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ftgmac100: Restart MAC HW once

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[ Upstream commit 6897087323 ]

The interrupt handler may set the flag to reset the mac in the future,
but that flag is not cleared once the reset has occurred.

Fixes: 10cbd64076 ("ftgmac100: Rework NAPI & interrupts handling")
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dylan Hung
2021-03-12 11:04:05 +10:30
committed by Greg Kroah-Hartman
parent e64a5a5b8e
commit b50c46ef67
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/faraday/ftgmac100.c
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@@ -1308,6 +1308,7 @@ static int ftgmac100_poll(struct napi_struct *napi, int budget)
*/
if (unlikely(priv->need_mac_restart)) {
ftgmac100_start_hw(priv);
priv->need_mac_restart = false;
/* Re-enable "bad" interrupts */
iowrite32(FTGMAC100_INT_BAD,