diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0761-ARM-dts-bcm2711-rpi-ds-Disable-the-BCM2835-STC.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0761-ARM-dts-bcm2711-rpi-ds-Disable-the-BCM2835-STC.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0761-ARM-dts-bcm2711-rpi-ds-Disable-the-BCM2835-STC.patch b/target/linux/bcm27xx/patches-5.15/950-0761-ARM-dts-bcm2711-rpi-ds-Disable-the-BCM2835-STC.patch new file mode 100644 index 0000000000..efe7acafd9 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0761-ARM-dts-bcm2711-rpi-ds-Disable-the-BCM2835-STC.patch @@ -0,0 +1,27 @@ +From 296f6ab3a619b47b6f8d4ac42ec704a700df08b2 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Tue, 8 Mar 2022 12:47:49 +0000 +Subject: [PATCH] ARM: dts: bcm2711-rpi-ds: Disable the BCM2835 STC + +Although BCM2711 still includes the old BCM2835 system timer, the newer +per-core local timers are preferred because they are more efficient to +access and can generate core-specific interrupts. Make the usage clear +by disabling the driver for the old STC. + +See: https://github.com/raspberrypi/firmware/issues/1702 + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/bcm2711-rpi-ds.dtsi | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi ++++ b/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi +@@ -203,3 +203,7 @@ + &dvp { + status = "disabled"; + }; ++ ++&system_timer { ++ status = "disabled"; ++}; |