Re: [PATCH v1] PCI: controller: convert to devm_platform_ioremap_resource()
From: Lorenzo Pieralisi
Date: Tue Jul 07 2020 - 09:37:18 EST
On Wed, May 27, 2020 at 12:01:10AM +0800, Dejin Zheng wrote:
> use devm_platform_ioremap_resource() to simplify code, it
> contains platform_get_resource() and devm_ioremap_resource().
>
> Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx>
> ---
> drivers/pci/controller/dwc/pci-exynos.c | 4 +---
> drivers/pci/controller/pci-aardvark.c | 5 ++---
> drivers/pci/controller/pci-ftpci100.c | 4 +---
> drivers/pci/controller/pci-versatile.c | 6 ++----
> drivers/pci/controller/pcie-brcmstb.c | 4 +---
> 5 files changed, 7 insertions(+), 16 deletions(-)
Can you rebase it please against:
git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git pci/misc
I will apply it then (please carry over the review tags).
Lorenzo
> diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c
> index c5043d951e80..5791039d6a54 100644
> --- a/drivers/pci/controller/dwc/pci-exynos.c
> +++ b/drivers/pci/controller/dwc/pci-exynos.c
> @@ -84,14 +84,12 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev,
> {
> struct dw_pcie *pci = ep->pci;
> struct device *dev = pci->dev;
> - struct resource *res;
>
> ep->mem_res = devm_kzalloc(dev, sizeof(*ep->mem_res), GFP_KERNEL);
> if (!ep->mem_res)
> return -ENOMEM;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - ep->mem_res->elbi_base = devm_ioremap_resource(dev, res);
> + ep->mem_res->elbi_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(ep->mem_res->elbi_base))
> return PTR_ERR(ep->mem_res->elbi_base);
>
> diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
> index 90ff291c24f0..0d98f9b04daa 100644
> --- a/drivers/pci/controller/pci-aardvark.c
> +++ b/drivers/pci/controller/pci-aardvark.c
> @@ -1105,7 +1105,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> struct advk_pcie *pcie;
> - struct resource *res, *bus;
> + struct resource *bus;
> struct pci_host_bridge *bridge;
> int ret, irq;
>
> @@ -1116,8 +1116,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
> pcie = pci_host_bridge_priv(bridge);
> pcie->pdev = pdev;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - pcie->base = devm_ioremap_resource(dev, res);
> + pcie->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(pcie->base))
> return PTR_ERR(pcie->base);
>
> diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c
> index 1b67564de7af..221dfc9dc81b 100644
> --- a/drivers/pci/controller/pci-ftpci100.c
> +++ b/drivers/pci/controller/pci-ftpci100.c
> @@ -422,7 +422,6 @@ static int faraday_pci_probe(struct platform_device *pdev)
> struct device *dev = &pdev->dev;
> const struct faraday_pci_variant *variant =
> of_device_get_match_data(dev);
> - struct resource *regs;
> struct resource_entry *win;
> struct faraday_pci *p;
> struct resource *io;
> @@ -465,8 +464,7 @@ static int faraday_pci_probe(struct platform_device *pdev)
> return ret;
> }
>
> - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - p->base = devm_ioremap_resource(dev, regs);
> + p->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(p->base))
> return PTR_ERR(p->base);
>
> diff --git a/drivers/pci/controller/pci-versatile.c b/drivers/pci/controller/pci-versatile.c
> index b911359b6d81..b34bbfe611e7 100644
> --- a/drivers/pci/controller/pci-versatile.c
> +++ b/drivers/pci/controller/pci-versatile.c
> @@ -77,13 +77,11 @@ static int versatile_pci_probe(struct platform_device *pdev)
> if (!bridge)
> return -ENOMEM;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - versatile_pci_base = devm_ioremap_resource(dev, res);
> + versatile_pci_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(versatile_pci_base))
> return PTR_ERR(versatile_pci_base);
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> - versatile_cfg_base[0] = devm_ioremap_resource(dev, res);
> + versatile_cfg_base[0] = devm_platform_ioremap_resource(pdev, 1);
> if (IS_ERR(versatile_cfg_base[0]))
> return PTR_ERR(versatile_cfg_base[0]);
>
> diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
> index 7730ea845ff2..04bbf9b40193 100644
> --- a/drivers/pci/controller/pcie-brcmstb.c
> +++ b/drivers/pci/controller/pcie-brcmstb.c
> @@ -934,7 +934,6 @@ static int brcm_pcie_probe(struct platform_device *pdev)
> struct device_node *fw_np;
> struct brcm_pcie *pcie;
> struct pci_bus *child;
> - struct resource *res;
> int ret;
>
> /*
> @@ -959,8 +958,7 @@ static int brcm_pcie_probe(struct platform_device *pdev)
> pcie->dev = &pdev->dev;
> pcie->np = np;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - pcie->base = devm_ioremap_resource(&pdev->dev, res);
> + pcie->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(pcie->base))
> return PTR_ERR(pcie->base);
>
> --
> 2.25.0
>