staging: mt7621-pci: use PCI definitions instead of hardcode values

Seting up ports to enable PCI_COMMAND_MASTER is using '0x4' as a
hardcore value and '0x4' also for PCI_COMMAND register instead
of use definitions from linux pci system headers. Replace both.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index 8db94fd..507b8c6 100644 (file)
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -515,8 +515,9 @@ static void mt7621_pcie_enable_ports(struct mt7621_pcie *pcie)
        }
 
        for (slot = 0; slot < num_slots_enabled; slot++) {
-               val = read_config(pcie, slot, 0x4);
-               write_config(pcie, slot, 0x4, val | 0x4);
+               val = read_config(pcie, slot, PCI_COMMAND);
+               val |= PCI_COMMAND_MASTER;
+               write_config(pcie, slot, PCI_COMMAND, val);
                /* configure RC FTS number to 250 when it leaves L0s */
                val = read_config(pcie, slot, PCIE_FTS_NUM);
                val &= ~PCIE_FTS_NUM_MASK;