linux-kernel - Re: [PATCH 4/9] memory: tegra: convert to devm_platform_ioremap

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Message-ID: <04758814-8e22-79b9-8ed1-ac0c31762d21@gmail.com>
Date:   Mon, 23 Dec 2019 18:42:36 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Yangtao Li <tiny.windzz@...il.com>, ssantosh@...nel.org,
        paul@...pouillou.net, matthias.bgg@...il.com, rogerq@...com,
        tony@...mide.com, lukasz.luba@....com, kgene@...nel.org,
        krzk@...nel.org, thierry.reding@...il.com, jonathanh@...dia.com,
        allison@...utok.net, tglx@...utronix.de, yong.wu@...iatek.com,
        jroedel@...e.de, evgreen@...omium.org, rfontana@...hat.com,
        pdeschrijver@...dia.com, john@...ozen.org,
        alexios.zavras@...el.com, sboyd@...nel.org,
        kstewart@...uxfoundation.org, info@...ux.net,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH 4/9] memory: tegra: convert to
 devm_platform_ioremap_resource

22.12.2019 21:50, Yangtao Li пишет:
> Use devm_platform_ioremap_resource() to simplify code.
> 
> Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
> ---
>  drivers/memory/tegra/mc.c           | 4 +---
>  drivers/memory/tegra/tegra124-emc.c | 4 +---
>  drivers/memory/tegra/tegra186.c     | 4 +---
>  drivers/memory/tegra/tegra20-emc.c  | 4 +---
>  4 files changed, 4 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
> index ec8403557ed4..71390d4ad809 100644
> --- a/drivers/memory/tegra/mc.c
> +++ b/drivers/memory/tegra/mc.c
> @@ -593,7 +593,6 @@ static __maybe_unused irqreturn_t tegra20_mc_irq(int irq, void *data)
>  
>  static int tegra_mc_probe(struct platform_device *pdev)
>  {
> -	struct resource *res;
>  	struct tegra_mc *mc;
>  	void *isr;
>  	u64 mask;
> @@ -619,8 +618,7 @@ static int tegra_mc_probe(struct platform_device *pdev)
>  	/* length of MC tick in nanoseconds */
>  	mc->tick = 30;
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	mc->regs = devm_ioremap_resource(&pdev->dev, res);
> +	mc->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(mc->regs))
>  		return PTR_ERR(mc->regs);
>  
> diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
> index 464f0ceaee63..2c73260654ba 100644
> --- a/drivers/memory/tegra/tegra124-emc.c
> +++ b/drivers/memory/tegra/tegra124-emc.c
> @@ -1085,7 +1085,6 @@ static int tegra_emc_probe(struct platform_device *pdev)
>  	struct platform_device *mc;
>  	struct device_node *np;
>  	struct tegra_emc *emc;
> -	struct resource *res;
>  	u32 ram_code;
>  	int err;
>  
> @@ -1095,8 +1094,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
>  
>  	emc->dev = &pdev->dev;
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	emc->regs = devm_ioremap_resource(&pdev->dev, res);
> +	emc->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(emc->regs))
>  		return PTR_ERR(emc->regs);
>  
> diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
> index 441213a35930..226d2b16036d 100644
> --- a/drivers/memory/tegra/tegra186.c
> +++ b/drivers/memory/tegra/tegra186.c
> @@ -534,7 +534,6 @@ static const struct tegra_mc_client tegra186_mc_clients[] = {
>  
>  static int tegra186_mc_probe(struct platform_device *pdev)
>  {
> -	struct resource *res;
>  	struct tegra_mc *mc;
>  	unsigned int i;
>  	int err = 0;
> @@ -543,8 +542,7 @@ static int tegra186_mc_probe(struct platform_device *pdev)
>  	if (!mc)
>  		return -ENOMEM;
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	mc->regs = devm_ioremap_resource(&pdev->dev, res);
> +	mc->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(mc->regs))
>  		return PTR_ERR(mc->regs);
>  
> diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
> index 1b23b1c34476..d2efd0c658c0 100644
> --- a/drivers/memory/tegra/tegra20-emc.c
> +++ b/drivers/memory/tegra/tegra20-emc.c
> @@ -482,7 +482,6 @@ static int tegra_emc_probe(struct platform_device *pdev)
>  {
>  	struct device_node *np;
>  	struct tegra_emc *emc;
> -	struct resource *res;
>  	int irq, err;
>  
>  	/* driver has nothing to do in a case of memory timing absence */
> @@ -518,8 +517,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
>  	if (err)
>  		return err;
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	emc->regs = devm_ioremap_resource(&pdev->dev, res);
> +	emc->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(emc->regs))
>  		return PTR_ERR(emc->regs);
>  
> 

Looks good, thanks!

Reviewed-by: Dmitry Osipenko <digetx@...il.com>