From 97293de977365fe672daec2523e66ef457104921 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 23 Jun 2016 13:34:26 +0200 Subject: tty: vt, consw->con_scrolldelta cleanup * allow NULL consw->con_scrolldelta (some consoles define an empty hook) * => remove empty hooks now * return value of consw->con_scrolldelta is never checked => make the function void * document consw->con_scrolldelta a bit Signed-off-by: Jiri Slaby Cc: Thomas Winischhofer Cc: linux-usb@vger.kernel.org Cc: Jean-Christophe Plagniol-Villard Cc: Tomi Valkeinen Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: linux-fbdev@vger.kernel.org Cc: linux-parisc@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- include/linux/console.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'include/linux/console.h') diff --git a/include/linux/console.h b/include/linux/console.h index 98c8615dc300..d175de8d7006 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -28,6 +28,12 @@ struct tty_struct; #define VT100ID "\033[?1;2c" #define VT102ID "\033[?6c" +/** + * struct consw - callbacks for consoles + * + * @con_scrolldelta: the contents of the console should be scrolled by @lines. + * Invoked by user. (optional) + */ struct consw { struct module *owner; const char *(*con_startup)(void); @@ -48,7 +54,7 @@ struct consw { int (*con_resize)(struct vc_data *, unsigned int, unsigned int, unsigned int); int (*con_set_palette)(struct vc_data *, const unsigned char *); - int (*con_scrolldelta)(struct vc_data *, int); + void (*con_scrolldelta)(struct vc_data *, int lines); int (*con_set_origin)(struct vc_data *); void (*con_save_screen)(struct vc_data *); u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8, u8); -- cgit v1.2.3 From 709280da6238629c3b488b7be87c6d9185f4d03e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 23 Jun 2016 13:34:27 +0200 Subject: tty: vt, consw->con_set_palette cleanup * 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 Cc: Thomas Winischhofer Cc: linux-usb@vger.kernel.org Cc: Jean-Christophe Plagniol-Villard Cc: Tomi Valkeinen Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: linux-fbdev@vger.kernel.org Cc: linux-parisc@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/tty/vt/vt.c | 2 +- drivers/usb/misc/sisusbvga/sisusb_con.c | 11 ++++------- drivers/video/console/dummycon.c | 1 - drivers/video/console/fbcon.c | 10 +++++----- drivers/video/console/mdacon.c | 6 ------ drivers/video/console/newport_con.c | 6 ------ drivers/video/console/sticon.c | 6 ------ drivers/video/console/vgacon.c | 7 ++----- include/linux/console.h | 4 +++- 9 files changed, 15 insertions(+), 38 deletions(-) (limited to 'include/linux/console.h') diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 365a91d01a0e..d5d906051613 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -3978,7 +3978,7 @@ static void set_palette(struct vc_data *vc) { WARN_CONSOLE_UNLOCKED(); - if (vc->vc_mode != KD_GRAPHICS) + if (vc->vc_mode != KD_GRAPHICS && vc->vc_sw->con_set_palette) vc->vc_sw->con_set_palette(vc, color_table); } diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index a8244ebeb7a7..4112835f4aed 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -595,7 +595,7 @@ sisusbcon_save_screen(struct vc_data *c) } /* interface routine */ -static int +static void sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) { struct sisusb_usb_data *sisusb; @@ -604,17 +604,17 @@ sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) /* Return value not used by vt */ if (!CON_IS_VISIBLE(c)) - return -EINVAL; + return; sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); if (!sisusb) - return -EINVAL; + return; /* sisusb->lock is down */ if (sisusb_is_inactive(c, sisusb)) { mutex_unlock(&sisusb->lock); - return -EINVAL; + return; } for (i = j = 0; i < 16; i++) { @@ -629,8 +629,6 @@ sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) } mutex_unlock(&sisusb->lock); - - return 0; } /* interface routine */ @@ -1428,7 +1426,6 @@ static const struct consw sisusb_dummy_con = { .con_font_get = SISUSBCONDUMMY, .con_font_default = SISUSBCONDUMMY, .con_font_copy = SISUSBCONDUMMY, - .con_set_palette = SISUSBCONDUMMY, }; int diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c index 9ce03b9aba88..0ef544ef5634 100644 --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -71,6 +71,5 @@ const struct consw dummy_con = { .con_font_get = DUMMY, .con_font_default = DUMMY, .con_font_copy = DUMMY, - .con_set_palette = DUMMY, }; EXPORT_SYMBOL_GPL(dummy_con); diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index eadc7bf62eb3..9359b06377cf 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -170,7 +170,7 @@ static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, int height, int width); static int fbcon_switch(struct vc_data *vc); static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch); -static int fbcon_set_palette(struct vc_data *vc, const unsigned char *table); +static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table); /* * Internal routines @@ -2651,17 +2651,17 @@ static struct fb_cmap palette_cmap = { 0, 16, palette_red, palette_green, palette_blue, NULL }; -static int fbcon_set_palette(struct vc_data *vc, const unsigned char *table) +static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table) { struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; int i, j, k, depth; u8 val; if (fbcon_is_inactive(vc, info)) - return -EINVAL; + return; if (!CON_IS_VISIBLE(vc)) - return 0; + return; depth = fb_get_color_depth(&info->var, &info->fix); if (depth > 3) { @@ -2683,7 +2683,7 @@ static int fbcon_set_palette(struct vc_data *vc, const unsigned char *table) } else fb_copy_cmap(fb_default_cmap(1 << depth), &palette_cmap); - return fb_set_cmap(&palette_cmap, info); + fb_set_cmap(&palette_cmap, info); } static u16 *fbcon_screen_pos(struct vc_data *vc, int offset) diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c index 234af26b4829..1fe5245eb6dd 100644 --- a/drivers/video/console/mdacon.c +++ b/drivers/video/console/mdacon.c @@ -481,11 +481,6 @@ static int mdacon_switch(struct vc_data *c) return 1; /* redrawing needed */ } -static int mdacon_set_palette(struct vc_data *c, const unsigned char *table) -{ - return -EINVAL; -} - static int mdacon_blank(struct vc_data *c, int blank, int mode_switch) { if (mda_type == TYPE_MDA) { @@ -572,7 +567,6 @@ static const struct consw mda_con = { .con_bmove = mdacon_bmove, .con_switch = mdacon_switch, .con_blank = mdacon_blank, - .con_set_palette = mdacon_set_palette, .con_build_attr = mdacon_build_attr, .con_invert_region = mdacon_invert_region, }; diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index eb3d4ce12cd5..a436930f9e5d 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -574,11 +574,6 @@ static int newport_font_set(struct vc_data *vc, struct console_font *font, unsig return newport_set_font(vc->vc_num, font); } -static int newport_set_palette(struct vc_data *vc, const unsigned char *table) -{ - return -EINVAL; -} - static int newport_scroll(struct vc_data *vc, int t, int b, int dir, int lines) { @@ -728,7 +723,6 @@ const struct consw newport_con = { .con_blank = newport_blank, .con_font_set = newport_font_set, .con_font_default = newport_font_default, - .con_set_palette = newport_set_palette, .con_set_origin = DUMMY, .con_save_screen = DUMMY }; diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 20f6a2f5d4a7..fe7c4dbb676e 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -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, diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index f447d6916991..aaae9bd23900 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -856,16 +856,13 @@ static void vga_set_palette(struct vc_data *vc, const unsigned char *table) } } -static int vgacon_set_palette(struct vc_data *vc, const unsigned char *table) +static void vgacon_set_palette(struct vc_data *vc, const unsigned char *table) { #ifdef CAN_LOAD_PALETTE if (vga_video_type != VIDEO_TYPE_VGAC || vga_palette_blanked || !CON_IS_VISIBLE(vc)) - return -EINVAL; + return; vga_set_palette(vc, table); - return 0; -#else - return -EINVAL; #endif } diff --git a/include/linux/console.h b/include/linux/console.h index d175de8d7006..382a527104c4 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -31,6 +31,7 @@ struct tty_struct; /** * struct consw - callbacks for consoles * + * @con_set_palette: sets the palette of the console to @table (optional) * @con_scrolldelta: the contents of the console should be scrolled by @lines. * Invoked by user. (optional) */ @@ -53,7 +54,8 @@ struct consw { int (*con_font_copy)(struct vc_data *, int); int (*con_resize)(struct vc_data *, unsigned int, unsigned int, unsigned int); - int (*con_set_palette)(struct vc_data *, const unsigned char *); + void (*con_set_palette)(struct vc_data *, + const unsigned char *table); void (*con_scrolldelta)(struct vc_data *, int lines); int (*con_set_origin)(struct vc_data *); void (*con_save_screen)(struct vc_data *); -- cgit v1.2.3 From 52ad1f38b4f6e2f2133668247036ad64ef7ae18a Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 23 Jun 2016 13:34:28 +0200 Subject: tty: vt, remove consw->con_bmove It is never called since commit 81732c3b2fede (tty vt: Fix line garbage in virtual console on command line edition) in 3.7. So remove all the callbacks. Signed-off-by: Jiri Slaby Cc: Thomas Winischhofer Cc: linux-usb@vger.kernel.org Cc: Jean-Christophe Plagniol-Villard Cc: Tomi Valkeinen Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: linux-fbdev@vger.kernel.org Cc: linux-parisc@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/sisusbvga/sisusb_con.c | 35 --------------------------------- drivers/video/console/dummycon.c | 1 - drivers/video/console/fbcon.c | 1 - drivers/video/console/mdacon.c | 33 ------------------------------- drivers/video/console/newport_con.c | 29 --------------------------- drivers/video/console/sticon.c | 17 ---------------- drivers/video/console/vgacon.c | 1 - include/linux/console.h | 1 - 8 files changed, 118 deletions(-) (limited to 'include/linux/console.h') diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index 4112835f4aed..52a6da991165 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -477,39 +477,6 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width) mutex_unlock(&sisusb->lock); } -/* Interface routine */ -static void -sisusbcon_bmove(struct vc_data *c, int sy, int sx, - int dy, int dx, int height, int width) -{ - struct sisusb_usb_data *sisusb; - int cols, length; - - if (width <= 0 || height <= 0) - return; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - cols = sisusb->sisusb_num_columns; - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - length = ((height * cols) - dx - (cols - width - dx)) * 2; - - - sisusb_copy_memory(sisusb, (unsigned char *)SISUSB_VADDR(dx, dy), - (long)SISUSB_HADDR(dx, dy), length); - - mutex_unlock(&sisusb->lock); -} - /* interface routine */ static int sisusbcon_switch(struct vc_data *c) @@ -1371,7 +1338,6 @@ static const struct consw sisusb_con = { .con_putcs = sisusbcon_putcs, .con_cursor = sisusbcon_cursor, .con_scroll = sisusbcon_scroll, - .con_bmove = sisusbcon_bmove, .con_switch = sisusbcon_switch, .con_blank = sisusbcon_blank, .con_font_set = sisusbcon_font_set, @@ -1419,7 +1385,6 @@ static const struct consw sisusb_dummy_con = { .con_putcs = SISUSBCONDUMMY, .con_cursor = SISUSBCONDUMMY, .con_scroll = SISUSBCONDUMMY, - .con_bmove = SISUSBCONDUMMY, .con_switch = SISUSBCONDUMMY, .con_blank = SISUSBCONDUMMY, .con_font_set = SISUSBCONDUMMY, diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c index 0ef544ef5634..9269d5685239 100644 --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -64,7 +64,6 @@ const struct consw dummy_con = { .con_putcs = DUMMY, .con_cursor = DUMMY, .con_scroll = DUMMY, - .con_bmove = DUMMY, .con_switch = DUMMY, .con_blank = DUMMY, .con_font_set = DUMMY, diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 9359b06377cf..eef8a8b7274f 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -3334,7 +3334,6 @@ static const struct consw fb_con = { .con_putcs = fbcon_putcs, .con_cursor = fbcon_cursor, .con_scroll = fbcon_scroll, - .con_bmove = fbcon_bmove, .con_switch = fbcon_switch, .con_blank = fbcon_blank, .con_font_set = fbcon_set_font, diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c index 1fe5245eb6dd..bacbb044d77c 100644 --- a/drivers/video/console/mdacon.c +++ b/drivers/video/console/mdacon.c @@ -444,38 +444,6 @@ static void mdacon_clear(struct vc_data *c, int y, int x, } } -static void mdacon_bmove(struct vc_data *c, int sy, int sx, - int dy, int dx, int height, int width) -{ - u16 *src, *dest; - - if (width <= 0 || height <= 0) - return; - - if (sx==0 && dx==0 && width==mda_num_columns) { - scr_memmovew(MDA_ADDR(0,dy), MDA_ADDR(0,sy), height*width*2); - - } else