r8169: improve handling CPCMD_MASK

It's sufficient to do the masking once in probe() for clearing
unwanted bits that may have been set by the BIOS.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 4c61670..06a877f 100644 (file)
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -3845,7 +3845,6 @@ static void rtl_hw_start(struct  rtl8169_private *tp)
 {
        rtl_unlock_config_regs(tp);
 
-       tp->cp_cmd &= CPCMD_MASK;
        RTL_W16(tp, CPlusCmd, tp->cp_cmd);
 
        if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
@@ -5424,7 +5423,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        tp->mac_version = chipset;
 
-       tp->cp_cmd = RTL_R16(tp, CPlusCmd);
+       tp->cp_cmd = RTL_R16(tp, CPlusCmd) & CPCMD_MASK;
 
        if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 &&
            !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)))