On Thu, Jul 31, 2008 at 5:15 AM, Andrew Morton
<akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 31 Jul 2008 01:03:52 +0400 Alexander Beregalov <a.beregalov@xxxxxxxxx> wrote:
>
>> From: Alexander Beregalov <a.beregalov@xxxxxxxxx>
>>
>> atyfb_base.c: fix warning
>>
>> drivers/video/aty/atyfb_base.c:2663: warning: 'aty_resume_chip' defined
>> but not used
>>
>> Signed-off-by: Alexander Beregalov <a.beregalov@xxxxxxxxx>
>> Cc: Ville Syrjala <syrjala@xxxxxx>
>> Cc: Antonino A. Daplas <adaplas@xxxxxxx>
>> ---
>>
>> drivers/video/aty/atyfb_base.c | 4 ++++
>> 1 files changed, 4 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
>> index 620ba81..9e5dfb1 100644
>> --- a/drivers/video/aty/atyfb_base.c
>> +++ b/drivers/video/aty/atyfb_base.c
>> @@ -244,7 +244,9 @@ static int atyfb_sync(struct fb_info *info);
>> */
>>
>> static int aty_init(struct fb_info *info);
>> +#if defined(CONFIG_PM) && defined(CONFIG_PCI)
>> static void aty_resume_chip(struct fb_info *info);
>> +#endif
>> #ifdef CONFIG_ATARI
>> static int store_video_par(char *videopar, unsigned char m64_num);
>> #endif
>> @@ -2659,6 +2661,7 @@ aty_init_exit:
>> return ret;
>> }
>>
>> +#if defined(CONFIG_PM) && defined(CONFIG_PCI)
>> static void aty_resume_chip(struct fb_info *info)
>> {
>> struct atyfb_par *par = info->par;
>> @@ -2671,6 +2674,7 @@ static void aty_resume_chip(struct fb_info *info)
>> if (par->aux_start)
>> aty_st_le32(BUS_CNTL, aty_ld_le32(BUS_CNTL, par) | BUS_APER_REG_DIS, par);
>> }
>> +#endif /* defined(CONFIG_PM) && defined(CONFIG_PCI) */
>>
>> #ifdef CONFIG_ATARI
>> static int __devinit store_video_par(char *video_str, unsigned char m64_num)
>
> OK...
>
> We don't strictly need the first ifdef - it's OK to declare a
> non-existent function, and ifdefs are ugly.
>
> But we can reorganise the code a bit more and remove the forward
> declaration altogether and remove a whole ifdef block too.
>
> How does this look?
>
Ah. Much better, this is definitely the way to go.
Mark
> drivers/video/aty/atyfb_base.c | 29 +++++++++++++++--------------
> 1 file changed, 15 insertions(+), 14 deletions(-)
>
> diff -puN drivers/video/aty/atyfb_base.c~atyfb_basec-fix-warning drivers/video/aty/atyfb_base.c
> --- a/drivers/video/aty/atyfb_base.c~atyfb_basec-fix-warning
> +++ a/drivers/video/aty/atyfb_base.c
> @@ -244,7 +244,7 @@ static int atyfb_sync(struct fb_info *in
> */
>
> static int aty_init(struct fb_info *info);
> -static void aty_resume_chip(struct fb_info *info);
> +
> #ifdef CONFIG_ATARI
> static int store_video_par(char *videopar, unsigned char m64_num);
> #endif
> @@ -2023,6 +2023,20 @@ static int atyfb_pci_suspend(struct pci_
> return 0;
> }
>
> +static void aty_resume_chip(struct fb_info *info)
> +{
> + struct atyfb_par *par = info->par;
> +
> + aty_st_le32(MEM_CNTL, par->mem_cntl, par);
> +
> + if (par->pll_ops->resume_pll)
> + par->pll_ops->resume_pll(info, &par->pll);
> +
> + if (par->aux_start)
> + aty_st_le32(BUS_CNTL,
> + aty_ld_le32(BUS_CNTL, par) | BUS_APER_REG_DIS, par);
> +}
> +
> static int atyfb_pci_resume(struct pci_dev *pdev)
> {
> struct fb_info *info = pci_get_drvdata(pdev);
> @@ -2659,19 +2673,6 @@ aty_init_exit:
> return ret;
> }
>
> -static void aty_resume_chip(struct fb_info *info)
> -{
> - struct atyfb_par *par = info->par;
> -
> - aty_st_le32(MEM_CNTL, par->mem_cntl, par);
> -
> - if (par->pll_ops->resume_pll)
> - par->pll_ops->resume_pll(info, &par->pll);
> -
> - if (par->aux_start)
> - aty_st_le32(BUS_CNTL, aty_ld_le32(BUS_CNTL, par) | BUS_APER_REG_DIS, par);
> -}
> -
> #ifdef CONFIG_ATARI
> static int __devinit store_video_par(char *video_str, unsigned char m64_num)
> {
> _
>
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