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>

1 files changed, 0 insertions, 10 deletions

diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index f7d3de32c9a0..027876a1fc3f 100644
--- 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) {
@@ -291,11 +286,6 @@ 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)