linux-kernel - Re: [PATCH v4 11/14] soc: mediatek: mtk-svs: delete superfluous platform data entries

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Message-ID: <bcb229bf-4243-05aa-93db-98af1c779880@gmail.com>
Date:   Tue, 31 Jan 2023 14:30:44 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Roger Lu <roger.lu@...iatek.com>,
        Enric Balletbo Serra <eballetbo@...il.com>,
        Kevin Hilman <khilman@...nel.org>,
        Nicolas Boichat <drinkcat@...gle.com>
Cc:     Fan Chen <fan.chen@...iatek.com>,
        Jia-wei Chang <jia-wei.chang@...iatek.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v4 11/14] soc: mediatek: mtk-svs: delete superfluous
 platform data entries



On 11/01/2023 08:45, Roger Lu wrote:
> From: Matthias Brugger <matthias.bgg@...il.com>
> 
> The platform name and efuse parsing function pointer are only used while
> probing the device. Use them from the svs_platform_data struct instead.
> 
> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Signed-off-by: Roger Lu <roger.lu@...iatek.com>

Applied, thanks!

> ---
>   drivers/soc/mediatek/mtk-svs.c | 22 ++++++++++++----------
>   1 file changed, 12 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
> index 9d9210c22289..bd23d1111d7b 100644
> --- a/drivers/soc/mediatek/mtk-svs.c
> +++ b/drivers/soc/mediatek/mtk-svs.c
> @@ -313,14 +313,12 @@ static const u32 svs_regs_v2[] = {
>   
>   /**
>    * struct svs_platform - svs platform control
> - * @name: svs platform name
>    * @base: svs platform register base
>    * @dev: svs platform device
>    * @main_clk: main clock for svs bank
>    * @pbank: svs bank pointer needing to be protected by spin_lock section
>    * @banks: svs banks that svs platform supports
>    * @rst: svs platform reset control
> - * @efuse_parsing: svs platform efuse parsing function pointer
>    * @efuse_max: total number of svs efuse
>    * @tefuse_max: total number of thermal efuse
>    * @regs: svs platform registers map
> @@ -330,14 +328,12 @@ static const u32 svs_regs_v2[] = {
>    * @clk_cnt: clock count shows the clk enable/disable times by svs driver
>    */
>   struct svs_platform {
> -	char *name;
>   	void __iomem *base;
>   	struct device *dev;
>   	struct clk *main_clk;
>   	struct svs_bank *pbank;
>   	struct svs_bank *banks;
>   	struct reset_control *rst;
> -	bool (*efuse_parsing)(struct svs_platform *svsp);
>   	size_t efuse_max;
>   	size_t tefuse_max;
>   	const u32 *regs;
> @@ -2066,7 +2062,7 @@ static bool svs_is_efuse_data_correct(struct svs_platform *svsp)
>   	svsp->efuse_max /= sizeof(u32);
>   	nvmem_cell_put(cell);
>   
> -	return svsp->efuse_parsing(svsp);
> +	return true;
>   }
>   
>   static struct device *svs_get_subsys_device(struct svs_platform *svsp,
> @@ -2400,9 +2396,7 @@ static int svs_probe(struct platform_device *pdev)
>   		return -ENOMEM;
>   
>   	svsp->dev = &pdev->dev;
> -	svsp->name = svsp_data->name;
>   	svsp->banks = svsp_data->banks;
> -	svsp->efuse_parsing = svsp_data->efuse_parsing;
>   	svsp->regs = svsp_data->regs;
>   	svsp->bank_max = svsp_data->bank_max;
>   
> @@ -2413,6 +2407,12 @@ static int svs_probe(struct platform_device *pdev)
>   	if (!svs_is_efuse_data_correct(svsp)) {
>   		dev_notice(svsp->dev, "efuse data isn't correct\n");
>   		ret = -EPERM;
> +		goto svs_probe_free_efuse;
> +	}
> +
> +	if (!svsp_data->efuse_parsing(svsp)) {
> +		dev_err(svsp->dev, "efuse data parsing failed\n");
> +		ret = -EPERM;
>   		goto svs_probe_free_resource;
>   	}
>   
> @@ -2448,7 +2448,7 @@ static int svs_probe(struct platform_device *pdev)
>   	}
>   
>   	ret = devm_request_threaded_irq(svsp->dev, svsp_irq, NULL, svs_isr,
> -					IRQF_ONESHOT, svsp->name, svsp);
> +					IRQF_ONESHOT, svsp_data->name, svsp);
>   	if (ret) {
>   		dev_err(svsp->dev, "register irq(%d) failed: %d\n",
>   			svsp_irq, ret);
> @@ -2478,11 +2478,13 @@ static int svs_probe(struct platform_device *pdev)
>   	svs_clk_disable(svsp);
>   
>   svs_probe_free_resource:
> -	if (!IS_ERR_OR_NULL(svsp->efuse))
> -		kfree(svsp->efuse);
>   	if (!IS_ERR_OR_NULL(svsp->tefuse))
>   		kfree(svsp->tefuse);
>   
> +svs_probe_free_efuse:
> +	if (!IS_ERR_OR_NULL(svsp->efuse))
> +		kfree(svsp->efuse);
> +
>   	return ret;
>   }
>