ARM: dts: bcm2711: Don't mark timer regs unconfigured

Commit Message

Stefan Wahren Feb. 22, 2025, 9:41 a.m. UTC

From: Phil Elwell <[e-mail]>

During upstream process of Raspberry Pi 4 back in 2019 the ARMv7 stubs
didn't configured the ARM architectural timer. This firmware issue has
been fixed in 2020, which gave users enough time to update their system.

So drop this property to allow the use of the vDSO version of
clock_gettime.

Link: https://github.com/raspberrypi/tools/pull/113
Fixes: 7dbe8c62ceeb ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Phil Elwell <[e-mail]>
Signed-off-by: Stefan Wahren <[e-mail]>
---
 arch/arm/boot/dts/broadcom/bcm2711.dtsi | 2 --
 1 file changed, 2 deletions(-)

--
2.34.1

Comments

Krzysztof Kozlowski Feb. 22, 2025, 10:44 a.m. UTC | #1

On 22/02/2025 10:41, Stefan Wahren wrote:
> From: Phil Elwell <[e-mail]>
> 
> During upstream process of Raspberry Pi 4 back in 2019 the ARMv7 stubs
> didn't configured the ARM architectural timer. This firmware issue has
> been fixed in 2020, which gave users enough time to update their system.
> 
> So drop this property to allow the use of the vDSO version of
> clock_gettime.
> 
> Link: https://github.com/raspberrypi/tools/pull/113
> Fixes: 7dbe8c62ceeb ("ARM: dts: Add minimal Raspberry Pi 4 support")
> Signed-off-by: Phil Elwell <[e-mail]>
> Signed-off-by: Stefan Wahren <[e-mail]>
> ---


Reviewed-by: Krzysztof Kozlowski <[e-mail]>

Best regards,
Krzysztof

Patch

diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
index e4e42af21ef3..7cf93fdc676c 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
@@ -451,8 +451,6 @@  IRQ_TYPE_LEVEL_LOW)>,
 					  IRQ_TYPE_LEVEL_LOW)>,
 			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
 					  IRQ_TYPE_LEVEL_LOW)>;
-		/* This only applies to the ARMv7 stub */
-		arm,cpu-registers-not-fw-configured;
 	};

 	cpus: cpus {