netdev - [PATCH v3] net: ns83820: code cleanup for ns83820_probe

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Message-ID: <20190219090635.134457-1-maowenan@huawei.com>
Date:   Tue, 19 Feb 2019 17:06:35 +0800
From:   Mao Wenan <maowenan@...wei.com>
To:     <kernel-janitors@...r.kernel.org>, <netdev@...r.kernel.org>,
        <john.fastabend@...il.com>, <hawk@...nel.org>,
        <jakub.kicinski@...ronome.com>, <daniel@...earbox.net>,
        <ast@...nel.org>, <julia.lawall@...6.fr>
Subject: [PATCH v3] net: ns83820: code cleanup for ns83820_probe_phy()

This patch is to do code cleanup for ns83820_probe_phy().
It deletes unused variable 'first' and commented out code.

Signed-off-by: Mao Wenan <maowenan@...wei.com>
---
 v2->v3: delte unused variable 'first'; change subject from 
 "net: ns83820: drop pointless static qualifier in ns83820_probe_phy()" to
 "net: ns83820: code cleanup for ns83820_probe_phy()". 
 drivers/net/ethernet/natsemi/ns83820.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c
index 958fced4dacf..955d34a6f0d8 100644
--- a/drivers/net/ethernet/natsemi/ns83820.c
+++ b/drivers/net/ethernet/natsemi/ns83820.c
@@ -1869,34 +1869,16 @@ static unsigned ns83820_mii_write_reg(struct ns83820 *dev, unsigned phy, unsigne
 static void ns83820_probe_phy(struct net_device *ndev)
 {
 	struct ns83820 *dev = PRIV(ndev);
-	static int first;
 	int i;
 #define MII_PHYIDR1	0x02
 #define MII_PHYIDR2	0x03
 
-#if 0
-	if (!first) {
-		unsigned tmp;
-		ns83820_mii_read_reg(dev, 1, 0x09);
-		ns83820_mii_write_reg(dev, 1, 0x10, 0x0d3e);
-
-		tmp = ns83820_mii_read_reg(dev, 1, 0x00);
-		ns83820_mii_write_reg(dev, 1, 0x00, tmp | 0x8000);
-		udelay(1300);
-		ns83820_mii_read_reg(dev, 1, 0x09);
-	}
-#endif
-	first = 1;
-
 	for (i=1; i<2; i++) {
 		int j;
 		unsigned a, b;
 		a = ns83820_mii_read_reg(dev, i, MII_PHYIDR1);
 		b = ns83820_mii_read_reg(dev, i, MII_PHYIDR2);
 
-		//printk("%s: phy %d: 0x%04x 0x%04x\n",
-		//	ndev->name, i, a, b);
-
 		for (j=0; j<0x16; j+=4) {
 			dprintk("%s: [0x%02x] %04x %04x %04x %04x\n",
 				ndev->name, j,
-- 
2.20.1