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authorBjorn Helgaas <bhelgaas@google.com>2016-10-06 13:36:08 -0500
committerBjorn Helgaas <bhelgaas@google.com>2016-10-11 22:28:01 -0500
commit786aeccb4ac65b2071d2f790b4957819c389c9a9 (patch)
treee58ed4dbf7347dfa54e5ed1720efaf7c3efdfd10 /drivers/pci/host/pcie-iproc.c
parentbdf530984d10b6b88b10a6d03057409a3f1c6897 (diff)
PCI: iproc: 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>
Diffstat (limited to 'drivers/pci/host/pcie-iproc.c')
-rw-r--r--drivers/pci/host/pcie-iproc.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index e167b2f0098d..c41d6bdf66dd 100644
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -258,6 +258,7 @@ static void iproc_pcie_reset(struct iproc_pcie *pcie)
static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
{
+ struct device *dev = pcie->dev;
u8 hdr_type;
u32 link_ctrl, class, val;
u16 pos, link_status;
@@ -272,14 +273,14 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
val = iproc_pcie_read_reg(pcie, IPROC_PCIE_LINK_STATUS);
if (!(val & PCIE_PHYLINKUP) || !(val & PCIE_DL_ACTIVE)) {
- dev_err(pcie->dev, "PHY or data link is INACTIVE!\n");
+ dev_err(dev, "PHY or data link is INACTIVE!\n");
return -ENODEV;
}
/* make sure we are not in EP mode */
pci_bus_read_config_byte(bus, 0, PCI_HEADER_TYPE, &hdr_type);
if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE) {
- dev_err(pcie->dev, "in EP mode, hdr=%#02x\n", hdr_type);
+ dev_err(dev, "in EP mode, hdr=%#02x\n", hdr_type);
return -EFAULT;
}
@@ -324,7 +325,7 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
}
}
- dev_info(pcie->dev, "link: %s\n", link_is_active ? "UP" : "DOWN");
+ dev_info(dev, "link: %s\n", link_is_active ? "UP" : "DOWN");
return link_is_active ? 0 : -ENODEV;
}
@@ -349,12 +350,13 @@ static int iproc_pcie_setup_ob(struct iproc_pcie *pcie, u64 axi_addr,
u64 pci_addr, resource_size_t size)
{
struct iproc_pcie_ob *ob = &pcie->ob;
+ struct device *dev = pcie->dev;
unsigned i;
u64 max_size = (u64)ob->window_size * MAX_NUM_OB_WINDOWS;
u64 remainder;
if (size > max_size) {
- dev_err(pcie->dev,
+ dev_err(dev,
"res size %pap exceeds max supported size 0x%llx\n",
&size, max_size);
return -EINVAL;
@@ -362,15 +364,14 @@ static int iproc_pcie_setup_ob(struct iproc_pcie *pcie, u64 axi_addr,
div64_u64_rem(size, ob->window_size, &remainder);
if (remainder) {
- dev_err(pcie->dev,
+ dev_err(dev,
"res size %pap needs to be multiple of window size %pap\n",
&size, &ob->window_size);
return -EINVAL;
}
if (axi_addr < ob->axi_offset) {
- dev_err(pcie->dev,
- "axi address %pap less than offset %pap\n",
+ dev_err(dev, "axi address %pap less than offset %pap\n",
&axi_addr, &ob->axi_offset);
return -EINVAL;
}
@@ -406,6 +407,7 @@ static int iproc_pcie_setup_ob(struct iproc_pcie *pcie, u64 axi_addr,
static int iproc_pcie_map_ranges(struct iproc_pcie *pcie,
struct list_head *resources)
{
+ struct device *dev = pcie->dev;
struct resource_entry *window;
int ret;
@@ -425,7 +427,7 @@ static int iproc_pcie_map_ranges(struct iproc_pcie *pcie,
return ret;
break;
default:
- dev_err(pcie->dev, "invalid resource %pR\n", res);
+ dev_err(dev, "invalid resource %pR\n", res);
return -EINVAL;
}
}
@@ -455,6 +457,7 @@ static void iproc_pcie_msi_disable(struct iproc_pcie *pcie)
int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
{
+ struct device *dev;
int ret;
void *sysdata;
struct pci_bus *bus;
@@ -462,19 +465,20 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
if (!pcie || !pcie->dev || !pcie->base)
return -EINVAL;
- ret = devm_request_pci_bus_resources(pcie->dev, res);
+ dev = pcie->dev;
+ ret = devm_request_pci_bus_resources(dev, res);
if (ret)
return ret;
ret = phy_init(pcie->phy);
if (ret) {
- dev_err(pcie->dev, "unable to initialize PCIe PHY\n");
+ dev_err(dev, "unable to initialize PCIe PHY\n");
return ret;
}
ret = phy_power_on(pcie->phy);
if (ret) {
- dev_err(pcie->dev, "unable to power on PCIe PHY\n");
+ dev_err(dev, "unable to power on PCIe PHY\n");
goto err_exit_phy;
}
@@ -486,7 +490,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
pcie->reg_offsets = iproc_pcie_reg_paxc;
break;
default:
- dev_err(pcie->dev, "incompatible iProc PCIe interface\n");
+ dev_err(dev, "incompatible iProc PCIe interface\n");
ret = -EINVAL;
goto err_power_off_phy;
}
@@ -496,7 +500,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
if (pcie->need_ob_cfg) {
ret = iproc_pcie_map_ranges(pcie, res);
if (ret) {
- dev_err(pcie->dev, "map failed\n");
+ dev_err(dev, "map failed\n");
goto err_power_off_phy;
}
}
@@ -508,9 +512,9 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
sysdata = pcie;
#endif
- bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops, sysdata, res);
+ bus = pci_create_root_bus(dev, 0, &iproc_pcie_ops, sysdata, res);
if (!bus) {
- dev_err(pcie->dev, "unable to create PCI root bus\n");
+ dev_err(dev, "unable to create PCI root bus\n");
ret = -ENOMEM;
goto err_power_off_phy;
}
@@ -518,7 +522,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
ret = iproc_pcie_check_link(pcie, bus);
if (ret) {
- dev_err(pcie->dev, "no PCIe EP device detected\n");
+ dev_err(dev, "no PCIe EP device detected\n");
goto err_rm_root_bus;
}
@@ -526,7 +530,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
if (IS_ENABLED(CONFIG_PCI_MSI))
if (iproc_pcie_msi_enable(pcie))
- dev_info(pcie->dev, "not using iProc MSI\n");
+ dev_info(dev, "not using iProc MSI\n");
pci_scan_child_bus(bus);
pci_assign_unassigned_bus_resources(bus);