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Subject: Re: [PATCH v3 -next] firmware: ti_sci: Fix gcc
 unused-but-set-variable warning
To:     YueHaibing <yuehaibing@huawei.com>, <nm@ti.com>, <t-kristo@ti.com>,
        <ssantosh@kernel.org>, <santosh.shilimkar@oracle.com>
CC:     <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>
References: <20190614154421.17556-1-yuehaibing@huawei.com>
 <20190615125054.16416-1-yuehaibing@huawei.com>
From:   Suman Anna <s-anna@ti.com>
Message-ID: <e13fe9fa-4a79-8af5-6968-dfc9364a3c55@ti.com>
Date:   Mon, 17 Jun 2019 13:41:40 -0500
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On 6/15/19 7:50 AM, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/firmware/ti_sci.c: In function ti_sci_cmd_ring_config:
> drivers/firmware/ti_sci.c:2035:17: warning: variable dev set but not used [-Wunused-but-set-variable]
> drivers/firmware/ti_sci.c: In function ti_sci_cmd_ring_get_config:
> drivers/firmware/ti_sci.c:2104:17: warning: variable dev set but not used [-Wunused-but-set-variable]
> drivers/firmware/ti_sci.c: In function ti_sci_cmd_rm_udmap_tx_ch_cfg:
> drivers/firmware/ti_sci.c:2287:17: warning: variable dev set but not used [-Wunused-but-set-variable]
> drivers/firmware/ti_sci.c: In function ti_sci_cmd_rm_udmap_rx_ch_cfg:
> drivers/firmware/ti_sci.c:2357:17: warning: variable dev set but not used [-Wunused-but-set-variable]
> 
> Use the 'dev' variable instead of info->dev to fix this.
> 
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

Acked-by: Suman Anna <s-anna@ti.com>

Hi Santosh,
Can you pick up this patch, goes on top of your for_5.3/driver-soc branch?

