For dwmac4, GMAC_INT_DEFAULT_ENABLE already includes
GMAC_INT_PMT_EN, so it is redundant to check if hw->pmt
is set, and if so, setting the bit again.

For dwmac1000, GMAC_INT_DEFAULT_MASK does not include
GMAC_INT_DISABLE_PMT, so it is redundant to check if
hw->pmt is set, and if so, clearing an already cleared bit.

Improve code readability by removing this redundant code.

Signed-off-by: Niklas Cassel <niklas.cas...@axis.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 2 --
 drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c    | 3 +--
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 540d21786a43..ef10baf14186 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -74,8 +74,6 @@ static void dwmac1000_core_init(struct mac_device_info *hw,
        /* Mask GMAC interrupts */
        value = GMAC_INT_DEFAULT_MASK;
 
-       if (hw->pmt)
-               value &= ~GMAC_INT_DISABLE_PMT;
        if (hw->pcs)
                value &= ~GMAC_INT_DISABLE_PCS;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 6badc63d8e6d..63795ecafc8d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -63,8 +63,7 @@ static void dwmac4_core_init(struct mac_device_info *hw,
 
        /* Enable GMAC interrupts */
        value = GMAC_INT_DEFAULT_ENABLE;
-       if (hw->pmt)
-               value |= GMAC_INT_PMT_EN;
+
        if (hw->pcs)
                value |= GMAC_PCS_IRQ_DEFAULT;
 
-- 
2.14.2

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