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| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-10-06 21:36:57 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-10-12 06:56:55 +0300 |
| commit | e481e0d00d8ba246fcf45e2bd13c91ee7b6677d8 (patch) | |
| tree | 6a2115ccf3aa66aaad9c3bea724d52b7792eb38b /drivers/pci/host/pci-keystone-dw.c | |
| parent | 5649e4ced9671e01bdb1f50b2b5987d44c9a6d3d (diff) | |
| download | linux-e481e0d00d8ba246fcf45e2bd13c91ee7b6677d8.tar.xz | |
PCI: keystone: Pass keystone_pcie, not va_app_base, to DBI functions
Instead of passing ks_pcie->va_app_base to DBI mode functions,
pass the struct keystone_pcie. This will allow them to use register
accessors. No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/pci-keystone-dw.c')
| -rw-r--r-- | drivers/pci/host/pci-keystone-dw.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c index dae68a230440..1de39af78907 100644 --- a/drivers/pci/host/pci-keystone-dw.c +++ b/drivers/pci/host/pci-keystone-dw.c @@ -325,15 +325,15 @@ static const struct irq_domain_ops ks_dw_pcie_legacy_irq_domain_ops = { * Since modification of dbi_cs2 involves different clock domain, read the * status back to ensure the transition is complete. */ -static void ks_dw_pcie_set_dbi_mode(void __iomem *reg_virt) +static void ks_dw_pcie_set_dbi_mode(struct keystone_pcie *ks_pcie) { u32 val; - writel(DBI_CS2_EN_VAL | readl(reg_virt + CMD_STATUS), - reg_virt + CMD_STATUS); + writel(DBI_CS2_EN_VAL | readl(ks_pcie->va_app_base + CMD_STATUS), + ks_pcie->va_app_base + CMD_STATUS); do { - val = readl(reg_virt + CMD_STATUS); + val = readl(ks_pcie->va_app_base + CMD_STATUS); } while (!(val & DBI_CS2_EN_VAL)); } @@ -343,15 +343,15 @@ static void ks_dw_pcie_set_dbi_mode(void __iomem *reg_virt) * Since modification of dbi_cs2 involves different clock domain, read the * status back to ensure the transition is complete. */ -static void ks_dw_pcie_clear_dbi_mode(void __iomem *reg_virt) +static void ks_dw_pcie_clear_dbi_mode(struct keystone_pcie *ks_pcie) { u32 val; - writel(~DBI_CS2_EN_VAL & readl(reg_virt + CMD_STATUS), - reg_virt + CMD_STATUS); + writel(~DBI_CS2_EN_VAL & readl(ks_pcie->va_app_base + CMD_STATUS), + ks_pcie->va_app_base + CMD_STATUS); do { - val = readl(reg_virt + CMD_STATUS); + val = readl(ks_pcie->va_app_base + CMD_STATUS); } while (val & DBI_CS2_EN_VAL); } @@ -362,10 +362,10 @@ void ks_dw_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie) int i, tr_size; /* Disable BARs for inbound access */ - ks_dw_pcie_set_dbi_mode(ks_pcie->va_app_base); + ks_dw_pcie_set_dbi_mode(ks_pcie); dw_pcie_writel_rc(pp, PCI_BASE_ADDRESS_0, 0); dw_pcie_writel_rc(pp, PCI_BASE_ADDRESS_1, 0); - ks_dw_pcie_clear_dbi_mode(ks_pcie->va_app_base); + ks_dw_pcie_clear_dbi_mode(ks_pcie); /* Set outbound translation size per window division */ writel(CFG_PCIM_WIN_SZ_IDX & 0x7, ks_pcie->va_app_base + OB_SIZE); @@ -459,13 +459,13 @@ void ks_dw_pcie_v3_65_scan_bus(struct pcie_port *pp) struct keystone_pcie *ks_pcie = to_keystone_pcie(pp); /* Configure and set up BAR0 */ - ks_dw_pcie_set_dbi_mode(ks_pcie->va_app_base); + ks_dw_pcie_set_dbi_mode(ks_pcie); /* Enable BAR0 */ dw_pcie_writel_rc(pp, PCI_BASE_ADDRESS_0, 1); dw_pcie_writel_rc(pp, PCI_BASE_ADDRESS_0, SZ_4K - 1); - ks_dw_pcie_clear_dbi_mode(ks_pcie->va_app_base); + ks_dw_pcie_clear_dbi_mode(ks_pcie); /* * For BAR0, just setting bus address for inbound writes (MSI) should |