if (dy < sy || (dy == sy && dx < sx)) { - src = MDA_ADDR(sx, sy); - dest = MDA_ADDR(dx, dy); - - for (; height > 0; height--) { - scr_memmovew(dest, src, width*2); - src += mda_num_columns; - dest += mda_num_columns; - } - } else { - src = MDA_ADDR(sx, sy+height-1); - dest = MDA_ADDR(dx, dy+height-1); - - for (; height > 0; height--) { - scr_memmovew(dest, src, width*2); - src -= mda_num_columns; - dest -= mda_num_columns; - } - } -} - static int mdacon_switch(struct vc_data *c) { return 1; /* redrawing needed */ @@ -564,7 +532,6 @@ static const struct consw mda_con = { .con_putcs = mdacon_putcs, .con_cursor = mdacon_cursor, .con_scroll = mdacon_scroll, - .con_bmove = mdacon_bmove, .con_switch = mdacon_switch, .con_blank = mdacon_blank, .con_build_attr = mdacon_build_attr, diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index a436930f9e5d..e3b9521e4ec3 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -673,34 +673,6 @@ static int newport_scroll(struct vc_data *vc, int t, int b, int dir, return 1; } -static void newport_bmove(struct vc_data *vc, int sy, int sx, int dy, - int dx, int h, int w) -{ - short xs, ys, xe, ye, xoffs, yoffs; - - xs = sx << 3; - xe = ((sx + w) << 3) - 1; - /* - * as bmove is only used to move stuff around in the same line - * (h == 1), we don't care about wrap arounds caused by topscan != 0 - */ - ys = ((sy << 4) + topscan) & 0x3ff; - ye = (((sy + h) << 4) - 1 + topscan) & 0x3ff; - xoffs = (dx - sx) << 3; - yoffs = (dy - sy) << 4; - if (xoffs > 0) { - /* move to the right, exchange starting points */ - swap(xe, xs); - } - newport_wait(npregs); - npregs->set.drawmode0 = (NPORT_DMODE0_S2S | NPORT_DMODE0_BLOCK | - NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX - | NPORT_DMODE0_STOPY); - npregs->set.xystarti = (xs << 16) | ys; - npregs->set.xyendi = (xe << 16) | ye; - npregs->go.xymove = (xoffs << 16) | yoffs; -} - static int newport_dummy(struct vc_data *c) { return 0; @@ -718,7 +690,6 @@ const struct consw newport_con = { .con_putcs = newport_putcs, .con_cursor = newport_cursor, .con_scroll = newport_scroll, - .con_bmove = newport_bmove, .con_switch = newport_switch, .con_blank = newport_blank, .con_font_set = newport_font_set, diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index fe7c4dbb676e..3a10ac19598f 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -177,22 +177,6 @@ static int sticon_scroll(struct vc_data *conp, int t, int b, int dir, int count) return 0; } -static void sticon_bmove(struct vc_data *conp, int sy, int sx, - int dy, int dx, int height, int width) -{ - if (!width || !height) - return; -#if 0 - if (((sy <= p->cursor_y) && (p->cursor_y < sy+height) && - (sx <= p->cursor_x) && (p->cursor_x < sx+width)) || - ((dy <= p->cursor_y) && (p->cursor_y < dy+height) && - (dx <= p->cursor_x) && (p->cursor_x < dx+width))) - sticon_cursor(p, CM_ERASE /*|CM_SOFTBACK*/); -#endif - - sti_bmove(sticon_sti, sy, sx, dy, dx, height, width); -} - static void sticon_init(struct vc_data *c, int init) { struct sti_struct *sti = sticon_sti; @@ -345,7 +329,6 @@ static const struct consw sti_con = { .con_putcs = sticon_putcs, .con_cursor = sticon_cursor, .con_scroll = sticon_scroll, - .con_bmove = sticon_bmove, .con_switch = sticon_switch, .con_blank = sticon_blank, .con_set_origin = sticon_set_origin, diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index aaae9bd23900..e280b3ceebd9 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -1421,7 +1421,6 @@ const struct consw vga_con = { .con_putcs = DUMMY, .con_cursor = vgacon_cursor, .con_scroll = vgacon_scroll, - .con_bmove = DUMMY, .con_switch = vgacon_switch, .con_blank = vgacon_blank, .con_font_set = vgacon_font_set, diff --git a/include/linux/console.h b/include/linux/console.h index 382a527104c4..d530c4627e54 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -45,7 +45,6 @@ struct consw { void (*con_putcs)(struct vc_data *, const unsigned short *, int, int, int); void (*con_cursor)(struct vc_data *, int); int (*con_scroll)(struct vc_data *, int, int, int, int); - void (*con_bmove)(struct vc_data *, int, int, int, int, int, int); int (*con_switch)(struct vc_data *); int (*con_blank)(struct vc_data *, int, int); int (*con_font_set)(struct vc_data *, struct console_font *, unsigned); -- cgit v1.2.3