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From: AngeloGioacchino Del Regno  <angelogioacchino.delregno@collabora.com>
To: "allen-kh.cheng" <allen-kh.cheng@mediatek.com>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Tinghan Shen <tinghan.shen@mediatek.com>
Cc: Mark Brown <broonie@kernel.org>,
	linux-remoteproc@vger.kernel.org,
	Project_Global_Chrome_Upstream_Group@mediatek.com,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp
Date: Tue, 4 Jan 2022 09:43:24 +0100	[thread overview]
Message-ID: <39f95db9-9d52-e64c-7444-ccd8d88cc522@collabora.com> (raw)
In-Reply-To: <20220103075854.10438-2-allen-kh.cheng@mediatek.com>

Il 03/01/22 08:58, allen-kh.cheng ha scritto:
> Add SCP support for mt8186
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>

Hello! Thanks for the patch!
However, there's something to improve...

> ---
>   drivers/remoteproc/mtk_scp.c | 39 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 39 insertions(+)
> 
> diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
> index 36e48cf58ed6..38eab6b86fd7 100644
> --- a/drivers/remoteproc/mtk_scp.c
> +++ b/drivers/remoteproc/mtk_scp.c
> @@ -365,6 +365,31 @@ static int mt8183_scp_before_load(struct mtk_scp *scp)
>   	return 0;
>   }
>   
> +static int mt8186_scp_before_load(struct mtk_scp *scp)
> +{
> +	int i;
> +
> +	/* Clear SCP to host interrupt */
> +	writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
> +
> +	/* Reset clocks before loading FW */
> +	writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
> +	writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
> +

.............

> +	/* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/
> +	for (i = 31; i >= 0; i--)
> +		writel(GENMASK(i, 0), scp->reg_base + MT8183_SCP_SRAM_PDN);
> +	writel(0, scp->reg_base + MT8183_SCP_SRAM_PDN);
> +

.............

This snippet corresponds exactly to the mt8192_power_on_sram() helper:
please avoid code duplication by simply calling that function instead.

Thanks,
- Angelo

WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: "allen-kh.cheng" <allen-kh.cheng@mediatek.com>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Tinghan Shen <tinghan.shen@mediatek.com>
Cc: Mark Brown <broonie@kernel.org>,
	linux-remoteproc@vger.kernel.org,
	Project_Global_Chrome_Upstream_Group@mediatek.com,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp
Date: Tue, 4 Jan 2022 09:43:24 +0100	[thread overview]
Message-ID: <39f95db9-9d52-e64c-7444-ccd8d88cc522@collabora.com> (raw)
In-Reply-To: <20220103075854.10438-2-allen-kh.cheng@mediatek.com>

Il 03/01/22 08:58, allen-kh.cheng ha scritto:
> Add SCP support for mt8186
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>

Hello! Thanks for the patch!
However, there's something to improve...

> ---
>   drivers/remoteproc/mtk_scp.c | 39 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 39 insertions(+)
> 
> diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
> index 36e48cf58ed6..38eab6b86fd7 100644
> --- a/drivers/remoteproc/mtk_scp.c
> +++ b/drivers/remoteproc/mtk_scp.c
> @@ -365,6 +365,31 @@ static int mt8183_scp_before_load(struct mtk_scp *scp)
>   	return 0;
>   }
>   
> +static int mt8186_scp_before_load(struct mtk_scp *scp)
> +{
> +	int i;
> +
> +	/* Clear SCP to host interrupt */
> +	writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
> +
> +	/* Reset clocks before loading FW */
> +	writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
> +	writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
> +

.............

> +	/* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/
> +	for (i = 31; i >= 0; i--)
> +		writel(GENMASK(i, 0), scp->reg_base + MT8183_SCP_SRAM_PDN);
> +	writel(0, scp->reg_base + MT8183_SCP_SRAM_PDN);
> +

.............

This snippet corresponds exactly to the mt8192_power_on_sram() helper:
please avoid code duplication by simply calling that function instead.

Thanks,
- Angelo

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: "allen-kh.cheng" <allen-kh.cheng@mediatek.com>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Tinghan Shen <tinghan.shen@mediatek.com>
Cc: Mark Brown <broonie@kernel.org>,
	linux-remoteproc@vger.kernel.org,
	Project_Global_Chrome_Upstream_Group@mediatek.com,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp
Date: Tue, 4 Jan 2022 09:43:24 +0100	[thread overview]
Message-ID: <39f95db9-9d52-e64c-7444-ccd8d88cc522@collabora.com> (raw)
In-Reply-To: <20220103075854.10438-2-allen-kh.cheng@mediatek.com>

Il 03/01/22 08:58, allen-kh.cheng ha scritto:
> Add SCP support for mt8186
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>

Hello! Thanks for the patch!
However, there's something to improve...

> ---
>   drivers/remoteproc/mtk_scp.c | 39 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 39 insertions(+)
> 
> diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
> index 36e48cf58ed6..38eab6b86fd7 100644
> --- a/drivers/remoteproc/mtk_scp.c
> +++ b/drivers/remoteproc/mtk_scp.c
> @@ -365,6 +365,31 @@ static int mt8183_scp_before_load(struct mtk_scp *scp)
>   	return 0;
>   }
>   
> +static int mt8186_scp_before_load(struct mtk_scp *scp)
> +{
> +	int i;
> +
> +	/* Clear SCP to host interrupt */
> +	writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST);
> +
> +	/* Reset clocks before loading FW */
> +	writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL);
> +	writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL);
> +

.............

> +	/* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/
> +	for (i = 31; i >= 0; i--)
> +		writel(GENMASK(i, 0), scp->reg_base + MT8183_SCP_SRAM_PDN);
> +	writel(0, scp->reg_base + MT8183_SCP_SRAM_PDN);
> +

.............

This snippet corresponds exactly to the mt8192_power_on_sram() helper:
please avoid code duplication by simply calling that function instead.

Thanks,
- Angelo

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

  reply	other threads:[~2022-01-04  8:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-03  7:58 [PATCH 1/2] dt-bindings: remoteproc: mediatek: Add binding for mt8186 scp allen-kh.cheng
2022-01-03  7:58 ` allen-kh.cheng
2022-01-03  7:58 ` [PATCH 2/2] remoteproc: mediatek: Support " allen-kh.cheng
2022-01-03  7:58   ` allen-kh.cheng
2022-01-04  8:43   ` AngeloGioacchino Del Regno [this message]
2022-01-04  8:43     ` AngeloGioacchino Del Regno
2022-01-04  8:43     ` AngeloGioacchino Del Regno
2022-01-04  8:43 ` [PATCH 1/2] dt-bindings: remoteproc: mediatek: Add binding for " AngeloGioacchino Del Regno
2022-01-04  8:43   ` AngeloGioacchino Del Regno
2022-01-04  8:43   ` AngeloGioacchino Del Regno
2022-01-04 11:47 [PATCH 0/2] Add SCP support for mt8186 allen-kh.cheng
2022-01-04 11:47 ` [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp allen-kh.cheng
2022-01-04 11:47   ` allen-kh.cheng
2022-01-05  9:19   ` AngeloGioacchino Del Regno
2022-01-05  9:19     ` AngeloGioacchino Del Regno
2022-01-05  9:19     ` AngeloGioacchino Del Regno

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