linux-kernel - Re: [PATCH 1/4] interconnect: qcom: sm6115: Unspaghettify SNoC QoS port numbering

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Date: Tue, 26 Mar 2024 22:13:07 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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, Stephan Gerhold <stephan@...hold.net>
Subject: Re: [PATCH 1/4] interconnect: qcom: sm6115: Unspaghettify SNoC QoS
 port numbering

On Tue, 26 Mar 2024 at 21:43, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> When I was creating this driver, my bright mind overlooked the existence
> of desc->qos_offset and decided to make up for the difference it made by
> adding 21 (0x15) to the port index on SNoC and its downstream buses.
>
> Undo this mistake to make the indices actually mean something.

So, what is the meaning of qos_port?

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

>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  drivers/interconnect/qcom/sm6115.c | 33 ++++++++++++++++++---------------
>  1 file changed, 18 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/interconnect/qcom/sm6115.c b/drivers/interconnect/qcom/sm6115.c
> index 7e15ddf0a80a..271b07c74862 100644
> --- a/drivers/interconnect/qcom/sm6115.c
> +++ b/drivers/interconnect/qcom/sm6115.c
> @@ -242,7 +242,7 @@ static struct qcom_icc_node crypto_c0 = {
>         .id = SM6115_MASTER_CRYPTO_CORE0,
>         .channels = 1,
>         .buswidth = 8,
> -       .qos.qos_port = 43,
> +       .qos.qos_port = 22,
>         .qos.qos_mode = NOC_QOS_MODE_FIXED,
>         .qos.areq_prio = 2,
>         .mas_rpm_id = 23,
>


-- 
With best wishes
Dmitry