summaryrefslogtreecommitdiffstats
path: root/drivers/pci/host/pcie-designware.c
diff options
context:
space:
mode:
authorBjorn Helgaas <bhelgaas@google.com>2016-10-06 20:25:46 +0200
committerBjorn Helgaas <bhelgaas@google.com>2016-10-11 15:30:33 +0200
commitad8802189426cf7b3a2ad0444f71981fb81312a8 (patch)
tree524f4559a9f5c984a31bb977f5ab9e384586d57c /drivers/pci/host/pcie-designware.c
parentPCI: designware: Simplify pcie_host_ops.readl_rc() and .writel_rc() interfaces (diff)
downloadlinux-ad8802189426cf7b3a2ad0444f71981fb81312a8.tar.xz
linux-ad8802189426cf7b3a2ad0444f71981fb81312a8.zip
PCI: designware: Swap order of dw_pcie_writel_rc() reg/val arguments
Swap order of dw_pcie_writel_rc() arguments to match the "dev, pos, val" order used by pci_write_config_word() and other drivers. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/pcie-designware.c')
-rw-r--r--drivers/pci/host/pcie-designware.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 6a28eb1e2ef9..f91c7b305ca2 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -149,10 +149,10 @@ static inline u32 dw_pcie_readl_rc(struct pcie_port *pp, u32 reg)
return readl(pp->dbi_base + reg);
}
-static inline void dw_pcie_writel_rc(struct pcie_port *pp, u32 val, u32 reg)
+static inline void dw_pcie_writel_rc(struct pcie_port *pp, u32 reg, u32 val)
{
if (pp->ops->writel_rc)
- pp->ops->writel_rc(pp, val, reg);
+ pp->ops->writel_rc(pp, reg, val);
else
writel(val, pp->dbi_base + reg);
}
@@ -169,7 +169,7 @@ static inline void dw_pcie_writel_unroll(struct pcie_port *pp, u32 index,
{
u32 offset = PCIE_GET_ATU_OUTB_UNR_REG_OFFSET(index);
- dw_pcie_writel_rc(pp, val, offset + reg);
+ dw_pcie_writel_rc(pp, offset + reg, val);
}
static int dw_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
@@ -211,20 +211,20 @@ static void dw_pcie_prog_outbound_atu(struct pcie_port *pp, int index,
dw_pcie_writel_unroll(pp, index,
PCIE_ATU_ENABLE, PCIE_ATU_UNR_REGION_CTRL2);
} else {
- dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | index,
- PCIE_ATU_VIEWPORT);
- dw_pcie_writel_rc(pp, lower_32_bits(cpu_addr),
- PCIE_ATU_LOWER_BASE);
- dw_pcie_writel_rc(pp, upper_32_bits(cpu_addr),
- PCIE_ATU_UPPER_BASE);
- dw_pcie_writel_rc(pp, lower_32_bits(cpu_addr + size - 1),
- PCIE_ATU_LIMIT);
- dw_pcie_writel_rc(pp, lower_32_bits(pci_addr),
- PCIE_ATU_LOWER_TARGET);
- dw_pcie_writel_rc(pp, upper_32_bits(pci_addr),
- PCIE_ATU_UPPER_TARGET);
- dw_pcie_writel_rc(pp, type, PCIE_ATU_CR1);
- dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
+ dw_pcie_writel_rc(pp, PCIE_ATU_VIEWPORT,
+ PCIE_ATU_REGION_OUTBOUND | index);
+ dw_pcie_writel_rc(pp, PCIE_ATU_LOWER_BASE,
+ lower_32_bits(cpu_addr));
+ dw_pcie_writel_rc(pp, PCIE_ATU_UPPER_BASE,
+ upper_32_bits(cpu_addr));
+ dw_pcie_writel_rc(pp, PCIE_ATU_LIMIT,
+ lower_32_bits(cpu_addr + size - 1));
+ dw_pcie_writel_rc(pp, PCIE_ATU_LOWER_TARGET,
+ lower_32_bits(pci_addr));
+ dw_pcie_writel_rc(pp, PCIE_ATU_UPPER_TARGET,
+ upper_32_bits(pci_addr));
+ dw_pcie_writel_rc(pp, PCIE_ATU_CR1, type);
+ dw_pcie_writel_rc(pp, PCIE_ATU_CR2, PCIE_ATU_ENABLE);
}
/*
@@ -829,7 +829,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp)
dev_err(pp->dev, "num-lanes %u: invalid value\n", pp->lanes);
return;
}
- dw_pcie_writel_rc(pp, val, PCIE_PORT_LINK_CONTROL);
+ dw_pcie_writel_rc(pp, PCIE_PORT_LINK_CONTROL, val);
/* set link width speed control register */
val = dw_pcie_readl_rc(pp, PCIE_LINK_WIDTH_SPEED_CONTROL);
@@ -848,30 +848,30 @@ void dw_pcie_setup_rc(struct pcie_port *pp)
val |= PORT_LOGIC_LINK_WIDTH_8_LANES;
break;
}
- dw_pcie_writel_rc(pp, val, PCIE_LINK_WIDTH_SPEED_CONTROL);
+ dw_pcie_writel_rc(pp, PCIE_LINK_WIDTH_SPEED_CONTROL, val);
/* setup RC BARs */
- dw_pcie_writel_rc(pp, 0x00000004, PCI_BASE_ADDRESS_0);
- dw_pcie_writel_rc(pp, 0x00000000, PCI_BASE_ADDRESS_1);
+ dw_pcie_writel_rc(pp, PCI_BASE_ADDRESS_0, 0x00000004);
+ dw_pcie_writel_rc(pp, PCI_BASE_ADDRESS_1, 0x00000000);
/* setup interrupt pins */
val = dw_pcie_readl_rc(pp, PCI_INTERRUPT_LINE);
val &= 0xffff00ff;
val |= 0x00000100;
- dw_pcie_writel_rc(pp, val, PCI_INTERRUPT_LINE);
+ dw_pcie_writel_rc(pp, PCI_INTERRUPT_LINE, val);
/* setup bus numbers */
val = dw_pcie_readl_rc(pp, PCI_PRIMARY_BUS);
val &= 0xff000000;
val |= 0x00010100;
- dw_pcie_writel_rc(pp, val, PCI_PRIMARY_BUS);
+ dw_pcie_writel_rc(pp, PCI_PRIMARY_BUS, val);
/* setup command register */
val = dw_pcie_readl_rc(pp, PCI_COMMAND);
val &= 0xffff0000;
val |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
PCI_COMMAND_MASTER | PCI_COMMAND_SERR;
- dw_pcie_writel_rc(pp, val, PCI_COMMAND);
+ dw_pcie_writel_rc(pp, PCI_COMMAND, val);
/*
* If the platform provides ->rd_other_conf, it means the platform