PCI: designware: Simplify pcie_host_ops.readl_rc() and .writel_rc() interfaces
The struct pcie_host_ops.readl_rc() and .writel_rc() function pointers
allow a driver to override the default DesignWare register accessors.
Make the signature of the override functions the same as the default
accessors. This makes the default dw_pcie_readl_rc() and the corresponding
override more structurally similar: both will compute the final register
address with "pp->dbi_base + reg". Previously dw_pcie_readl_rc() computed
the address and passed it to the override.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h
index c8e5bc6..60cbc68 100644
--- a/drivers/pci/host/pcie-designware.h
+++ b/drivers/pci/host/pcie-designware.h
@@ -54,9 +54,8 @@
};
struct pcie_host_ops {
- u32 (*readl_rc)(struct pcie_port *pp, void __iomem *dbi_base);
- void (*writel_rc)(struct pcie_port *pp,
- u32 val, void __iomem *dbi_base);
+ u32 (*readl_rc)(struct pcie_port *pp, u32 reg);
+ void (*writel_rc)(struct pcie_port *pp, u32 val, u32 reg);
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,