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Subject[PATCH net-next 2/4] net: macb: use hweight_long() to count set bits in queue_mask
Date
Use hweight_long() to count set bits in queue_mask.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/net/ethernet/cadence/macb_main.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 1bc2810f3dc4..a84fb0ec53f0 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -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 = hweight_long(*queue_mask);
}

static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
--
2.7.4
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