netdev - Re: [PATCH 2/5] net: ethernet: stmmac: fix warning when w=1 option is used during build

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Date:   Thu, 3 Oct 2019 12:14:06 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Christophe Roullier <christophe.roullier@...com>,
        <robh@...nel.org>, <davem@...emloft.net>, <joabreu@...opsys.com>,
        <mark.rutland@....com>, <mcoquelin.stm32@...il.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>,
        <andrew@...n.ch>
Subject: Re: [PATCH 2/5] net: ethernet: stmmac: fix warning when w=1 option is
 used during build

Hi,

On 9/20/19 7:38 AM, Christophe Roullier wrote:
> 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>
> ---

Acked-by: Alexandre TORGUE <alexandre.torgue@...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,
>