diff options
Diffstat (limited to 'drivers/pci/dwc/pcie-designware.c')
| -rw-r--r-- | drivers/pci/dwc/pcie-designware.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c index ea403e2..734acac 100644 --- a/drivers/pci/dwc/pcie-designware.c +++ b/drivers/pci/dwc/pcie-designware.c @@ -61,21 +61,35 @@ int dw_pcie_write(void __iomem *addr, int size, u32 val) return PCIBIOS_SUCCESSFUL; } -u32 __dw_pcie_readl_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg) +u32 __dw_pcie_read_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg, + size_t size) { - if (pci->ops->readl_dbi) - return pci->ops->readl_dbi(pci, base, reg); + int ret; + u32 val; + + if (pci->ops->read_dbi) + return pci->ops->read_dbi(pci, base, reg, size); - return readl(base + reg); + ret = dw_pcie_read(base + reg, size, &val); + if (ret) + dev_err(pci->dev, "read DBI address failed\n"); + + return val; } -void __dw_pcie_writel_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg, - u32 val) +void __dw_pcie_write_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg, + size_t size, u32 val) { - if (pci->ops->writel_dbi) - pci->ops->writel_dbi(pci, base, reg, val); - else - writel(val, base + reg); + int ret; + + if (pci->ops->write_dbi) { + pci->ops->write_dbi(pci, base, reg, size, val); + return; + } + + ret = dw_pcie_write(base + reg, size, val); + if (ret) + dev_err(pci->dev, "write DBI address failed\n"); } static u32 dw_pcie_readl_unroll(struct dw_pcie *pci, u32 index, u32 reg) |
