[PATCH v2 27/28] video: fbdev: cirrusfb: Fix kernel-doc and set but not used warnings

[Thomas Zimmermann]

Hi

Am 28.11.20 um 23:41 schrieb Sam Ravnborg:
> Fix warnings:
> - drop kernel-doc for the two debug functions to avoid the warnings
> - delete unused code
> 
> v2:
>    - Updated subject (Lee)
> 
> Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
> Cc: Thomas Zimemrmann <tzimmermann at suse.de>
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: "Gustavo A. R. Silva" <gustavoars at kernel.org>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Saeed Mirzamohammadi <saeed.mirzamohammadi at oracle.com>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Cc: Mike Rapoport <rppt at kernel.org>
> Cc: Lee Jones <lee.jones at linaro.org>
> ---
>   drivers/video/fbdev/cirrusfb.c | 20 +++++++++-----------
>   1 file changed, 9 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/video/fbdev/cirrusfb.c b/drivers/video/fbdev/cirrusfb.c
> index e9027172c0f5..93802abbbc72 100644
> --- a/drivers/video/fbdev/cirrusfb.c
> +++ b/drivers/video/fbdev/cirrusfb.c
> @@ -2463,8 +2463,6 @@ static void AttrOn(const struct cirrusfb_info *cinfo)
>    */
>   static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val)
>   {
> -	unsigned char dummy;
> -
>   	if (is_laguna(cinfo))
>   		return;
>   	if (cinfo->btype == BT_PICASSO) {
> @@ -2473,18 +2471,18 @@ static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val)
>   		WGen(cinfo, VGA_PEL_MSK, 0x00);
>   		udelay(200);
>   		/* next read dummy from pixel address (3c8) */
> -		dummy = RGen(cinfo, VGA_PEL_IW);
> +		RGen(cinfo, VGA_PEL_IW);

I hope these kinds of changes do not turn into an endless stream of 
warnings from static ananlysis. I git an email with that today about 
such a call.

Acked-by: Thomas Zimmermann <tzimmermann at suse.de>

>   		udelay(200);
>   	}
>   	/* now do the usual stuff to access the HDR */
>   
> -	dummy = RGen(cinfo, VGA_PEL_MSK);
> +	RGen(cinfo, VGA_PEL_MSK);
>   	udelay(200);
> -	dummy = RGen(cinfo, VGA_PEL_MSK);
> +	RGen(cinfo, VGA_PEL_MSK);
>   	udelay(200);
> -	dummy = RGen(cinfo, VGA_PEL_MSK);
> +	RGen(cinfo, VGA_PEL_MSK);
>   	udelay(200);
> -	dummy = RGen(cinfo, VGA_PEL_MSK);
> +	RGen(cinfo, VGA_PEL_MSK);
>   	udelay(200);
>   
>   	WGen(cinfo, VGA_PEL_MSK, val);
> @@ -2492,7 +2490,7 @@ static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val)
>   
>   	if (cinfo->btype == BT_PICASSO) {
>   		/* now first reset HDR access counter */
> -		dummy = RGen(cinfo, VGA_PEL_IW);
> +		RGen(cinfo, VGA_PEL_IW);
>   		udelay(200);
>   
>   		/* and at the end, restore the mask value */
> @@ -2800,9 +2798,9 @@ static void bestclock(long freq, int *nom, int *den, int *div)
>   
>   #ifdef CIRRUSFB_DEBUG
>   
> -/**
> +/*
>    * cirrusfb_dbg_print_regs
> - * @base: If using newmmio, the newmmio base address, otherwise %NULL
> + * @regbase: If using newmmio, the newmmio base address, otherwise %NULL
>    * @reg_class: type of registers to read: %CRT, or %SEQ
>    *
>    * DESCRIPTION:
> @@ -2847,7 +2845,7 @@ static void cirrusfb_dbg_print_regs(struct fb_info *info,
>   	va_end(list);
>   }
>   
> -/**
> +/*
>    * cirrusfb_dbg_reg_dump
>    * @base: If using newmmio, the newmmio base address, otherwise %NULL
>    *
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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