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From:   Christophe Roullier <christophe.roullier@st.com>
To:     <robh@kernel.org>, <davem@davemloft.net>, <joabreu@synopsys.com>,
        <mark.rutland@arm.com>, <mcoquelin.stm32@gmail.com>,
        <alexandre.torgue@st.com>, <peppe.cavallaro@st.com>
CC:     <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>, <netdev@vger.kernel.org>,
        <christophe.roullier@st.com>, <andrew@lunn.ch>
Subject: [net: ethernet: stmmac: some fixes and optimizations 2/5] net: ethernet: stmmac: fix warning when w=1 option is used during build
Date:   Tue, 29 Oct 2019 11:14:38 +0100
Message-ID: <20191029101441.17290-3-christophe.roullier@st.com>
In-Reply-To: <20191029101441.17290-1-christophe.roullier@st.com>
References: <20191029101441.17290-1-christophe.roullier@st.com>
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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@st.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 7e6619868cc1..167a5e99960a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -184,7 +184,7 @@ 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:
@@ -220,8 +220,8 @@ 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