netdev - [PATCH] mt7601u: phy: simplify zero check on val

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Message-Id: <20190920125414.15507-1-colin.king@canonical.com>
Date:   Fri, 20 Sep 2019 14:54:14 +0200
From:   Colin King <colin.king@...onical.com>
To:     Jakub Kicinski <kubakici@...pl>, Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mt7601u: phy: simplify zero check on val

From: Colin Ian King <colin.king@...onical.com>

Currently the zero check on val to break out of a loop
is a little obscure.  Replace the val is zero and break check
with a loop while value is non-zero.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/net/wireless/mediatek/mt7601u/phy.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c
index 06f5702ab4bd..4e0e473caae1 100644
--- a/drivers/net/wireless/mediatek/mt7601u/phy.c
+++ b/drivers/net/wireless/mediatek/mt7601u/phy.c
@@ -213,9 +213,7 @@ int mt7601u_wait_bbp_ready(struct mt7601u_dev *dev)
 
 	do {
 		val = mt7601u_bbp_rr(dev, MT_BBP_REG_VERSION);
-		if (val && ~val)
-			break;
-	} while (--i);
+	} while (val && --i);
 
 	if (!i) {
 		dev_err(dev->dev, "Error: BBP is not ready\n");
-- 
2.20.1