Re: [PATCH] drm/exynos: Make use of the helper function devm_platform_ioremap_resource()

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21. 8. 31. 오후 4:49에 Cai Huoqing 이(가) 쓴 글:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
> 

Picked it up.

Thanks,
Inki Dae

> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
> ---
>  drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 4 +---
>  drivers/gpu/drm/exynos/exynos_drm_dsi.c       | 4 +---
>  drivers/gpu/drm/exynos/exynos_drm_fimc.c      | 5 +----
>  drivers/gpu/drm/exynos/exynos_drm_fimd.c      | 4 +---
>  drivers/gpu/drm/exynos/exynos_drm_g2d.c       | 5 +----
>  drivers/gpu/drm/exynos/exynos_drm_gsc.c       | 6 +-----
>  drivers/gpu/drm/exynos/exynos_drm_rotator.c   | 4 +---
>  drivers/gpu/drm/exynos/exynos_drm_scaler.c    | 4 +---
>  drivers/gpu/drm/exynos/exynos_hdmi.c          | 4 +---
>  9 files changed, 9 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> index 9870c4e6af36..b5001db7a95c 100644
> --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> @@ -793,7 +793,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
>  	struct decon_context *ctx;
> -	struct resource *res;
>  	int ret;
>  	int i;
>  
> @@ -818,8 +817,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
>  		ctx->clks[i] = clk;
>  	}
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	ctx->addr = devm_ioremap_resource(dev, res);
> +	ctx->addr = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(ctx->addr))
>  		return PTR_ERR(ctx->addr);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> index e39fac889edc..8d137857818c 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> @@ -1738,7 +1738,6 @@ static const struct component_ops exynos_dsi_component_ops = {
>  static int exynos_dsi_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> -	struct resource *res;
>  	struct exynos_dsi *dsi;
>  	int ret, i;
>  
> @@ -1789,8 +1788,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
>  		}
>  	}
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	dsi->reg_base = devm_ioremap_resource(dev, res);
> +	dsi->reg_base = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(dsi->reg_base))
>  		return PTR_ERR(dsi->reg_base);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> index a3c718148c45..ecfd82d0afb7 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> @@ -85,7 +85,6 @@ struct fimc_scaler {
>  /*
>   * A structure of fimc context.
>   *
> - * @regs_res: register resources.
>   * @regs: memory mapped io registers.
>   * @lock: locking of operations.
>   * @clocks: fimc clocks.
> @@ -103,7 +102,6 @@ struct fimc_context {
>  	struct exynos_drm_ipp_formats	*formats;
>  	unsigned int			num_formats;
>  
> -	struct resource	*regs_res;
>  	void __iomem	*regs;
>  	spinlock_t	lock;
>  	struct clk	*clocks[FIMC_CLKS_MAX];
> @@ -1327,8 +1325,7 @@ static int fimc_probe(struct platform_device *pdev)
>  	ctx->num_formats = num_formats;
>  
>  	/* resource memory */
> -	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
> +	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(ctx->regs))
>  		return PTR_ERR(ctx->regs);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> index 700ca4fa6665..c735e53939d8 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> @@ -1202,9 +1202,7 @@ static int fimd_probe(struct platform_device *pdev)
>  		return PTR_ERR(ctx->lcd_clk);
>  	}
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> -	ctx->regs = devm_ioremap_resource(dev, res);
> +	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(ctx->regs))
>  		return PTR_ERR(ctx->regs);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
> index b00230626c6a..471fd6c8135f 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
> @@ -1449,7 +1449,6 @@ static const struct component_ops g2d_component_ops = {
>  static int g2d_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> -	struct resource *res;
>  	struct g2d_data *g2d;
>  	int ret;
>  
> @@ -1491,9 +1490,7 @@ static int g2d_probe(struct platform_device *pdev)
>  	clear_bit(G2D_BIT_SUSPEND_RUNQUEUE, &g2d->flags);
>  	clear_bit(G2D_BIT_ENGINE_BUSY, &g2d->flags);
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> -	g2d->regs = devm_ioremap_resource(dev, res);
> +	g2d->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(g2d->regs)) {
>  		ret = PTR_ERR(g2d->regs);
>  		goto err_put_clk;
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
> index 90d7bf906885..166a80262896 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
> @@ -86,7 +86,6 @@ struct gsc_scaler {
>  /*
>   * A structure of gsc context.
>   *
> - * @regs_res: register resources.
>   * @regs: memory mapped io registers.
>   * @gsc_clk: gsc gate clock.
>   * @sc: scaler infomations.
> @@ -103,7 +102,6 @@ struct gsc_context {
>  	struct exynos_drm_ipp_formats	*formats;
>  	unsigned int			num_formats;
>  
> -	struct resource	*regs_res;
>  	void __iomem	*regs;
>  	const char	**clk_names;
>  	struct clk	*clocks[GSC_MAX_CLOCKS];
> @@ -1272,9 +1270,7 @@ static int gsc_probe(struct platform_device *pdev)
>  		}
>  	}
>  
> -	/* resource memory */
> -	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
> +	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(ctx->regs))
>  		return PTR_ERR(ctx->regs);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
> index ee61be4cf152..dec7df35baa9 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
> @@ -278,7 +278,6 @@ static const struct component_ops rotator_component_ops = {
>  static int rotator_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> -	struct resource	*regs_res;
>  	struct rot_context *rot;
>  	const struct rot_variant *variant;
>  	int irq;
> @@ -292,8 +291,7 @@ static int rotator_probe(struct platform_device *pdev)
>  	rot->formats = variant->formats;
>  	rot->num_formats = variant->num_formats;
>  	rot->dev = dev;
> -	regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	rot->regs = devm_ioremap_resource(dev, regs_res);
> +	rot->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(rot->regs))
>  		return PTR_ERR(rot->regs);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
> index f9ae5b038d59..3a7851b7dc66 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
> @@ -485,7 +485,6 @@ static const struct component_ops scaler_component_ops = {
>  static int scaler_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> -	struct resource	*regs_res;
>  	struct scaler_context *scaler;
>  	int irq;
>  	int ret, i;
> @@ -498,8 +497,7 @@ static int scaler_probe(struct platform_device *pdev)
>  		(struct scaler_data *)of_device_get_match_data(dev);
>  
>  	scaler->dev = dev;
> -	regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	scaler->regs = devm_ioremap_resource(dev, regs_res);
> +	scaler->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(scaler->regs))
>  		return PTR_ERR(scaler->regs);
>  
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
> index c769dec576de..7655142a4651 100644
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
> @@ -1957,7 +1957,6 @@ static int hdmi_probe(struct platform_device *pdev)
>  	struct hdmi_audio_infoframe *audio_infoframe;
>  	struct device *dev = &pdev->dev;
>  	struct hdmi_context *hdata;
> -	struct resource *res;
>  	int ret;
>  
>  	hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
> @@ -1979,8 +1978,7 @@ static int hdmi_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	hdata->regs = devm_ioremap_resource(dev, res);
> +	hdata->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(hdata->regs)) {
>  		ret = PTR_ERR(hdata->regs);
>  		return ret;
> 



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