drivers/video/console/dummycon.c:26:25: error: 'CONFIG_DUMMY_CONSOLE_COLUMNS' undeclared; did you mean 'CONFIG_DUMMY_CONSOLE'?

From: kernel test robot
Date: Sun Sep 15 2024 - 03:34:48 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0babf683783ddca06551537c6781e413cfe8d27b
commit: 4293b09251490fe493c3fc5e0d3de7168fe70039 dummycon: limit Arm console size hack to footbridge
date: 11 months ago
config: arm-randconfig-r003-20221107 (https://download.01.org/0day-ci/archive/20240915/202409151512.LML1slol-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240915/202409151512.LML1slol-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409151512.LML1slol-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

drivers/video/console/dummycon.c: In function 'dummycon_init':
>> drivers/video/console/dummycon.c:26:25: error: 'CONFIG_DUMMY_CONSOLE_COLUMNS' undeclared (first use in this function); did you mean 'CONFIG_DUMMY_CONSOLE'?
26 | #define DUMMY_COLUMNS CONFIG_DUMMY_CONSOLE_COLUMNS
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/console/dummycon.c:104:23: note: in expansion of macro 'DUMMY_COLUMNS'
104 | vc->vc_cols = DUMMY_COLUMNS;
| ^~~~~~~~~~~~~
drivers/video/console/dummycon.c:26:25: note: each undeclared identifier is reported only once for each function it appears in
26 | #define DUMMY_COLUMNS CONFIG_DUMMY_CONSOLE_COLUMNS
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/console/dummycon.c:104:23: note: in expansion of macro 'DUMMY_COLUMNS'
104 | vc->vc_cols = DUMMY_COLUMNS;
| ^~~~~~~~~~~~~
>> drivers/video/console/dummycon.c:27:25: error: 'CONFIG_DUMMY_CONSOLE_ROWS' undeclared (first use in this function); did you mean 'CONFIG_DUMMY_CONSOLE'?
27 | #define DUMMY_ROWS CONFIG_DUMMY_CONSOLE_ROWS
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/console/dummycon.c:105:23: note: in expansion of macro 'DUMMY_ROWS'
105 | vc->vc_rows = DUMMY_ROWS;
| ^~~~~~~~~~

