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net: stmmac: dwmac1000: Clear unused address entries

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In case we don't use a given address entry we need to clear it because
it could contain previous values that are no longer valid.

Found out while running stmmac selftests.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-05-24 10:20:21 +02:00 committed by David S. Miller
parent 0926142619
commit 9463c44559
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
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@ -217,6 +217,12 @@ static void dwmac1000_set_filter(struct mac_device_info *hw,
GMAC_ADDR_LOW(reg)); GMAC_ADDR_LOW(reg));
reg++; reg++;
} }
while (reg <= perfect_addr_number) {
writel(0, ioaddr + GMAC_ADDR_HIGH(reg));
writel(0, ioaddr + GMAC_ADDR_LOW(reg));
reg++;
}
} }
#ifdef FRAME_FILTER_DEBUG #ifdef FRAME_FILTER_DEBUG