[PATCH linux dev-5.10 28/35] ftgmac100: Restart MAC HW once

Eddie James eajames at linux.ibm.com
Tue Mar 9 09:54:12 AEDT 2021


From: Dylan Hung <dylan_hung at aspeedtech.com>

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

Fixes: 10cbd6407609 ("ftgmac100: Rework NAPI & interrupts handling")
Signed-off-by: Dylan Hung <dylan_hung at aspeedtech.com>
Signed-off-by: Joel Stanley <joel at jms.id.au>
Link: https://lore.kernel.org/r/20201019085717.32413-5-dylan_hung@aspeedtech.com
Signed-off-by: Joel Stanley <joel at jms.id.au>
---
 drivers/net/ethernet/faraday/ftgmac100.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index e04bb9d6a9af..1c7912a94e36 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1318,6 +1318,7 @@ 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,
-- 
2.27.0



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