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tty: vt: remove unused consw::con_flush_scrollback()

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consw::con_flush_scrollback() is unused since commit 973c096f6a
(vgacon: remove software scrollback support). Drop it.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-45-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2024-01-22 12:03:58 +01:00 committed by Greg Kroah-Hartman
parent f441aa3b44
commit b23bf1a43b
2 changed files with 12 additions and 19 deletions
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27
drivers/tty/vt/vt.c
View File

@ -888,21 +888,18 @@ static void flush_scrollback(struct vc_data *vc)
WARN_CONSOLE_UNLOCKED();
set_origin(vc);
if (vc->vc_sw->con_flush_scrollback) {
vc->vc_sw->con_flush_scrollback(vc);
} else if (con_is_visible(vc)) {
/*
* When no con_flush_scrollback method is provided then the
* legacy way for flushing the scrollback buffer is to use
* a side effect of the con_switch method. We do it only on
* the foreground console as background consoles have no
* scrollback buffers in that case and we obviously don't
* want to switch to them.
*/
hide_cursor(vc);
vc->vc_sw->con_switch(vc);
set_cursor(vc);
}
if (!con_is_visible(vc))
return;
/*
* The legacy way for flushing the scrollback buffer is to use a side
* effect of the con_switch method. We do it only on the foreground
* console as background consoles have no scrollback buffers in that
* case and we obviously don't want to switch to them.
*/
hide_cursor(vc);
vc->vc_sw->con_switch(vc);
set_cursor(vc);
}
/*

4
include/linux/console.h
View File

@ -96,10 +96,6 @@ struct consw {
enum vc_intensity intensity,
bool blink, bool underline, bool reverse, bool italic);
void (*con_invert_region)(struct vc_data *vc, u16 *p, int count);
/*
* Flush the video console driver's scrollback buffer
*/
void (*con_flush_scrollback)(struct vc_data *vc);
/*
* Prepare the console for the debugger. This includes, but is not
* limited to, unblanking the console, loading an appropriate