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>
This commit is contained in:
Heiner Kallweit 2020-04-26 23:35:59 +02:00 committed by David S. Miller
parent 45c9cbec42
commit 975e8505e6

View File

@ -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)))