linux-kernel - [PATCH] net: adaptec: Replace mdelay() with msleep() in starfire_init

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Date:   Fri, 27 Jul 2018 11:51:06 +0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     ionut@...ula.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jia-Ju Bai <baijiaju1990@...il.com>
Subject: [PATCH] net: adaptec: Replace mdelay() with msleep() in starfire_init_one()

starfire_init_one() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
---
 drivers/net/ethernet/adaptec/starfire.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c
index 3872ab96b80a..097467f44b0d 100644
--- a/drivers/net/ethernet/adaptec/starfire.c
+++ b/drivers/net/ethernet/adaptec/starfire.c
@@ -802,7 +802,7 @@ static int starfire_init_one(struct pci_dev *pdev,
 		int mii_status;
 		for (phy = 0; phy < 32 && phy_idx < PHY_CNT; phy++) {
 			mdio_write(dev, phy, MII_BMCR, BMCR_RESET);
-			mdelay(100);
+			msleep(100);
 			boguscnt = 1000;
 			while (--boguscnt > 0)
 				if ((mdio_read(dev, phy, MII_BMCR) & BMCR_RESET) == 0)
-- 
2.17.0