linux-kernel - [PATCH v2] mt76x0: pci: fix set external PA I/O current

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Message-ID: <1539049559-178175-1-git-send-email-yuehaibing@huawei.com>
Date:   Tue, 9 Oct 2018 01:45:59 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     Kalle Valo <kvalo@...eaurora.org>, Felix Fietkau <nbd@....name>,
        "Lorenzo Bianconi" <lorenzo.bianconi@...hat.com>,
        Stanislaw Gruszka <sgruszka@...hat.com>
CC:     YueHaibing <yuehaibing@...wei.com>,
        <linux-wireless@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] mt76x0: pci: fix set external PA I/O current

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/mediatek/mt76/mt76x0/pci.c: In function 'mt76x0e_register_device':
drivers/net/wireless/mediatek/mt76/mt76x0/pci.c:107:8: warning:
 variable 'data' set but not used [-Wunused-but-set-variable]

It seems correct value to write is 'data'

Fixes: 2b2cb40bcd7d ("mt76x0: pci: add hw initialization at bootstrap")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
---
v2: remove 'net-next' from patch title
---
 drivers/net/wireless/mediatek/mt76/mt76x0/pci.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
index 87997cd..0426c68 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
@@ -106,12 +106,12 @@ static int mt76x0e_register_device(struct mt76x02_dev *dev)
 		if (val & MT_EE_NIC_CONF_0_PA_IO_CURRENT) {
 			u32 data;
 
-			/* set external external PA I/O
+			/* set external PA I/O
 			 * current to 16mA
 			 */
 			data = mt76_rr(dev, 0x11c);
-			val |= 0xc03;
-			mt76_wr(dev, 0x11c, val);
+			data |= 0xc03;
+			mt76_wr(dev, 0x11c, data);
 		}
 	}