Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <5fb4d78b-05a2-1a31-c1db-878c0a6d0380@gmail.com>
Date:   Fri, 9 Jun 2023 17:52:31 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.11.2
Subject: Re: [PATCH 4/9] regulator: mt6358: Drop *_SSHUB regulators
Content-Language: en-US, ca-ES, es-ES
To:     Chen-Yu Tsai <wenst@chromium.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
References: <20230609083009.2822259-1-wenst@chromium.org>
 <20230609083009.2822259-5-wenst@chromium.org>
From:   Matthias Brugger <matthias.bgg@gmail.com>
In-Reply-To: <20230609083009.2822259-5-wenst@chromium.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk


On 09/06/2023 10:30, Chen-Yu Tsai wrote:
> The *_SSHUB regulators are actually alternate configuration interfaces
> for their non *_SSHUB counterparts. They are not separate regulator
> outputs. These registers are intended for the companion processor to
> use to configure the power rails while the main processor is sleeping.
> They are not intended for the main operating system to use.
> 
> Since they are not real outputs they shouldn't be modeled separately.
> Remove them. Luckily no device tree actually uses them.
> 
> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

> ---
>   drivers/regulator/mt6358-regulator.c       | 14 --------------
>   include/linux/regulator/mt6358-regulator.h |  4 ----
>   2 files changed, 18 deletions(-)
> 
> diff --git a/drivers/regulator/mt6358-regulator.c b/drivers/regulator/mt6358-regulator.c
> index faf6b0757019..946a251a8b3a 100644
> --- a/drivers/regulator/mt6358-regulator.c
> +++ b/drivers/regulator/mt6358-regulator.c
> @@ -505,9 +505,6 @@ static struct mt6358_regulator_info mt6358_regulators[] = {
>   	MT6358_BUCK("buck_vcore", VCORE, 500000, 1293750, 6250,
>   		    buck_volt_range1, 0x7f, MT6358_BUCK_VCORE_DBG0, 0x7f,
>   		    MT6358_VCORE_VGPU_ANA_CON0, 1),
> -	MT6358_BUCK("buck_vcore_sshub", VCORE_SSHUB, 500000, 1293750, 6250,
> -		    buck_volt_range1, 0x7f, MT6358_BUCK_VCORE_SSHUB_ELR0, 0x7f,
> -		    MT6358_VCORE_VGPU_ANA_CON0, 1),
>   	MT6358_BUCK("buck_vpa", VPA, 500000, 3650000, 50000,
>   		    buck_volt_range3, 0x3f, MT6358_BUCK_VPA_DBG0, 0x3f,
>   		    MT6358_VPA_ANA_CON0, 3),
> @@ -583,10 +580,6 @@ static struct mt6358_regulator_info mt6358_regulators[] = {
>   	MT6358_LDO1("ldo_vsram_others", VSRAM_OTHERS, 500000, 1293750, 6250,
>   		    buck_volt_range1, MT6358_LDO_VSRAM_OTHERS_DBG0, 0x7f00,
>   		    MT6358_LDO_VSRAM_CON2, 0x7f),
> -	MT6358_LDO1("ldo_vsram_others_sshub", VSRAM_OTHERS_SSHUB, 500000,
> -		    1293750, 6250, buck_volt_range1,
> -		    MT6358_LDO_VSRAM_OTHERS_SSHUB_CON1, 0x7f,
> -		    MT6358_LDO_VSRAM_OTHERS_SSHUB_CON1, 0x7f),
>   	MT6358_LDO1("ldo_vsram_gpu", VSRAM_GPU, 500000, 1293750, 6250,
>   		    buck_volt_range1, MT6358_LDO_VSRAM_GPU_DBG0, 0x7f00,
>   		    MT6358_LDO_VSRAM_CON3, 0x7f),
> @@ -603,9 +596,6 @@ static struct mt6358_regulator_info mt6366_regulators[] = {
>   	MT6366_BUCK("buck_vcore", VCORE, 500000, 1293750, 6250,
>   		    buck_volt_range1, 0x7f, MT6358_BUCK_VCORE_DBG0, 0x7f,
>   		    MT6358_VCORE_VGPU_ANA_CON0, 1),
> -	MT6366_BUCK("buck_vcore_sshub", VCORE_SSHUB, 500000, 1293750, 6250,
> -		    buck_volt_range1, 0x7f, MT6358_BUCK_VCORE_SSHUB_ELR0, 0x7f,
> -		    MT6358_VCORE_VGPU_ANA_CON0, 1),
>   	MT6366_BUCK("buck_vpa", VPA, 500000, 3650000, 50000,
>   		    buck_volt_range3, 0x3f, MT6358_BUCK_VPA_DBG0, 0x3f,
>   		    MT6358_VPA_ANA_CON0, 3),
> @@ -670,10 +660,6 @@ static struct mt6358_regulator_info mt6366_regulators[] = {
>   	MT6366_LDO1("ldo_vsram_others", VSRAM_OTHERS, 500000, 1293750, 6250,
>   		    buck_volt_range1, MT6358_LDO_VSRAM_OTHERS_DBG0, 0x7f00,
>   		    MT6358_LDO_VSRAM_CON2, 0x7f),
> -	MT6366_LDO1("ldo_vsram_others_sshub", VSRAM_OTHERS_SSHUB, 500000,
> -		    1293750, 6250, buck_volt_range1,
> -		    MT6358_LDO_VSRAM_OTHERS_SSHUB_CON1, 0x7f,
> -		    MT6358_LDO_VSRAM_OTHERS_SSHUB_CON1, 0x7f),
>   	MT6366_LDO1("ldo_vsram_gpu", VSRAM_GPU, 500000, 1293750, 6250,
>   		    buck_volt_range1, MT6358_LDO_VSRAM_GPU_DBG0, 0x7f00,
>   		    MT6358_LDO_VSRAM_CON3, 0x7f),
> diff --git a/include/linux/regulator/mt6358-regulator.h b/include/linux/regulator/mt6358-regulator.h
> index a4307cd9edd6..c71a6a9fce7a 100644
> --- a/include/linux/regulator/mt6358-regulator.h
> +++ b/include/linux/regulator/mt6358-regulator.h
> @@ -47,8 +47,6 @@ enum {
>   	MT6358_ID_VLDO28,
>   	MT6358_ID_VAUD28,
>   	MT6358_ID_VSIM2,
> -	MT6358_ID_VCORE_SSHUB,
> -	MT6358_ID_VSRAM_OTHERS_SSHUB,
>   	MT6358_ID_RG_MAX,
>   };
>   
> @@ -88,8 +86,6 @@ enum {
>   	MT6366_ID_VMC,
>   	MT6366_ID_VAUD28,
>   	MT6366_ID_VSIM2,
> -	MT6366_ID_VCORE_SSHUB,
> -	MT6366_ID_VSRAM_OTHERS_SSHUB,
>   	MT6366_ID_RG_MAX,
>   };
>