Re: [PATCH] Fix namespace conflict between w9968cf.c on MIPS

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Okay, thanks.

Best regards
Luca Risolia

Scrive Ralf Baechle <ralf@xxxxxxxxxxxxxx>:

> Both use __SC.  Since __* is sort of private namespace I've choosen to
> fix this in the driver.  For consistency I decieded to also change
> __UNSC to UNSC.
> 
> Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> 
> diff --git a/drivers/media/video/w9968cf.c b/drivers/media/video/w9968cf.c
> index ddce2fb..9f403af 100644
> --- a/drivers/media/video/w9968cf.c
> +++ b/drivers/media/video/w9968cf.c
> @@ -1827,8 +1827,8 @@ w9968cf_set_window(struct w9968cf_device
>  	int err = 0;
>  
>  	/* Work around to avoid FP arithmetics */
> -	#define __SC(x) ((x) << 10)
> -	#define __UNSC(x) ((x) >> 10)
> +	#define SC(x) ((x) << 10)
> +	#define UNSC(x) ((x) >> 10)
>  
>  	/* Make sure we are using a supported resolution */
>  	if ((err = w9968cf_adjust_window_size(cam, (u16*)&win.width,
> @@ -1836,15 +1836,15 @@ w9968cf_set_window(struct w9968cf_device
>  		goto error;
>  
>  	/* Scaling factors */
> -	fw = __SC(win.width) / cam->maxwidth;
> -	fh = __SC(win.height) / cam->maxheight;
> +	fw = SC(win.width) / cam->maxwidth;
> +	fh = SC(win.height) / cam->maxheight;
>  
>  	/* Set up the width and height values used by the chip */
>  	if ((win.width > cam->maxwidth) || (win.height > cam->maxheight)) {
>  		cam->vpp_flag |= VPP_UPSCALE;
>  		/* Calculate largest w,h mantaining the same w/h ratio */
> -		w = (fw >= fh) ? cam->maxwidth : __SC(win.width)/fh;
> -		h = (fw >= fh) ? __SC(win.height)/fw : cam->maxheight;
> +		w = (fw >= fh) ? cam->maxwidth : SC(win.width)/fh;
> +		h = (fw >= fh) ? SC(win.height)/fw : cam->maxheight;
>  		if (w < cam->minwidth) /* just in case */
>  			w = cam->minwidth;
>  		if (h < cam->minheight) /* just in case */
> @@ -1861,8 +1861,8 @@ w9968cf_set_window(struct w9968cf_device
>  
>  	/* Calculate cropped area manteining the right w/h ratio */
>  	if (cam->largeview && !(cam->vpp_flag & VPP_UPSCALE)) {
> -		cw = (fw >= fh) ? cam->maxwidth : __SC(win.width)/fh;
> -		ch = (fw >= fh) ? __SC(win.height)/fw : cam->maxheight;
> +		cw = (fw >= fh) ? cam->maxwidth : SC(win.width)/fh;
> +		ch = (fw >= fh) ? SC(win.height)/fw : cam->maxheight;
>  	} else {
>  		cw = w;
>  		ch = h;
> @@ -1901,8 +1901,8 @@ w9968cf_set_window(struct w9968cf_device
>  	/* We have to scale win.x and win.y offsets */
>  	if ( (cam->largeview && !(cam->vpp_flag & VPP_UPSCALE))
>  	     || (cam->vpp_flag & VPP_UPSCALE) ) {
> -		ax = __SC(win.x)/fw;
> -		ay = __SC(win.y)/fh;
> +		ax = SC(win.x)/fw;
> +		ay = SC(win.y)/fh;
>  	} else {
>  		ax = win.x;
>  		ay = win.y;
> @@ -1917,8 +1917,8 @@ w9968cf_set_window(struct w9968cf_device
>  	/* Adjust win.x, win.y */
>  	if ( (cam->largeview && !(cam->vpp_flag & VPP_UPSCALE))
>  	     || (cam->vpp_flag & VPP_UPSCALE) ) {
> -		win.x = __UNSC(ax*fw);
> -		win.y = __UNSC(ay*fh);
> +		win.x = UNSC(ax*fw);
> +		win.y = UNSC(ay*fh);
>  	} else {
>  		win.x = ax;
>  		win.y = ay;
> 
> 






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