The 'init' parameter of consw::con_init() is true for the first call of the hook on a particular console. So make the parameter a bool. And document the hook. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Cc: Helge Deller <deller@xxxxxx> Cc: "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> Cc: Daniel Vetter <daniel@xxxxxxxx> Cc: linux-fbdev@xxxxxxxxxxxxxxx Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: linux-parisc@xxxxxxxxxxxxxxx --- Notes: [v2] fix up the comment (Geert) drivers/tty/vt/vt.c | 8 ++++---- drivers/video/console/dummycon.c | 2 +- drivers/video/console/mdacon.c | 2 +- drivers/video/console/newport_con.c | 2 +- drivers/video/console/sticon.c | 2 +- drivers/video/console/vgacon.c | 4 ++-- drivers/video/fbdev/core/fbcon.c | 2 +- include/linux/console.h | 4 +++- 8 files changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index bbfda0d33ca1..fcb41c8724f3 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -999,7 +999,7 @@ int vc_cons_allocated(unsigned int i) return (i < MAX_NR_CONSOLES && vc_cons[i].d); } -static void visual_init(struct vc_data *vc, int num, int init) +static void visual_init(struct vc_data *vc, int num, bool init) { /* ++Geert: vc->vc_sw->con_init determines console size */ if (vc->vc_sw) @@ -1083,7 +1083,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ vc->port.ops = &vc_port_ops; INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); - visual_init(vc, currcons, 1); + visual_init(vc, currcons, true); if (!*vc->uni_pagedict_loc) con_set_default_unimap(vc); @@ -3513,7 +3513,7 @@ static int __init con_init(void) vc_cons[currcons].d = vc = kzalloc(sizeof(struct vc_data), GFP_NOWAIT); INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); tty_port_init(&vc->port); - visual_init(vc, currcons, 1); + visual_init(vc, currcons, true); /* Assuming vc->vc_{cols,rows,screenbuf_size} are sane here. */ vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT); vc_init(vc, currcons || !vc->vc_sw->con_save_screen); @@ -3682,7 +3682,7 @@ static int do_bind_con_driver(const struct consw *csw, int first, int last, old_was_color = vc->vc_can_do_color; vc->vc_sw->con_deinit(vc); vc->vc_origin = (unsigned long)vc->vc_screenbuf; - visual_init(vc, i, 0); + visual_init(vc, i, false); set_origin(vc); update_attr(vc); diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c index 14af5d9e13b0..f2cef9d9a4b5 100644 --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -98,7 +98,7 @@ static const char *dummycon_startup(void) return "dummy device"; } -static void dummycon_init(struct vc_data *vc, int init) +static void dummycon_init(struct vc_data *vc, bool init) { vc->vc_can_do_color = 1; if (init) { diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c index ef29b321967f..c5b255c96879 100644 --- a/drivers/video/console/mdacon.c +++ b/drivers/video/console/mdacon.c @@ -352,7 +352,7 @@ static const char *mdacon_startup(void) return "MDA-2"; } -static void mdacon_init(struct vc_data *c, int init) +static void mdacon_init(struct vc_data *c, bool init) { c->vc_complement_mask = 0x0800; /* reverse video */ c->vc_display_fg = &mda_display_fg; diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index e8e4f82cd4a1..12c64ef47087 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -324,7 +324,7 @@ static const char *newport_startup(void) return NULL; } -static void newport_init(struct vc_data *vc, int init) +static void newport_init(struct vc_data *vc, bool init) { int cols, rows; diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 992a4fa431aa..0bfeabc3f7c7 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -273,7 +273,7 @@ static int sticon_font_set(struct vc_data *vc, struct console_font *font, return sticon_set_font(vc, font, vpitch); } -static void sticon_init(struct vc_data *c, int init) +static void sticon_init(struct vc_data *c, bool init) { struct sti_struct *sti = sticon_sti; int vc_cols, vc_rows; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 0c76e2817b49..5d523753def8 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -367,7 +367,7 @@ static const char *vgacon_startup(void) return display_desc; } -static void vgacon_init(struct vc_data *c, int init) +static void vgacon_init(struct vc_data *c, bool init) { struct uni_pagedict *p; @@ -384,7 +384,7 @@ static void vgacon_init(struct vc_data *c, int init) c->vc_scan_lines = vga_scan_lines; c->vc_font.height = c->vc_cell_height = vga_video_font_height; - /* set dimensions manually if init != 0 since vc_resize() will fail */ + /* set dimensions manually if init is true since vc_resize() will fail */ if (init) { c->vc_cols = vga_video_num_columns; c->vc_rows = vga_video_num_lines; diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index d3fb98084eda..939c5d893dfb 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -988,7 +988,7 @@ static const char *fbcon_startup(void) return display_desc; } -static void fbcon_init(struct vc_data *vc, int init) +static void fbcon_init(struct vc_data *vc, bool init) { struct fb_info *info; struct fbcon_ops *ops; diff --git a/include/linux/console.h b/include/linux/console.h index 93a1db5bf3b5..fc9450e0c78f 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -36,6 +36,8 @@ enum vc_intensity; /** * struct consw - callbacks for consoles * + * @con_init: initialize the console on @vc. @init is true for the very first + * call on this @vc. * @con_scroll: move lines from @top to @bottom in direction @dir by @lines. * Return true if no generic handling should be done. * Invoked by csi_M and printing to the console. @@ -46,7 +48,7 @@ enum vc_intensity; struct consw { struct module *owner; const char *(*con_startup)(void); - void (*con_init)(struct vc_data *vc, int init); + void (*con_init)(struct vc_data *vc, bool init); void (*con_deinit)(struct vc_data *vc); void (*con_clear)(struct vc_data *vc, int sy, int sx, int height, int width); -- 2.43.0