Re: [PATCH v1] PCI: controller: convert to devm_platform_ioremap_resource()

From: Dejin Zheng
Date: Wed Jul 08 2020 - 12:04:04 EST


On Tue, Jul 07, 2020 at 02:37:07PM +0100, Lorenzo Pieralisi wrote:
> 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).
>
Hi Lorenzo:

I have sent the patch v2 for rebase it, Thank you very much!
The link is here: https://patchwork.ozlabs.org/project/linux-pci/patch/20200708155614.308-1-zhengdejin5@xxxxxxxxx/

BR,
Dejin
> 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
> >