PCI: rcar: Remove redundant config accessor register number checks

The PCI core will have already checked the configuration register address
before calling the {read|write}() methods; so don't check it again in these
methods.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 8eb12c3b420fb5243ce9b4a8878f3b88a3c91e33)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 8e06124..c06b888 100644 (file)
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -260,11 +260,6 @@ static int rcar_pcie_read_conf(struct pci_bus *bus, unsigned int devfn,
        struct rcar_pcie *pcie = sys_to_pcie(bus->sysdata);
        int ret;
 
-       if ((size == 2) && (where & 1))
-               return PCIBIOS_BAD_REGISTER_NUMBER;
-       else if ((size == 4) && (where & 3))
-               return PCIBIOS_BAD_REGISTER_NUMBER;
-
        ret = rcar_pcie_config_access(pcie, PCI_ACCESS_READ,
                                      bus, devfn, where, val);
        if (ret != PCIBIOS_SUCCESSFUL) {
@@ -292,11 +287,6 @@ static int rcar_pcie_write_conf(struct pci_bus *bus, unsigned int devfn,
        int shift, ret;
        u32 data;
 
-       if ((size == 2) && (where & 1))
-               return PCIBIOS_BAD_REGISTER_NUMBER;
-       else if ((size == 4) && (where & 3))
-               return PCIBIOS_BAD_REGISTER_NUMBER;
-
        ret = rcar_pcie_config_access(pcie, PCI_ACCESS_READ,
                                      bus, devfn, where, &data);
        if (ret != PCIBIOS_SUCCESSFUL)