diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0953-ARM-dts-bcm2835-Use-the-L2-non-allocating-alias.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0953-ARM-dts-bcm2835-Use-the-L2-non-allocating-alias.patch | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0953-ARM-dts-bcm2835-Use-the-L2-non-allocating-alias.patch b/target/linux/bcm27xx/patches-5.4/950-0953-ARM-dts-bcm2835-Use-the-L2-non-allocating-alias.patch deleted file mode 100644 index d87ffc8c22..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0953-ARM-dts-bcm2835-Use-the-L2-non-allocating-alias.patch +++ /dev/null @@ -1,30 +0,0 @@ -From 121fdf16a2ff4cf651c376a37eeca255544c47fd Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.com> -Date: Thu, 27 Aug 2020 17:57:18 +0100 -Subject: [PATCH] ARM: dts: bcm2835: Use the L2 non-allocating alias - -The /soc/dma-ranges property on BCM2835 currently results in DMA -addresses in the range 0x40000000-0x5fffffff. This will allocate in the -system L2 cache, which may adversely affect performance. - -Change the dma-ranges property to give addresses in the range -0x80000000-0x9fffffff, which are coherent with L2 but non-allocating. - -See: https://github.com/raspberrypi/linux/issues/3602 - -Signed-off-by: Phil Elwell <phil@raspberrypi.com> ---- - arch/arm/boot/dts/bcm2835.dtsi | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/arm/boot/dts/bcm2835.dtsi -+++ b/arch/arm/boot/dts/bcm2835.dtsi -@@ -18,7 +18,7 @@ - - soc { - ranges = <0x7e000000 0x20000000 0x02000000>; -- dma-ranges = <0x40000000 0x00000000 0x20000000>; -+ dma-ranges = <0x80000000 0x00000000 0x20000000>; - }; - - arm-pmu { |