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>

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 52582e8..1bc2810 100644 (file)
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -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))