linux-kernel - Re: [PATCH 3/5] interconnect: qcom: msm8996: Fix regmap max

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Message-ID: <CAA8EJpo0MJ_-S5ZZXq3mrwod3bUdnnMHNwSOzpwK=gXSjDO6vg@mail.gmail.com>
Date:   Sat, 10 Dec 2022 23:53:30 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org,
        marijn.suijten@...ainline.org, Georgi Djakov <djakov@...nel.org>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] interconnect: qcom: msm8996: Fix regmap max_register values

On Sat, 10 Dec 2022 at 23:04, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> The device tree reg starts at BUS_BASE + QoS_OFFSET, but the regmap
> configs in the ICC driver had values suggesting the reg started at
> BUS_BASE. Shrink them down (where they haven't been already, so for
> providers where QoS_OFFSET = 0) to make sure they stay within their
> window.
>
> Fixes: 7add937f5222 ("interconnect: qcom: Add MSM8996 interconnect provider driver")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  drivers/interconnect/qcom/msm8996.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

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

>
> diff --git a/drivers/interconnect/qcom/msm8996.c b/drivers/interconnect/qcom/msm8996.c
> index 7ddb1f23fb2a..25a1a32bc611 100644
> --- a/drivers/interconnect/qcom/msm8996.c
> +++ b/drivers/interconnect/qcom/msm8996.c
> @@ -1813,7 +1813,7 @@ static const struct regmap_config msm8996_a0noc_regmap_config = {
>         .reg_bits       = 32,
>         .reg_stride     = 4,
>         .val_bits       = 32,
> -       .max_register   = 0x9000,
> +       .max_register   = 0x6000,
>         .fast_io        = true
>  };
>
> @@ -1837,7 +1837,7 @@ static const struct regmap_config msm8996_a1noc_regmap_config = {
>         .reg_bits       = 32,
>         .reg_stride     = 4,
>         .val_bits       = 32,
> -       .max_register   = 0x7000,
> +       .max_register   = 0x5000,
>         .fast_io        = true
>  };
>
> @@ -1858,7 +1858,7 @@ static const struct regmap_config msm8996_a2noc_regmap_config = {
>         .reg_bits       = 32,
>         .reg_stride     = 4,
>         .val_bits       = 32,
> -       .max_register   = 0xa000,
> +       .max_register   = 0x7000,
>         .fast_io        = true
>  };
>
> @@ -1886,7 +1886,7 @@ static const struct regmap_config msm8996_bimc_regmap_config = {
>         .reg_bits       = 32,
>         .reg_stride     = 4,
>         .val_bits       = 32,
> -       .max_register   = 0x62000,
> +       .max_register   = 0x5a000,
>         .fast_io        = true
>  };
>
> @@ -1997,7 +1997,7 @@ static const struct regmap_config msm8996_mnoc_regmap_config = {
>         .reg_bits       = 32,
>         .reg_stride     = 4,
>         .val_bits       = 32,
> -       .max_register   = 0x20000,
> +       .max_register   = 0x1c000,
>         .fast_io        = true
>  };
>
> --
> 2.38.1
>


-- 
With best wishes
Dmitry