2017-12-24 03:51:43

by Jia-Ju Bai

[permalink] [raw]
Subject: [PATCH] sky2: Replace mdelay with msleep in sky2_vpd_wait

sky2_vpd_wait is not called in an interrupt handler nor holding a spinlock.
The function mdelay in it can be replaced with msleep, to reduce busy wait.

Signed-off-by: Jia-Ju Bai <[email protected]>
---
drivers/net/ethernet/marvell/sky2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 9efe177..9fe8530 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4287,7 +4287,7 @@ static int sky2_vpd_wait(const struct sky2_hw *hw, int cap, u16 busy)
dev_err(&hw->pdev->dev, "VPD cycle timed out\n");
return -ETIMEDOUT;
}
- mdelay(1);
+ msleep(1);
}

return 0;
--
1.7.9.5