diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-04-28 15:24:35 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-05-08 16:28:32 +0300 |
| commit | 029cd092f23fb1b372adf8697be1846a1df0492d (patch) | |
| tree | 4abfede1e093bd0dec1bb71904ddcc5b588ada49 /drivers | |
| parent | 11f373c3c1ef04faadcdf6abfcc403b65a20412e (diff) | |
| download | linux-029cd092f23fb1b372adf8697be1846a1df0492d.tar.xz | |
auxdisplay/ht16k33: Use struct fb_info.screen_buffer
Use info->screen_buffer when reading and writing framebuffers in
system memory. It's the correct pointer for this address space.
The struct fb_info has a union to store the framebuffer memory. This can
either be info->screen_base if the framebuffer is stored in I/O memory,
or info->screen_buffer if the framebuffer is stored in system memory.
As the driver operates on the latter address space, it is wrong to use
.screen_base and .screen_buffer must be used instead. This also gets
rid of casting needed due to not using the correct data type.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230428122452.4856-3-tzimmermann@suse.de
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/auxdisplay/ht16k33.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index 02425991c159..edaf92b7ea77 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -640,7 +640,7 @@ static int ht16k33_fbdev_probe(struct device *dev, struct ht16k33_priv *priv, INIT_DELAYED_WORK(&priv->work, ht16k33_fb_update); fbdev->info->fbops = &ht16k33_fb_ops; - fbdev->info->screen_base = (char __iomem *) fbdev->buffer; + fbdev->info->screen_buffer = fbdev->buffer; fbdev->info->screen_size = HT16K33_FB_SIZE; fbdev->info->fix = ht16k33_fb_fix; fbdev->info->var = ht16k33_fb_var; |