diff options
| -rw-r--r-- | drivers/pci/host/pci-rcar-gen2.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index 597566f96f5e..1eeefa4df64c 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -154,10 +154,11 @@ static int rcar_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static irqreturn_t rcar_pci_err_irq(int irq, void *pw) { struct rcar_pci_priv *priv = pw; + struct device *dev = priv->dev; u32 status = ioread32(priv->reg + RCAR_PCI_INT_STATUS_REG); if (status & RCAR_PCI_INT_ALLERRORS) { - dev_err(priv->dev, "error irq: status %08x\n", status); + dev_err(dev, "error irq: status %08x\n", status); /* clear the error(s) */ iowrite32(status & RCAR_PCI_INT_ALLERRORS, @@ -170,13 +171,14 @@ static irqreturn_t rcar_pci_err_irq(int irq, void *pw) static void rcar_pci_setup_errirq(struct rcar_pci_priv *priv) { + struct device *dev = priv->dev; int ret; u32 val; - ret = devm_request_irq(priv->dev, priv->irq, rcar_pci_err_irq, + ret = devm_request_irq(dev, priv->irq, rcar_pci_err_irq, IRQF_SHARED, "error irq", priv); if (ret) { - dev_err(priv->dev, "cannot claim IRQ for error handling\n"); + dev_err(dev, "cannot claim IRQ for error handling\n"); return; } @@ -192,15 +194,16 @@ static inline void rcar_pci_setup_errirq(struct rcar_pci_priv *priv) { } static int rcar_pci_setup(int nr, struct pci_sys_data *sys) { struct rcar_pci_priv *priv = sys->private_data; + struct device *dev = priv->dev; void __iomem *reg = priv->reg; u32 val; int ret; - pm_runtime_enable(priv->dev); - pm_runtime_get_sync(priv->dev); + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); val = ioread32(reg + RCAR_PCI_UNIT_REV_REG); - dev_info(priv->dev, "PCI: bus%u revision %x\n", sys->busnr, val); + dev_info(dev, "PCI: bus%u revision %x\n", sys->busnr, val); /* Disable Direct Power Down State and assert reset */ val = ioread32(reg + RCAR_USBCTR_REG) & ~RCAR_USBCTR_DIRPD; @@ -275,7 +278,7 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys) /* Add PCI resources */ pci_add_resource(&sys->resources, &priv->mem_res); - ret = devm_request_pci_bus_resources(priv->dev, &sys->resources); + ret = devm_request_pci_bus_resources(dev, &sys->resources); if (ret < 0) return ret; @@ -311,6 +314,7 @@ static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, struct device_node *np) { + struct device *dev = pci->dev; struct of_pci_range range; struct of_pci_range_parser parser; int index = 0; @@ -331,14 +335,14 @@ static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, /* Catch HW limitations */ if (!(range.flags & IORESOURCE_PREFETCH)) { - dev_err(pci->dev, "window must be prefetchable\n"); + dev_err(dev, "window must be prefetchable\n"); return -EINVAL; } if (pci->window_addr) { u32 lowaddr = 1 << (ffs(pci->window_addr) - 1); if (lowaddr < pci->window_size) { - dev_err(pci->dev, "invalid window size/addr\n"); + dev_err(dev, "invalid window size/addr\n"); return -EINVAL; } } @@ -350,6 +354,7 @@ static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, static int rcar_pci_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct resource *cfg_res, *mem_res; struct rcar_pci_priv *priv; void __iomem *reg; @@ -357,7 +362,7 @@ static int rcar_pci_probe(struct platform_device *pdev) void *hw_private[1]; cfg_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - reg = devm_ioremap_resource(&pdev->dev, cfg_res); + reg = devm_ioremap_resource(dev, cfg_res); if (IS_ERR(reg)) return PTR_ERR(reg); @@ -368,8 +373,7 @@ static int rcar_pci_probe(struct platform_device *pdev) if (mem_res->start & 0xFFFF) return -EINVAL; - priv = devm_kzalloc(&pdev->dev, - sizeof(struct rcar_pci_priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(struct rcar_pci_priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -378,10 +382,10 @@ static int rcar_pci_probe(struct platform_device *pdev) priv->irq = platform_get_irq(pdev, 0); priv->reg = reg; - priv->dev = &pdev->dev; + priv->dev = dev; if (priv->irq < 0) { - dev_err(&pdev->dev, "no valid irq found\n"); + dev_err(dev, "no valid irq found\n"); return priv->irq; } @@ -390,23 +394,23 @@ static int rcar_pci_probe(struct platform_device *pdev) priv->window_pci = 0x40000000; priv->window_size = SZ_1G; - if (pdev->dev.of_node) { + if (dev->of_node) { struct resource busnr; int ret; - ret = of_pci_parse_bus_range(pdev->dev.of_node, &busnr); + ret = of_pci_parse_bus_range(dev->of_node, &busnr); if (ret < 0) { - dev_err(&pdev->dev, "failed to parse bus-range\n"); + dev_err(dev, "failed to parse bus-range\n"); return ret; } priv->busnr = busnr.start; if (busnr.end != busnr.start) - dev_warn(&pdev->dev, "only one bus number supported\n"); + dev_warn(dev, "only one bus number supported\n"); - ret = rcar_pci_parse_map_dma_ranges(priv, pdev->dev.of_node); + ret = rcar_pci_parse_map_dma_ranges(priv, dev->of_node); if (ret < 0) { - dev_err(&pdev->dev, "failed to parse dma-range\n"); + dev_err(dev, "failed to parse dma-range\n"); return ret; } } else { @@ -421,7 +425,7 @@ static int rcar_pci_probe(struct platform_device *pdev) hw.map_irq = rcar_pci_map_irq; hw.ops = &rcar_pci_ops; hw.setup = rcar_pci_setup; - pci_common_init_dev(&pdev->dev, &hw); + pci_common_init_dev(dev, &hw); return 0; } |