regards
Suman

> ---
> v3: fix patch title
> v2: use the 'dev' variable as Suman Anna's suggestion
> ---
>  drivers/firmware/ti_sci.c | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
> index 86b2727..c8da6e2 100644
> --- a/drivers/firmware/ti_sci.c
> +++ b/drivers/firmware/ti_sci.c
> @@ -2046,7 +2046,7 @@ static int ti_sci_cmd_ring_config(const struct ti_sci_handle *handle,
>  				   sizeof(*req), sizeof(*resp));
>  	if (IS_ERR(xfer)) {
>  		ret = PTR_ERR(xfer);
> -		dev_err(info->dev, "RM_RA:Message config failed(%d)\n", ret);
> +		dev_err(dev, "RM_RA:Message config failed(%d)\n", ret);
>  		return ret;
>  	}
>  	req = (struct ti_sci_msg_rm_ring_cfg_req *)xfer->xfer_buf;
> @@ -2062,7 +2062,7 @@ static int ti_sci_cmd_ring_config(const struct ti_sci_handle *handle,
>  
>  	ret = ti_sci_do_xfer(info, xfer);
>  	if (ret) {
> -		dev_err(info->dev, "RM_RA:Mbox config send fail %d\n", ret);
> +		dev_err(dev, "RM_RA:Mbox config send fail %d\n", ret);
>  		goto fail;
>  	}
>  
> @@ -2071,7 +2071,7 @@ static int ti_sci_cmd_ring_config(const struct ti_sci_handle *handle,
>  
>  fail:
>  	ti_sci_put_one_xfer(&info->minfo, xfer);
> -	dev_dbg(info->dev, "RM_RA:config ring %u ret:%d\n", index, ret);
> +	dev_dbg(dev, "RM_RA:config ring %u ret:%d\n", index, ret);
>  	return ret;
>  }
>  
> @@ -2115,7 +2115,7 @@ static int ti_sci_cmd_ring_get_config(const struct ti_sci_handle *handle,
>  				   sizeof(*req), sizeof(*resp));
>  	if (IS_ERR(xfer)) {
>  		ret = PTR_ERR(xfer);
> -		dev_err(info->dev,
> +		dev_err(dev,
>  			"RM_RA:Message get config failed(%d)\n", ret);
>  		return ret;
>  	}
> @@ -2125,7 +2125,7 @@ static int ti_sci_cmd_ring_get_config(const struct ti_sci_handle *handle,
>  
>  	ret = ti_sci_do_xfer(info, xfer);
>  	if (ret) {
> -		dev_err(info->dev, "RM_RA:Mbox get config send fail %d\n", ret);
> +		dev_err(dev, "RM_RA:Mbox get config send fail %d\n", ret);
>  		goto fail;
>  	}
>  
> @@ -2150,7 +2150,7 @@ static int ti_sci_cmd_ring_get_config(const struct ti_sci_handle *handle,
>  
>  fail:
>  	ti_sci_put_one_xfer(&info->minfo, xfer);
> -	dev_dbg(info->dev, "RM_RA:get config ring %u ret:%d\n", index, ret);
> +	dev_dbg(dev, "RM_RA:get config ring %u ret:%d\n", index, ret);
>  	return ret;
>  }
>  
> @@ -2298,7 +2298,7 @@ static int ti_sci_cmd_rm_udmap_tx_ch_cfg(const struct ti_sci_handle *handle,
>  				   sizeof(*req), sizeof(*resp));
>  	if (IS_ERR(xfer)) {
>  		ret = PTR_ERR(xfer);
> -		dev_err(info->dev, "Message TX_CH_CFG alloc failed(%d)\n", ret);
> +		dev_err(dev, "Message TX_CH_CFG alloc failed(%d)\n", ret);
>  		return ret;
>  	}
>  	req = (struct ti_sci_msg_rm_udmap_tx_ch_cfg_req *)xfer->xfer_buf;
> @@ -2323,7 +2323,7 @@ static int ti_sci_cmd_rm_udmap_tx_ch_cfg(const struct ti_sci_handle *handle,
>  
>  	ret = ti_sci_do_xfer(info, xfer);
>  	if (ret) {
> -		dev_err(info->dev, "Mbox send TX_CH_CFG fail %d\n", ret);
> +		dev_err(dev, "Mbox send TX_CH_CFG fail %d\n", ret);
>  		goto fail;
>  	}
>  
> @@ -2332,7 +2332,7 @@ static int ti_sci_cmd_rm_udmap_tx_ch_cfg(const struct ti_sci_handle *handle,
>  
>  fail:
>  	ti_sci_put_one_xfer(&info->minfo, xfer);
> -	dev_dbg(info->dev, "TX_CH_CFG: chn %u ret:%u\n", params->index, ret);
> +	dev_dbg(dev, "TX_CH_CFG: chn %u ret:%u\n", params->index, ret);
>  	return ret;
>  }
>  
> @@ -2368,7 +2368,7 @@ static int ti_sci_cmd_rm_udmap_rx_ch_cfg(const struct ti_sci_handle *handle,
>  				   sizeof(*req), sizeof(*resp));
>  	if (IS_ERR(xfer)) {
>  		ret = PTR_ERR(xfer);
> -		dev_err(info->dev, "Message RX_CH_CFG alloc failed(%d)\n", ret);
> +		dev_err(dev, "Message RX_CH_CFG alloc failed(%d)\n", ret);
>  		return ret;
>  	}
>  	req = (struct ti_sci_msg_rm_udmap_rx_ch_cfg_req *)xfer->xfer_buf;
> @@ -2392,7 +2392,7 @@ static int ti_sci_cmd_rm_udmap_rx_ch_cfg(const struct ti_sci_handle *handle,
>  
>  	ret = ti_sci_do_xfer(info, xfer);
>  	if (ret) {
> -		dev_err(info->dev, "Mbox send RX_CH_CFG fail %d\n", ret);
> +		dev_err(dev, "Mbox send RX_CH_CFG fail %d\n", ret);
>  		goto fail;
>  	}
>  
> @@ -2401,7 +2401,7 @@ static int ti_sci_cmd_rm_udmap_rx_ch_cfg(const struct ti_sci_handle *handle,
>  
>  fail:
>  	ti_sci_put_one_xfer(&info->minfo, xfer);
> -	dev_dbg(info->dev, "RX_CH_CFG: chn %u ret:%d\n", params->index, ret);
> +	dev_dbg(dev, "RX_CH_CFG: chn %u ret:%d\n", params->index, ret);
>  	return ret;
>  }
>  
>