linux-kernel - [PATCH] sky2: Replace mdelay with msleep in sky2_vpd

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Message-Id: <1514632187-14849-1-git-send-email-baijiaju1990@gmail.com>
Date:   Sat, 30 Dec 2017 19:09:47 +0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     mlindner@...vell.com, stephen@...workplumber.org,
        shemminger@...ux-foundation.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jia-Ju Bai <baijiaju1990@...il.com>
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 <baijiaju1990@...il.com>
---
 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