@@ -14,7 +14,7 @@ + }; + + chosen { +- bootargs = "8250.nr_uarts=1 cma=64M"; ++ bootargs = "coherent_pool=1M 8250.nr_uarts=1 cma=64M"; + }; + + aliases { |