fbdev: add kerneldoc do remove_conflicting_framebuffers()

Document remove_conflicting_framebuffers() behaviour.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/283fef19815b991700b56119d8d5874a2a8da44e.1535810304.git.mirq-linux@rere.qmqm.pl

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 21f3d31d3c2e75a05398a23d306eb9c31f25f52f..6e9961b714428eb978aa5217542467e86723fba5 100644 (file)
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1793,6 +1793,16 @@ int unlink_framebuffer(struct fb_info *fb_info)
 }
 EXPORT_SYMBOL(unlink_framebuffer);
 
+/**
+ * remove_conflicting_framebuffers - remove firmware-configured framebuffers
+ * @a: memory range, users of which are to be removed
+ * @name: requesting driver name
+ * @primary: also kick vga16fb if present
+ *
+ * This function removes framebuffer devices (initialized by firmware/bootloader)
+ * which use memory range described by @a. If @a is NULL all such devices are
+ * removed.
+ */
 int remove_conflicting_framebuffers(struct apertures_struct *a,
                                    const char *name, bool primary)
 {