Re: [PATCH v2 1/6] video: fbdev: controlfb: fix sparse warning about using incorrect type

From: Daniel Vetter
Date: Tue Mar 24 2020 - 16:45:29 EST


On Tue, Mar 24, 2020 at 02:45:03PM +0100, Bartlomiej Zolnierkiewicz wrote:
> Use in_le32() instead of le32_to_cpup() to fix sparse warning about
> improper type of the argument.
>
> Also add missing inline keyword to control_par_to_var() definition
> (to match function prototype).
>
> Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> ---
> drivers/video/fbdev/controlfb.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
> index 38b61cdb5ca4..9625792f4413 100644
> --- a/drivers/video/fbdev/controlfb.c
> +++ b/drivers/video/fbdev/controlfb.c
> @@ -313,7 +313,7 @@ static int controlfb_blank(int blank_mode, struct fb_info *info)
> container_of(info, struct fb_info_control, info);
> unsigned ctrl;
>
> - ctrl = le32_to_cpup(CNTRL_REG(p,ctrl));
> + ctrl = in_le32(CNTRL_REG(p, ctrl));
> if (blank_mode > 0)
> switch (blank_mode) {
> case FB_BLANK_VSYNC_SUSPEND:
> @@ -952,7 +952,8 @@ static int control_var_to_par(struct fb_var_screeninfo *var,
> * Convert hardware data in par to an fb_var_screeninfo
> */
>
> -static void control_par_to_var(struct fb_par_control *par, struct fb_var_screeninfo *var)
> +static inline void control_par_to_var(struct fb_par_control *par,

Just quick drive-by bikeshed, feel free to ignore: static inline within a
.c file imo doesn't make sense anymore, compilers are smart enough
nowadays. I'd just drop this.
-Daniel

> + struct fb_var_screeninfo *var)
> {
> struct control_regints *rv;
>
> --
> 2.24.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch