linux-kernel - [PATCH] fbdev: i740fb: use memset

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Message-Id: <20220410202833.26608-1-linux@zary.sk>
Date:   Sun, 10 Apr 2022 22:28:33 +0200
From:   Ondrej Zary <linux@...y.sk>
To:     Helge Deller <deller@....de>
Cc:     linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] fbdev: i740fb: use memset_io() to clear screen

sparse complains that using memset() on __iomem pointer is wrong:
incorrect type in argument 1 (different address spaces)

Use memset_io() to clear screen instead.

Tested on real i740 cards.

Signed-off-by: Ondrej Zary <linux@...y.sk>
---
 drivers/video/fbdev/i740fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index 52cce0db8bd3..dd45ea8203be 100644
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -740,7 +740,7 @@ static int i740fb_set_par(struct fb_info *info)
 	if (i)
 		return i;
 
-	memset(info->screen_base, 0, info->screen_size);
+	memset_io(info->screen_base, 0, info->screen_size);
 
 	vga_protect(par);
 
-- 
Ondrej Zary