From fe4906778ce295e10f9c3f42071aad4895f12fbe Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 11 Oct 2016 19:50:52 -0500 Subject: [PATCH] PCI: altera: Add local struct device pointers Use a local "struct device *dev" for brevity and consistency with other drivers. No functional change intended. Signed-off-by: Bjorn Helgaas --- drivers/pci/host/pcie-altera.c | 34 ++++++++++++++++++---------------- 1 file changed, 18 insertions(+), 16 deletions(-) diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index c24e965..eac548b 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -394,6 +394,7 @@ static int altera_write_cap_word(struct altera_pcie *pcie, u8 busno, static void altera_wait_link_retrain(struct altera_pcie *pcie) { + struct device *dev = &pcie->pdev->dev; u16 reg16; unsigned long start_jiffies; @@ -406,7 +407,7 @@ static void altera_wait_link_retrain(struct altera_pcie *pcie) break; if (time_after(jiffies, start_jiffies + LINK_RETRAIN_TIMEOUT)) { - dev_err(&pcie->pdev->dev, "link retrain timeout\n"); + dev_err(dev, "link retrain timeout\n"); break; } udelay(100); @@ -419,7 +420,7 @@ static void altera_wait_link_retrain(struct altera_pcie *pcie) break; if (time_after(jiffies, start_jiffies + LINK_UP_TIMEOUT)) { - dev_err(&pcie->pdev->dev, "link up timeout\n"); + dev_err(dev, "link up timeout\n"); break; } udelay(100); @@ -460,7 +461,6 @@ static int altera_pcie_intx_map(struct irq_domain *domain, unsigned int irq, { irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq); irq_set_chip_data(irq, domain->host_data); - return 0; } @@ -472,12 +472,14 @@ static void altera_pcie_isr(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct altera_pcie *pcie; + struct device *dev; unsigned long status; u32 bit; u32 virq; chained_irq_enter(chip, desc); pcie = irq_desc_get_handler_data(desc); + dev = &pcie->pdev->dev; while ((status = cra_readl(pcie, P2A_INT_STATUS) & P2A_INT_STS_ALL) != 0) { @@ -489,8 +491,7 @@ static void altera_pcie_isr(struct irq_desc *desc) if (virq) generic_handle_irq(virq); else - dev_err(&pcie->pdev->dev, - "unexpected IRQ, INT%d\n", bit); + dev_err(dev, "unexpected IRQ, INT%d\n", bit); } } @@ -549,30 +550,30 @@ static int altera_pcie_init_irq_domain(struct altera_pcie *pcie) static int altera_pcie_parse_dt(struct altera_pcie *pcie) { - struct resource *cra; + struct device *dev = &pcie->pdev->dev; struct platform_device *pdev = pcie->pdev; + struct resource *cra; cra = platform_get_resource_byname(pdev, IORESOURCE_MEM, "Cra"); if (!cra) { - dev_err(&pdev->dev, "no Cra memory resource defined\n"); + dev_err(dev, "no Cra memory resource defined\n"); return -ENODEV; } - pcie->cra_base = devm_ioremap_resource(&pdev->dev, cra); + pcie->cra_base = devm_ioremap_resource(dev, cra); if (IS_ERR(pcie->cra_base)) { - dev_err(&pdev->dev, "failed to map cra memory\n"); + dev_err(dev, "failed to map cra memory\n"); return PTR_ERR(pcie->cra_base); } /* setup IRQ */ pcie->irq = platform_get_irq(pdev, 0); if (pcie->irq <= 0) { - dev_err(&pdev->dev, "failed to get IRQ: %d\n", pcie->irq); + dev_err(dev, "failed to get IRQ: %d\n", pcie->irq); return -EINVAL; } irq_set_chained_handler_and_data(pcie->irq, altera_pcie_isr, pcie); - return 0; } @@ -583,12 +584,13 @@ static void altera_pcie_host_init(struct altera_pcie *pcie) static int altera_pcie_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct altera_pcie *pcie; struct pci_bus *bus; struct pci_bus *child; int ret; - pcie = devm_kzalloc(&pdev->dev, sizeof(*pcie), GFP_KERNEL); + pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); if (!pcie) return -ENOMEM; @@ -596,7 +598,7 @@ static int altera_pcie_probe(struct platform_device *pdev) ret = altera_pcie_parse_dt(pcie); if (ret) { - dev_err(&pdev->dev, "Parsing DT failed\n"); + dev_err(dev, "Parsing DT failed\n"); return ret; } @@ -604,13 +606,13 @@ static int altera_pcie_probe(struct platform_device *pdev) ret = altera_pcie_parse_request_of_pci_ranges(pcie); if (ret) { - dev_err(&pdev->dev, "Failed add resources\n"); + dev_err(dev, "Failed add resources\n"); return ret; } ret = altera_pcie_init_irq_domain(pcie); if (ret) { - dev_err(&pdev->dev, "Failed creating IRQ Domain\n"); + dev_err(dev, "Failed creating IRQ Domain\n"); return ret; } @@ -620,7 +622,7 @@ static int altera_pcie_probe(struct platform_device *pdev) cra_writel(pcie, P2A_INT_ENA_ALL, P2A_INT_ENABLE); altera_pcie_host_init(pcie); - bus = pci_scan_root_bus(&pdev->dev, pcie->root_bus_nr, &altera_pcie_ops, + bus = pci_scan_root_bus(dev, pcie->root_bus_nr, &altera_pcie_ops, pcie, &pcie->resources); if (!bus) return -ENOMEM; -- 2.7.4