linux-kernel - [PATCH 1/1] net: ethernet: stmmac: fix warning when w=1 option is used during build

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Message-ID: <20191104083438.8288-1-christophe.roullier@st.com>
Date:   Mon, 4 Nov 2019 09:34:38 +0100
From:   Christophe Roullier <christophe.roullier@...com>
To:     <robh@...nel.org>, <davem@...emloft.net>, <joabreu@...opsys.com>,
        <mark.rutland@....com>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <peppe.cavallaro@...com>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
        <christophe.roullier@...com>, <andrew@...n.ch>
Subject: [PATCH  1/1] net: ethernet: stmmac: fix warning when w=1 option is used during build

This patch fix the following warning:

warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
  int val, ret;

Signed-off-by: Christophe Roullier <christophe.roullier@...com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index 4ef041bdf6a1..595af2ec89fb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -175,7 +175,7 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
 {
 	struct stm32_dwmac *dwmac = plat_dat->bsp_priv;
 	u32 reg = dwmac->mode_reg;
-	int val, ret;
+	int val;
 
 	switch (plat_dat->interface) {
 	case PHY_INTERFACE_MODE_MII:
@@ -211,8 +211,8 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
 	}
 
 	/* Need to update PMCCLRR (clear register) */
-	ret = regmap_write(dwmac->regmap, reg + SYSCFG_PMCCLRR_OFFSET,
-			   dwmac->ops->syscfg_eth_mask);
+	regmap_write(dwmac->regmap, reg + SYSCFG_PMCCLRR_OFFSET,
+		     dwmac->ops->syscfg_eth_mask);
 
 	/* Update PMCSETR (set register) */
 	return regmap_update_bits(dwmac->regmap, reg,
-- 
2.17.1