fbdev: sbuslib: remove unused FBIOSCURSOR32 helper

No driver implements FBIOSCURSOR, so this function has no purpose
and can be removed. Apparently it was added in linux-2.1.44 to handle
compatibility for drivers/sbus/char/sunfb.c but lost its purpose when
that driver got rewritten in linux-2.5.63.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200918100926.1447563-2-arnd@arndb.de
This commit is contained in:
Arnd Bergmann 2020-09-18 12:09:05 +02:00 committed by Sam Ravnborg
parent 06f4277463
commit 3f6195d10f

View File

@ -214,32 +214,6 @@ static int fbiogetputcmap(struct fb_info *info, unsigned int cmd, unsigned long
(unsigned long)p);
}
static int fbiogscursor(struct fb_info *info, unsigned long arg)
{
struct fbcursor __user *p = compat_alloc_user_space(sizeof(*p));
struct fbcursor32 __user *argp = (void __user *)arg;
compat_uptr_t addr;
int ret;
ret = copy_in_user(p, argp,
2 * sizeof (short) + 2 * sizeof(struct fbcurpos));
ret |= copy_in_user(&p->size, &argp->size, sizeof(struct fbcurpos));
ret |= copy_in_user(&p->cmap, &argp->cmap, 2 * sizeof(int));
ret |= get_user(addr, &argp->cmap.red);
ret |= put_user(compat_ptr(addr), &p->cmap.red);
ret |= get_user(addr, &argp->cmap.green);
ret |= put_user(compat_ptr(addr), &p->cmap.green);
ret |= get_user(addr, &argp->cmap.blue);
ret |= put_user(compat_ptr(addr), &p->cmap.blue);
ret |= get_user(addr, &argp->mask);
ret |= put_user(compat_ptr(addr), &p->mask);
ret |= get_user(addr, &argp->image);
ret |= put_user(compat_ptr(addr), &p->image);
if (ret)
return -EFAULT;
return info->fbops->fb_ioctl(info, FBIOSCURSOR, (unsigned long)p);
}
int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
@ -248,6 +222,7 @@ int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
case FBIOGATTR:
case FBIOSVIDEO:
case FBIOGVIDEO:
case FBIOSCURSOR32:
case FBIOGCURSOR32: /* This is not implemented yet.
Later it should be converted... */
case FBIOSCURPOS:
@ -258,8 +233,6 @@ int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
return fbiogetputcmap(info, cmd, arg);
case FBIOGETCMAP32:
return fbiogetputcmap(info, cmd, arg);
case FBIOSCURSOR32:
return fbiogscursor(info, arg);
default:
return -ENOIOCTLCMD;
}