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net: macb: do not set again bit 0 of queue_mask 

Bit 0 of queue_mask is set at the beginning of
macb_probe_queues() function. Do not set it again after reading
DGFG6 but instead use "|=" operator.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Claudiu Beznea 2020-07-02 12:05:58 +03:00 committed by David S. Miller
parent 9eb6206d13
commit fec371f624
1 changed files with 1 additions and 3 deletions
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4
drivers/net/ethernet/cadence/macb_main.c
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@ -3497,9 +3497,7 @@ static void macb_probe_queues(void __iomem *mem,
return;
/* bit 0 is never set but queue 0 always exists */
*queue_mask = readl_relaxed(mem + GEM_DCFG6) & 0xff;
*queue_mask |= 0x1;
*queue_mask |= readl_relaxed(mem + GEM_DCFG6) & 0xff;
for (hw_q = 1; hw_q < MACB_MAX_QUEUES; ++hw_q)
if (*queue_mask & (1 << hw_q))