[PATCH] irqchip: Replace compared GIC version with ID_AA64PFR0_EL1_GIC_V4P1

Marc Zyngier maz at kernel.org
Wed Jul 24 07:36:32 PDT 2024


On Wed, 24 Jul 2024 06:46:23 +0100,
Anshuman Khandual <anshuman.khandual at arm.com> wrote:
> 
> Replace open encoding for GIC version code with ID_AA64PFR0_EL1_GIC_V4P1 in
> gic_cpuif_has_vsgi().

Please fix the subject format to say "irqchip/gic-v4.1".

> 
> Cc: Marc Zyngier <maz at kernel.org>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>
> ---
> Applies after the following patch that fixes the given field in tools sysreg.
> 
> https://lore.kernel.org/all/20240718215532.616447-1-rananta@google.com/
> 
>  drivers/irqchip/irq-gic-v4.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c
> index ca32ac19d284..58c28895f8c4 100644
> --- a/drivers/irqchip/irq-gic-v4.c
> +++ b/drivers/irqchip/irq-gic-v4.c
> @@ -97,7 +97,7 @@ bool gic_cpuif_has_vsgi(void)
>  
>  	fld = cpuid_feature_extract_unsigned_field(reg, ID_AA64PFR0_EL1_GIC_SHIFT);
>  
> -	return fld >= 0x3;
> +	return fld >= ID_AA64PFR0_EL1_GIC_V4P1;
>  }
>  #else
>  bool gic_cpuif_has_vsgi(void)

Please repost this *once* the dependent patch is actually merged, so
that we don't have to think of the dependencies.

With that:

Acked-by: Marc Zyngier <maz at kernel.org>

	M.

-- 
Without deviation from the norm, progress is not possible.



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