linux-kernel - Re: [PATCH -next] w1: ds1wm: Remove set but not used variable 'inten'

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Date:   Tue, 15 Jun 2021 09:59:21 +0800
From:   "libaokun (A)" <libaokun1@...wei.com>
To:     <zbr@...emap.net>, <linux-kernel@...r.kernel.org>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <yukuai3@...wei.com>
Subject: Re: [PATCH -next] w1: ds1wm: Remove set but not used variable 'inten'

ping

在 2021/5/29 11:59, Baokun Li 写道:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/w1/masters/ds1wm.c: In function 'ds1wm_probe':
> drivers/w1/masters/ds1wm.c:512:5: warning:
>   variable ‘inten’ set but not used [-Wunused-but-set-variable]
>
> It never used since introduction.
>
> Signed-off-by: Baokun Li <libaokun1@...wei.com>
> ---
>   drivers/w1/masters/ds1wm.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
> index f661695fb589..f59d92865ecb 100644
> --- a/drivers/w1/masters/ds1wm.c
> +++ b/drivers/w1/masters/ds1wm.c
> @@ -509,7 +509,6 @@ static int ds1wm_probe(struct platform_device *pdev)
>   	struct ds1wm_driver_data *plat;
>   	struct resource *res;
>   	int ret;
> -	u8 inten;
>   
>   	if (!pdev)
>   		return -ENODEV;
> @@ -564,7 +563,7 @@ static int ds1wm_probe(struct platform_device *pdev)
>   	ds1wm_data->reset_recover_delay = plat->reset_recover_delay;
>   
>   	/* Mask interrupts, set IAS before claiming interrupt */
> -	inten = ds1wm_read_register(ds1wm_data, DS1WM_INT_EN);
> +	ds1wm_read_register(ds1wm_data, DS1WM_INT_EN);
>   	ds1wm_write_register(ds1wm_data,
>   		DS1WM_INT_EN, ds1wm_data->int_en_reg_none);
>