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Re: [PATCH v2] arm: irq: l2c: do not print error in case of missing l2c from dtb

From Krzysztof Kozlowski <k.kozlowski@samsung.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2] arm: irq: l2c: do not print error in case of missing l2c from dtb
Date 2016-01-12 09:30 +0100
Message-ID <qQ2v1-6Gt-23@gated-at.bofh.it> (permalink)
References <qQ1pg-61J-11@gated-at.bofh.it> <qQ1yV-65c-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 12.01.2016 16:24, Andi Shyti wrote:
> In some architectures the L2 cache controller is integrated in the
> processor's block itself and it doesn't use any external cache
> controller. This means that an entry in the board's dtb related
> to the l2c is not necessary.
> 
> Distinguish between error codes and print just an information in
> case of -ENODEV.
> 
> This patch converts the following error message:
> 
>    L2C: failed to init: -19
> 
> to the following info:
> 
>    L2C: no controller entry found in the dtb
> 
> on boards like odroid-xu4, cortex A7/A15, which don't have
> external cache controller.
> 
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> Reported-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---
> 
> Thanks Joe,
> 
> makes sense!
> 
> Andi
> 
>  arch/arm/kernel/irq.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Works (Odroid XU3, Exynos5422) and looks good for me:

Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

Best regards,
Krzysztof

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[PATCH] arm: irq: l2c: do not print error in case of missing l2c from  dtb Andi Shyti <andi.shyti@samsung.com> - 2016-01-12 07:40 +0100
  Re: [PATCH] arm: irq: l2c: do not print error in case of missing  l2c from dtb Joe Perches <joe@perches.com> - 2016-01-12 08:20 +0100
    [PATCH v2] arm: irq: l2c: do not print error in case of missing l2c  from dtb Andi Shyti <andi.shyti@samsung.com> - 2016-01-12 08:30 +0100
      Re: [PATCH v2] arm: irq: l2c: do not print error in case of missing  l2c from dtb Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-01-12 09:30 +0100
    Re: [PATCH] arm: irq: l2c: do not print error in case of missing l2c  from dtb Marek Szyprowski <m.szyprowski@samsung.com> - 2016-01-12 09:40 +0100
      [PATCH v3] arm: irq: l2c: do not print error in case of missing l2c  from dtb Andi Shyti <andi.shyti@samsung.com> - 2016-01-12 11:20 +0100
        Re: [PATCH v3] arm: irq: l2c: do not print error in case of missing  l2c from dtb Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-01-13 01:00 +0100

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