1 From e13c663bfc75a628ba25afdf3f3b4a40a2c0250e Mon Sep 17 00:00:00 2001
2 From: P33M <p33m@github.com>
3 Date: Wed, 1 May 2019 15:00:05 +0100
4 Subject: [PATCH] dts: Increase default coherent pool size
6 dwc_otg allocates DMA-coherent buffers in atomic context for misaligned
7 transfer buffers. The pool that these allocations come from is set up
8 at boot-time but can be overridden by a commandline parameter -
9 increase this for now to prevent failures seen on 4.19 with multiple
12 see: https://github.com/raspberrypi/linux/issues/2924
14 arch/arm/boot/dts/bcm270x.dtsi | 2 +-
15 1 file changed, 1 insertion(+), 1 deletion(-)
17 --- a/arch/arm/boot/dts/bcm270x.dtsi
18 +++ b/arch/arm/boot/dts/bcm270x.dtsi
24 + bootargs = "coherent_pool=1M";
25 /delete-property/ stdout-path;