linux-kernel - Re: [PATCH] mfd: remove unused variables

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Date:	Wed, 7 Oct 2015 15:03:39 +0200
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Arnd Bergmann <arnd@...db.de>, Lee Jones <lee.jones@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] mfd: remove unused variables

Hello Arnd,

On 10/07/2015 02:49 PM, Arnd Bergmann wrote:
> A mass-cleanup by Javier Martinez Canillas removed a lot of
> unused code, but left at least two variables in mfd drivers
> in place that are now causing warnings:
> 
> drivers/mfd/rtsx_pcr.c: In function 'rtsx_pci_set_pull_ctl':
> drivers/mfd/rtsx_pcr.c:564:6: warning: unused variable 'err' [-Wunused-variable]
> drivers/mfd/lm3533-core.c: In function 'lm3533_i2c_probe':
> drivers/mfd/lm3533-core.c:595:6: warning: unused variable 'ret' [-Wunused-variable]
> 
> This removes them as well.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: c749db571dc ("mfd: lm3533: Simplify function return logic")
> Fixes: a3c29b09982 ("mfd: rtsx: Simplify function return logic")
> ---

I thought that I got rid of all the unused variables but somehow
I missed these. Sorry and thanks a lot for taking care of this.

> 
> diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
> index 193ecee1fa7e..5abcbb2e8849 100644
> --- a/drivers/mfd/lm3533-core.c
> +++ b/drivers/mfd/lm3533-core.c
> @@ -592,7 +592,6 @@ static int lm3533_i2c_probe(struct i2c_client *i2c,
>  					const struct i2c_device_id *id)
>  {
>  	struct lm3533 *lm3533;
> -	int ret;
>  
>  	dev_dbg(&i2c->dev, "%s\n", __func__);
>  
> diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
> index b98cf1de0a55..d63f3a896adb 100644
> --- a/drivers/mfd/rtsx_pcr.c
> +++ b/drivers/mfd/rtsx_pcr.c
> @@ -561,8 +561,6 @@ EXPORT_SYMBOL_GPL(rtsx_pci_write_ppbuf);
>  
>  static int rtsx_pci_set_pull_ctl(struct rtsx_pcr *pcr, const u32 *tbl)
>  {
> -	int err;
> -
>  	rtsx_pci_init_cmd(pcr);
>  
>  	while (*tbl & 0xFFFF0000) {
> 

Patch looks good to me.

Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America
--
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