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PCI: xgene: 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 <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2016-10-06 13:43:42 -05:00
parent bdf530984d
commit d963ab22ad
1 changed files with 24 additions and 19 deletions
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43
drivers/pci/host/pci-xgene.c
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@ -223,17 +223,18 @@ static void xgene_pcie_linkup(struct xgene_pcie_port *port,
static int xgene_pcie_init_port(struct xgene_pcie_port *port)
{
struct device *dev = port->dev;
int rc;
port->clk = clk_get(port->dev, NULL);
port->clk = clk_get(dev, NULL);
if (IS_ERR(port->clk)) {
dev_err(port->dev, "clock not available\n");
dev_err(dev, "clock not available\n");
return -ENODEV;
}
rc = clk_prepare_enable(port->clk);
if (rc) {
dev_err(port->dev, "clock enable failed\n");
dev_err(dev, "clock enable failed\n");
return rc;
}
@ -243,15 +244,16 @@ static int xgene_pcie_init_port(struct xgene_pcie_port *port)
static int xgene_pcie_map_reg(struct xgene_pcie_port *port,
struct platform_device *pdev)
{
struct device *dev = port->dev;
struct resource *res;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csr");
port->csr_base = devm_ioremap_resource(port->dev, res);
port->csr_base = devm_ioremap_resource(dev, res);
if (IS_ERR(port->csr_base))
return PTR_ERR(port->csr_base);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
port->cfg_base = devm_ioremap_resource(port->dev, res);
port->cfg_base = devm_ioremap_resource(dev, res);
if (IS_ERR(port->cfg_base))
return PTR_ERR(port->cfg_base);
port->cfg_addr = res->start;
@ -264,6 +266,7 @@ static void xgene_pcie_setup_ob_reg(struct xgene_pcie_port *port,
u64 cpu_addr, u64 pci_addr)
{
void __iomem *base = port->csr_base + offset;
struct device *dev = port->dev;
resource_size_t size = resource_size(res);
u64 restype = resource_type(res);
u64 mask = 0;
@ -280,7 +283,7 @@ static void xgene_pcie_setup_ob_reg(struct xgene_pcie_port *port,
if (size >= min_size)
mask = ~(size - 1) | flag;
else
dev_warn(port->dev, "res size 0x%llx less than minimum 0x%x\n",
dev_warn(dev, "res size 0x%llx less than minimum 0x%x\n",
(u64)size, min_size);
writel(lower_32_bits(cpu_addr), base);
@ -310,7 +313,7 @@ static int xgene_pcie_map_ranges(struct xgene_pcie_port *port,
struct resource *res = window->res;
u64 restype = resource_type(res);
dev_dbg(port->dev, "%pR\n", res);
dev_dbg(dev, "%pR\n", res);
switch (restype) {
case IORESOURCE_IO:
@ -381,6 +384,7 @@ static void xgene_pcie_setup_ib_reg(struct xgene_pcie_port *port,
{
void __iomem *csr_base = port->csr_base;
void __iomem *cfg_base = port->cfg_base;
struct device *dev = port->dev;
void *bar_addr;
void *pim_addr;
u64 cpu_addr = range->cpu_addr;
@ -393,7 +397,7 @@ static void xgene_pcie_setup_ib_reg(struct xgene_pcie_port *port,
region = xgene_pcie_select_ib_reg(ib_reg_mask, range->size);
if (region < 0) {
dev_warn(port->dev, "invalid pcie dma-range config\n");
dev_warn(dev, "invalid pcie dma-range config\n");
return;
}
@ -463,7 +467,7 @@ static int xgene_pcie_parse_map_dma_ranges(struct xgene_pcie_port *port)
for_each_of_pci_range(&parser, &range) {
u64 end = range.cpu_addr + range.size - 1;
dev_dbg(port->dev, "0x%08x 0x%016llx..0x%016llx -> 0x%016llx\n",
dev_dbg(dev, "0x%08x 0x%016llx..0x%016llx -> 0x%016llx\n",
range.flags, range.cpu_addr, end, range.pci_addr);
xgene_pcie_setup_ib_reg(port, &range, &ib_reg_mask);
}
@ -483,6 +487,7 @@ static int xgene_pcie_setup(struct xgene_pcie_port *port,
struct list_head *res,
resource_size_t io_base)
{
struct device *dev = port->dev;
u32 val, lanes = 0, speed = 0;
int ret;
@ -502,27 +507,28 @@ static int xgene_pcie_setup(struct xgene_pcie_port *port,
xgene_pcie_linkup(port, &lanes, &speed);
if (!port->link_up)
dev_info(port->dev, "(rc) link down\n");
dev_info(dev, "(rc) link down\n");
else
dev_info(port->dev, "(rc) x%d gen-%d link up\n",
lanes, speed + 1);
dev_info(dev, "(rc) x%d gen-%d link up\n", lanes, speed + 1);
return 0;
}
static int xgene_pcie_probe_bridge(struct platform_device *pdev)
{
struct device_node *dn = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct device_node *dn = dev->of_node;
struct xgene_pcie_port *port;
resource_size_t iobase = 0;
struct pci_bus *bus;
int ret;
LIST_HEAD(res);
port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL);
port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL);
if (!port)
return -ENOMEM;
port->node = of_node_get(pdev->dev.of_node);
port->dev = &pdev->dev;
port->node = of_node_get(dn);
port->dev = dev;
port->version = XGENE_PCIE_IP_VER_UNKN;
if (of_device_is_compatible(port->node, "apm,xgene-pcie"))
@ -540,7 +546,7 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
if (ret)
return ret;
ret = devm_request_pci_bus_resources(&pdev->dev, &res);
ret = devm_request_pci_bus_resources(dev, &res);
if (ret)
goto error;
@ -548,8 +554,7 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
if (ret)
goto error;
bus = pci_create_root_bus(&pdev->dev, 0,
&xgene_pcie_ops, port, &res);
bus = pci_create_root_bus(dev, 0, &xgene_pcie_ops, port, &res);
if (!bus) {
ret = -ENOMEM;
goto error;