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PCI: altera: Add local struct device pointers

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Use a local "struct device *dev" for brevity and consistency with other
drivers.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2016-10-11 19:50:52 -05:00
parent bdf530984d
commit fe4906778c
1 changed files with 18 additions and 16 deletions
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34
drivers/pci/host/pcie-altera.c
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@ -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;