Pls ignore this.there has a fix:
[PATCH] fbdev/via: fix defined but not used warning
On 2018/7/13 15:56, YueHaibing wrote:
> When CONFIG_PROC_FS isn't set, gcc warning this:
>
> drivers/video/fbdev/via/viafbdev.c:1471:12: warning: ‘viafb_sup_odev_proc_show’ defined but not used [-Wunused-function]
> static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
> ^
> fix this by adding #ifdef around it.
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> drivers/video/fbdev/via/viafbdev.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c
> index d2f7850..edca3e0 100644
> --- a/drivers/video/fbdev/via/viafbdev.c
> +++ b/drivers/video/fbdev/via/viafbdev.c
> @@ -1468,12 +1468,14 @@ static const struct file_operations viafb_vt1636_proc_fops = {
>
> #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
>
> +#ifdef CONFIG_PROC_FS
> static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
> {
> via_odev_to_seq(m, supported_odev_map[
> viaparinfo->shared->chip_info.gfx_chip_name]);
> return 0;
> }
> +#endif
>
> static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
> {
>
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