vim +26 drivers/video/console/dummycon.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 16
^1da177e4c3f41 Linus Torvalds 2005-04-16 17 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 18 * Dummy console driver
^1da177e4c3f41 Linus Torvalds 2005-04-16 19 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
4293b09251490f Arnd Bergmann 2023-10-09 21 #if defined(CONFIG_ARCH_FOOTBRIDGE) && defined(CONFIG_VGA_CONSOLE)
3ea33510001478 H. Peter Anvin 2007-10-16 22 #define DUMMY_COLUMNS screen_info.orig_video_cols
3ea33510001478 H. Peter Anvin 2007-10-16 23 #define DUMMY_ROWS screen_info.orig_video_lines
8f5b1e6511b83a Geert Uytterhoeven 2015-01-12 24 #else
^1da177e4c3f41 Linus Torvalds 2005-04-16 25 /* set by Kconfig. Use 80x25 for 640x480 and 160x64 for 1280x1024 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 @26 #define DUMMY_COLUMNS CONFIG_DUMMY_CONSOLE_COLUMNS
^1da177e4c3f41 Linus Torvalds 2005-04-16 @27 #define DUMMY_ROWS CONFIG_DUMMY_CONSOLE_ROWS
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 #endif
^1da177e4c3f41 Linus Torvalds 2005-04-16 29
83d83bebf40132 Hans de Goede 2018-06-28 30 #ifdef CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER
83d83bebf40132 Hans de Goede 2018-06-28 31 /* These are both protected by the console_lock */
83d83bebf40132 Hans de Goede 2018-06-28 32 static RAW_NOTIFIER_HEAD(dummycon_output_nh);
83d83bebf40132 Hans de Goede 2018-06-28 33 static bool dummycon_putc_called;
83d83bebf40132 Hans de Goede 2018-06-28 34
83d83bebf40132 Hans de Goede 2018-06-28 35 void dummycon_register_output_notifier(struct notifier_block *nb)
83d83bebf40132 Hans de Goede 2018-06-28 36 {
214b0dd591abfd Daniel Vetter 2019-05-28 37 WARN_CONSOLE_UNLOCKED();
214b0dd591abfd Daniel Vetter 2019-05-28 38
83d83bebf40132 Hans de Goede 2018-06-28 39 raw_notifier_chain_register(&dummycon_output_nh, nb);
83d83bebf40132 Hans de Goede 2018-06-28 40
83d83bebf40132 Hans de Goede 2018-06-28 41 if (dummycon_putc_called)
83d83bebf40132 Hans de Goede 2018-06-28 42 nb->notifier_call(nb, 0, NULL);
83d83bebf40132 Hans de Goede 2018-06-28 43 }
83d83bebf40132 Hans de Goede 2018-06-28 44
83d83bebf40132 Hans de Goede 2018-06-28 45 void dummycon_unregister_output_notifier(struct notifier_block *nb)
83d83bebf40132 Hans de Goede 2018-06-28 46 {
214b0dd591abfd Daniel Vetter 2019-05-28 47 WARN_CONSOLE_UNLOCKED();
214b0dd591abfd Daniel Vetter 2019-05-28 48
83d83bebf40132 Hans de Goede 2018-06-28 49 raw_notifier_chain_unregister(&dummycon_output_nh, nb);
83d83bebf40132 Hans de Goede 2018-06-28 50 }
83d83bebf40132 Hans de Goede 2018-06-28 51
83d83bebf40132 Hans de Goede 2018-06-28 52 static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos)
83d83bebf40132 Hans de Goede 2018-06-28 53 {
214b0dd591abfd Daniel Vetter 2019-05-28 54 WARN_CONSOLE_UNLOCKED();
214b0dd591abfd Daniel Vetter 2019-05-28 55
83d83bebf40132 Hans de Goede 2018-06-28 56 dummycon_putc_called = true;
83d83bebf40132 Hans de Goede 2018-06-28 57 raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
83d83bebf40132 Hans de Goede 2018-06-28 58 }
83d83bebf40132 Hans de Goede 2018-06-28 59
83d83bebf40132 Hans de Goede 2018-06-28 60 static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
83d83bebf40132 Hans de Goede 2018-06-28 61 int count, int ypos, int xpos)
83d83bebf40132 Hans de Goede 2018-06-28 62 {
83d83bebf40132 Hans de Goede 2018-06-28 63 int i;
83d83bebf40132 Hans de Goede 2018-06-28 64
83d83bebf40132 Hans de Goede 2018-06-28 65 if (!dummycon_putc_called) {
83d83bebf40132 Hans de Goede 2018-06-28 66 /* Ignore erases */
83d83bebf40132 Hans de Goede 2018-06-28 67 for (i = 0 ; i < count; i++) {
83d83bebf40132 Hans de Goede 2018-06-28 68 if (s[i] != vc->vc_video_erase_char)
83d83bebf40132 Hans de Goede 2018-06-28 69 break;
83d83bebf40132 Hans de Goede 2018-06-28 70 }
83d83bebf40132 Hans de Goede 2018-06-28 71 if (i == count)
83d83bebf40132 Hans de Goede 2018-06-28 72 return;
83d83bebf40132 Hans de Goede 2018-06-28 73
83d83bebf40132 Hans de Goede 2018-06-28 74 dummycon_putc_called = true;
83d83bebf40132 Hans de Goede 2018-06-28 75 }
83d83bebf40132 Hans de Goede 2018-06-28 76
83d83bebf40132 Hans de Goede 2018-06-28 77 raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
83d83bebf40132 Hans de Goede 2018-06-28 78 }
83d83bebf40132 Hans de Goede 2018-06-28 79
83d83bebf40132 Hans de Goede 2018-06-28 80 static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
83d83bebf40132 Hans de Goede 2018-06-28 81 {
83d83bebf40132 Hans de Goede 2018-06-28 82 /* Redraw, so that we get putc(s) for output done while blanked */
83d83bebf40132 Hans de Goede 2018-06-28 83 return 1;
83d83bebf40132 Hans de Goede 2018-06-28 84 }
83d83bebf40132 Hans de Goede 2018-06-28 85 #else
83d83bebf40132 Hans de Goede 2018-06-28 86 static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
83d83bebf40132 Hans de Goede 2018-06-28 87 static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
83d83bebf40132 Hans de Goede 2018-06-28 88 int count, int ypos, int xpos) { }
83d83bebf40132 Hans de Goede 2018-06-28 89 static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
83d83bebf40132 Hans de Goede 2018-06-28 90 {
83d83bebf40132 Hans de Goede 2018-06-28 91 return 0;
83d83bebf40132 Hans de Goede 2018-06-28 92 }
83d83bebf40132 Hans de Goede 2018-06-28 93 #endif
83d83bebf40132 Hans de Goede 2018-06-28 94
^1da177e4c3f41 Linus Torvalds 2005-04-16 95 static const char *dummycon_startup(void)
^1da177e4c3f41 Linus Torvalds 2005-04-16 96 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 97 return "dummy device";
^1da177e4c3f41 Linus Torvalds 2005-04-16 98 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 99
^1da177e4c3f41 Linus Torvalds 2005-04-16 100 static void dummycon_init(struct vc_data *vc, int init)
^1da177e4c3f41 Linus Torvalds 2005-04-16 101 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 102 vc->vc_can_do_color = 1;
^1da177e4c3f41 Linus Torvalds 2005-04-16 103 if (init) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 @104 vc->vc_cols = DUMMY_COLUMNS;
^1da177e4c3f41 Linus Torvalds 2005-04-16 105 vc->vc_rows = DUMMY_ROWS;
^1da177e4c3f41 Linus Torvalds 2005-04-16 106 } else
^1da177e4c3f41 Linus Torvalds 2005-04-16 107 vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS);
^1da177e4c3f41 Linus Torvalds 2005-04-16 108 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 109

:::::: The code at line 26 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

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Next message: Willem de Bruijn: "Re: [PATCH] selftests: Makefile: add missing 'net/lib' to targets"
Previous message: Dirk Behme: "Re: [PATCH v7] rust: support for shadow call stack sanitizer"
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