/* * linux/drivers/video/dummycon.c -- A dummy console driver * * To be used if there's no other console driver (e.g. for plain VGA text) * available, usually until fbcon takes console over. */ #include #include #include #include #include #include #include /* * Dummy console driver */ #if defined(__arm__) #define DUMMY_COLUMNS screen_info.orig_video_cols #define DUMMY_ROWS screen_info.orig_video_lines #else /* set by Kconfig. Use 80x25 for 640x480 and 160x64 for 1280x1024 */ #define DUMMY_COLUMNS CONFIG_DUMMY_CONSOLE_COLUMNS #define DUMMY_ROWS CONFIG_DUMMY_CONSOLE_ROWS #endif static const char *dummycon_startup(void) { return "dummy device"; } static void dummycon_init(struct vc_data *vc, int init) { vc->vc_can_do_color = 1; if (init) { vc->vc_cols = DUMMY_COLUMNS; vc->vc_rows = DUMMY_ROWS; } else vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS); } static int dummycon_dummy(void) { return 0; } #define DUMMY (void *)dummycon_dummy /* * The console `switch' structure for the dummy console * * Most of the operations are dummies. */ const struct consw dummy_con = { .owner = THIS_MODULE, .con_startup = dummycon_startup, .con_init = dummycon_init, .con_deinit = DUMMY, .con_clear = DUMMY, .con_putc = DUMMY, .con_putcs = DUMMY, .con_cursor = DUMMY, .con_scroll = DUMMY, .con_switch = DUMMY, .con_blank = DUMMY, .con_font_set = DUMMY, .con_font_get = DUMMY, .con_font_default = DUMMY, .con_font_copy = DUMMY, }; EXPORT_SYMBOL_GPL(dummy_con); 71fecd8e8b1e8763181363ef703e'>refslogtreecommitdiff
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-22 12:47:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-22 12:47:48 -0800
commit095cbe66973771fecd8e8b1e8763181363ef703e (patch)
treec361a93d62ed171ac958deb0d4ff0faa980bb290 /include/uapi/drm/exynos_drm.h
parent24b86839fab8e8059d2b16e0067dc86a1a0d3514 (diff)
parent020eb3daaba2857b32c4cf4c82f503d6a00a67de (diff)
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner: "Restore the retrigger callbacks in the IO APIC irq chips. That addresses a long standing regression which got introduced with the rewrite of the x86 irq subsystem two years ago and went unnoticed so far" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ioapic: Restore IO-APIC irq_chip retrigger callback
Diffstat (limited to 'include/uapi/drm/exynos_drm.h')