linux-kernel - Re: [PATCH] iommu/arm-smmu-qcom: record reason for deferring probe

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Message-ID: <ecomdlciigigng36ao6j4sj25dmbkoy6j5qun6nje3ok4rp6ld@n7cwb7v2ynbt>
Date: Tue, 2 Jul 2024 14:08:40 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Zhenhua Huang <quic_zhenhuah@...cinc.com>
Cc: robdclark@...il.com, will@...nel.org, robin.murphy@....com, 
	joro@...tes.org, iommu@...ts.linux.dev, linux-arm-msm@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/arm-smmu-qcom: record reason for deferring probe

On Tue, Jul 02, 2024 at 05:01:10PM GMT, Zhenhua Huang wrote:
> To avoid deferring probe smmu driver silently, record reason for it.
> It can be checked through ../debugfs/devices_deferred as well:
> /sys/kernel/debug# cat devices_deferred
> 15000000.iommu  arm-smmu: qcom_scm not ready
> 
> Signed-off-by: Zhenhua Huang <quic_zhenhuah@...cinc.com>
> ---
>  drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry