Re: [PATCH 23/23] clocksource: exynos_mct: Add support for handling three clusters

From: Krzysztof Kozlowski
Date: Thu Jan 13 2022 - 08:36:36 EST


On 13/01/2022 13:11, Alim Akhtar wrote:
> From: Aswani Reddy <aswani.reddy@xxxxxxxxxxx>
>
> This patch adds support for handling thress clusters
> (upto 12 CPUs)
>
> Cc: linux-fsd@xxxxxxxxx
> Signed-off-by: Aswani Reddy <aswani.reddy@xxxxxxxxxxx>
> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> ---
> drivers/clocksource/exynos_mct.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
> index 5e3e96d3d1b9..ba3af940a687 100644
> --- a/drivers/clocksource/exynos_mct.c
> +++ b/drivers/clocksource/exynos_mct.c
> @@ -78,6 +78,10 @@ enum {
> MCT_L5_IRQ,
> MCT_L6_IRQ,
> MCT_L7_IRQ,
> + MCT_L8_IRQ,
> + MCT_L9_IRQ,
> + MCT_L10_IRQ,
> + MCT_L11_IRQ,

I think this should be variable, based on SoC compatible. The mistake
was done already when adding Exynos5420 support by Linaro/Samsung, but
at least let's correct it now.

Older MCTs/SoCs do not support 12 local interrupts, so they do not need
and should not register so many interrupts.


Best regards,
Krzysztof