linux-kernel - [PATCH] video: fbdev: s3c-fb: fix sparse warnings about using incorrect types

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Date:   Thu, 27 Jun 2019 14:58:01 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     Jingoo Han <jingoohan1@...il.com>
Subject: [PATCH] video: fbdev: s3c-fb: fix sparse warnings about using
 incorrect types

Use ->screen_buffer instead of ->screen_base to fix sparse warnings.

[ Please see commit 17a7b0b4d974 ("fb.h: Provide alternate screen_base
  pointer") for details. ]

Reported-by: kbuild test robot <lkp@...el.com>
Cc: Jingoo Han <jingoohan1@...il.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
---
 drivers/video/fbdev/s3c-fb.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Index: b/drivers/video/fbdev/s3c-fb.c
===================================================================
--- a/drivers/video/fbdev/s3c-fb.c
+++ b/drivers/video/fbdev/s3c-fb.c
@@ -1105,14 +1105,14 @@ static int s3c_fb_alloc_memory(struct s3
 
 	dev_dbg(sfb->dev, "want %u bytes for window\n", size);
 
-	fbi->screen_base = dma_alloc_wc(sfb->dev, size, &map_dma, GFP_KERNEL);
-	if (!fbi->screen_base)
+	fbi->screen_buffer = dma_alloc_wc(sfb->dev, size, &map_dma, GFP_KERNEL);
+	if (!fbi->screen_buffer)
 		return -ENOMEM;
 
 	dev_dbg(sfb->dev, "mapped %x to %p\n",
-		(unsigned int)map_dma, fbi->screen_base);
+		(unsigned int)map_dma, fbi->screen_buffer);
 
-	memset(fbi->screen_base, 0x0, size);
+	memset(fbi->screen_buffer, 0x0, size);
 	fbi->fix.smem_start = map_dma;
 
 	return 0;
@@ -1129,9 +1129,9 @@ static void s3c_fb_free_memory(struct s3
 {
 	struct fb_info *fbi = win->fbinfo;
 
-	if (fbi->screen_base)
+	if (fbi->screen_buffer)
 		dma_free_wc(sfb->dev, PAGE_ALIGN(fbi->fix.smem_len),
-		            fbi->screen_base, fbi->fix.smem_start);
+			    fbi->screen_buffer, fbi->fix.smem_start);
 }
 
 /**