| Message ID | 20230713130338.31086-19-tzimmermann@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | fbdev: Remove FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT flags | expand |
On Thu, Jul 13, 2023 at 3:03 PM Thomas Zimmermann <tzimmermann@suse.de> wrote: > > Most fbdev drivers depend on framebuffer_alloc() to initialize the > allocated memory to 0. Document this guarantee. > > Suggested-by: Miguel Ojeda <ojeda@kernel.org> > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> > Cc: Helge Deller <deller@gmx.de> Thanks for sending this! Maybe this would be best earlier in the series, so that later patches make more sense (since they use the guarantee), but it is not a big deal. > + * aligned to sizeof(long). Both, the instance of struct fb_info and > + * the driver private data, are cleared to zero. I think both commas may be best omitted (but I am not a native speaker). Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Cheers, Miguel
On 7/13/23 06:21, Miguel Ojeda wrote: > On Thu, Jul 13, 2023 at 3:03 PM Thomas Zimmermann <tzimmermann@suse.de> wrote: >> >> Most fbdev drivers depend on framebuffer_alloc() to initialize the >> allocated memory to 0. Document this guarantee. >> >> Suggested-by: Miguel Ojeda <ojeda@kernel.org> >> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> >> Cc: Helge Deller <deller@gmx.de> > > Thanks for sending this! Maybe this would be best earlier in the > series, so that later patches make more sense (since they use the > guarantee), but it is not a big deal. > >> + * aligned to sizeof(long). Both, the instance of struct fb_info and >> + * the driver private data, are cleared to zero. > > I think both commas may be best omitted (but I am not a native speaker). Yes, it would be better to omit them. > Reviewed-by: Miguel Ojeda <ojeda@kernel.org> > > Cheers, > Miguel
diff --git a/drivers/video/fbdev/core/fb_info.c b/drivers/video/fbdev/core/fb_info.c index 8bdbefdd4b70..1b7615fc393d 100644 --- a/drivers/video/fbdev/core/fb_info.c +++ b/drivers/video/fbdev/core/fb_info.c @@ -13,7 +13,8 @@ * * Creates a new frame buffer info structure. Also reserves @size bytes * for driver private data (info->par). info->par (if any) will be - * aligned to sizeof(long). + * aligned to sizeof(long). Both, the instance of struct fb_info and + * the driver private data, are cleared to zero. * * Returns the new structure, or NULL if an error occurred. *
Most fbdev drivers depend on framebuffer_alloc() to initialize the allocated memory to 0. Document this guarantee. Suggested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Helge Deller <deller@gmx.de> --- drivers/video/fbdev/core/fb_info.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)