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tty: vt, consw->con_set_palette cleanup

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* allow NULL consw->con_set_palette (some consoles define an empty
  hook)
* => remove empty hooks now
* return value of consw->con_set_palette is never checked => make the
  function void
* document consw->con_set_palette a bit

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: linux-usb@vger.kernel.org
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby
2016-06-23 13:34:27 +02:00
committed by Greg Kroah-Hartman
parent 97293de977
commit 709280da62
9 changed files with 15 additions and 38 deletions
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6
drivers/video/console/sticon.c
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@@ -79,11 +79,6 @@ static const char *sticon_startup(void)
return "STI console";
}
static int sticon_set_palette(struct vc_data *c, const unsigned char *table)
{
return -EINVAL;
}
static void sticon_putc(struct vc_data *conp, int c, int ypos, int xpos)
{
int redraw_cursor = 0;
@@ -353,7 +348,6 @@ static const struct consw sti_con = {
.con_bmove = sticon_bmove,
.con_switch = sticon_switch,
.con_blank = sticon_blank,
.con_set_palette = sticon_set_palette,
.con_set_origin = sticon_set_origin,
.con_save_screen = sticon_save_screen,
.con_build_attr = sticon_build_attr,