diff options
author | Bjorn Helgaas <bhelgaas@google.com> | 2016-10-06 20:25:46 +0200 |
---|---|---|
committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-10-11 15:30:33 +0200 |
commit | ad8802189426cf7b3a2ad0444f71981fb81312a8 (patch) | |
tree | 524f4559a9f5c984a31bb977f5ab9e384586d57c /drivers/pci/host | |
parent | PCI: designware: Simplify pcie_host_ops.readl_rc() and .writel_rc() interfaces (diff) | |
download | linux-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')
-rw-r--r-- | drivers/pci/host/pci-exynos.c | 2 | ||||
-rw-r--r-- | drivers/pci/host/pcie-designware.c | 48 | ||||
-rw-r--r-- | drivers/pci/host/pcie-designware.h | 2 |
3 files changed, 26 insertions, 26 deletions
diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c index b29e9d64d41b..f559b494f300 100644 --- a/drivers/pci/host/pci-exynos.c +++ b/drivers/pci/host/pci-exynos.c @@ -435,7 +435,7 @@ static inline u32 exynos_pcie_readl_rc(struct pcie_port *pp, u32 reg) return val; } -static inline void exynos_pcie_writel_rc(struct pcie_port *pp, u32 val, u32 reg) +static inline void exynos_pcie_writel_rc(struct pcie_port *pp, u32 reg, u32 val) { exynos_pcie_sideband_dbi_w_mode(pp, true); writel(val, pp->dbi_base + reg); 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 diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h index 60cbc682618f..c41384832766 100644 --- a/drivers/pci/host/pcie-designware.h +++ b/drivers/pci/host/pcie-designware.h @@ -55,7 +55,7 @@ struct pcie_port { struct pcie_host_ops { u32 (*readl_rc)(struct pcie_port *pp, u32 reg); - void (*writel_rc)(struct pcie_port *pp, u32 val, u32 reg); + void (*writel_rc)(struct pcie_port *pp, u32 reg, u32 val); int (*rd_own_conf)(struct pcie_port *pp, int where, int size, u32 *val); int (*wr_own_conf)(struct pcie_port *pp, int where, int size, u32 val); int (*rd_other_conf)(struct pcie_port *pp, struct pci_bus *bus, |