From 86f34614b6294caee572886f0e855fa940cf5d65 Mon Sep 17 00:00:00 2001 From: Mike Nicholson Date: Thu, 7 Feb 2019 17:53:49 -0600 Subject: Enable DMA on dbgu serial (fixes overrun issue) --- .../linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch index aac6245..1a26150 100644 --- a/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch +++ b/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch @@ -1,7 +1,7 @@ diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts linux-4.9.87/arch/arm/boot/dts/mtrv1.dts --- linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts 1969-12-31 18:00:00.000000000 -0600 +++ linux-4.9.87/arch/arm/boot/dts/mtrv1.dts 2019-02-05 10:02:39.107727466 -0600 -@@ -0,0 +1,259 @@ +@@ -0,0 +1,261 @@ +/* + * DTS file for Multi-Tech Systems MTRv1 Hardware + * @@ -111,6 +111,8 @@ diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts linux-4.9.87/arch/arm/b + + dbgu: serial@fffff200 { + status = "okay"; ++ atmel,use-dma-rx; ++ atmel,use-dma-tx; + }; + + spi@f0000000 { -- cgit v1.2.3