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net: macb: use hweight32() to count set bits in queue_mask

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Use hweight32() to count set bits in queue_mask.

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 12:05:59 +03:00 committed by David S. Miller
parent fec371f624
commit b7ab39b359
1 changed files with 1 additions and 6 deletions
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7
drivers/net/ethernet/cadence/macb_main.c
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@ -3482,8 +3482,6 @@ static void macb_probe_queues(void __iomem *mem,
unsigned int *queue_mask,
unsigned int *num_queues)
{
unsigned int hw_q;
*queue_mask = 0x1;
*num_queues = 1;
@ -3498,10 +3496,7 @@ static void macb_probe_queues(void __iomem *mem,
/* bit 0 is never set but queue 0 always exists */
*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))
(*num_queues)++;
*num_queues = hweight32(*queue_mask);
}
static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,