linux-kernel - Re: [PATCH 2/4] interconnect: qcom: qcm2290: Fix mas_snoc

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Date: Tue, 26 Mar 2024 21:16:14 +0100
From: Stephan Gerhold <stephan@...hold.net>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Georgi Djakov <djakov@...nel.org>, Shawn Guo <shawn.guo@...aro.org>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] interconnect: qcom: qcm2290: Fix mas_snoc_bimc QoS
 port assignment

On Tue, Mar 26, 2024 at 08:42:33PM +0100, Konrad Dybcio wrote:
> The value was wrong, resulting in misprogramming of the hardware.
> Fix it.
> 
> Fixes: 1a14b1ac3935 ("interconnect: qcom: Add QCM2290 driver support")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  drivers/interconnect/qcom/qcm2290.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/interconnect/qcom/qcm2290.c b/drivers/interconnect/qcom/qcm2290.c
> index 96735800b13c..ba4cc08684d6 100644
> --- a/drivers/interconnect/qcom/qcm2290.c
> +++ b/drivers/interconnect/qcom/qcm2290.c
> @@ -164,7 +164,7 @@ static struct qcom_icc_node mas_snoc_bimc = {
>  	.name = "mas_snoc_bimc",
>  	.buswidth = 16,
>  	.qos.ap_owned = true,
> -	.qos.qos_port = 2,
> +	.qos.qos_port = 6,
>  	.qos.qos_mode = NOC_QOS_MODE_BYPASS,
>  	.mas_rpm_id = 164,

The mas_rpm_id is also wrong, I think it should be = 3. This looks
wrongly copy pasted from BIMC_NRT. The qos_port on the other hand was
copied from BIMC_RT. I wonder how that happened. :')

Thanks,
Stephan