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Message-ID: <202512190303.B3AB6DY4-lkp@intel.com>
Date: Fri, 19 Dec 2025 03:31:20 +0800
From: kernel test robot <lkp@...el.com>
To: Takashi Iwai <tiwai@...e.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: sound/hda/controllers/intel.c:104:12: warning: 'index' defined but
not used
Hi Takashi,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ea1013c1539270e372fc99854bc6e4d94eaeff66
commit: 2d9223d2d64cb5216859ced6cc33fb3b04e5f98f ALSA: hda: Move controller drivers into sound/hda/controllers directory
date: 5 months ago
config: loongarch-randconfig-r064-20251218 (https://download.01.org/0day-ci/archive/20251219/202512190303.B3AB6DY4-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251219/202512190303.B3AB6DY4-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512190303.B3AB6DY4-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/irqflags.h:19,
from include/linux/spinlock.h:59,
from include/linux/sched.h:2209,
from include/linux/delay.h:13,
from sound/hda/controllers/intel.c:23:
arch/loongarch/include/asm/percpu.h:20:4: error: #error compiler support for the model attribute is necessary when a recent assembler is used
20 | # error compiler support for the model attribute is necessary when a recent assembler is used
| ^~~~~
In file included from include/asm-generic/div64.h:27,
from ./arch/loongarch/include/generated/asm/div64.h:1,
from include/linux/math.h:6,
from include/linux/delay.h:12:
include/linux/compiler.h:197:82: error: expression in static assertion is not an integer
197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:202:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^~~~~~~~~~~~~~~
include/linux/moduleparam.h:521:20: note: in expansion of macro 'ARRAY_SIZE'
521 | = { .max = ARRAY_SIZE(array), .num = nump, \
| ^~~~~~~~~~
include/linux/moduleparam.h:505:9: note: in expansion of macro 'module_param_array_named'
505 | module_param_array_named(name, name, type, nump, perm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/intel.c:125:1: note: in expansion of macro 'module_param_array'
125 | module_param_array(index, int, NULL, 0444);
| ^~~~~~~~~~~~~~~~~~
>> sound/hda/controllers/intel.c:104:12: warning: 'index' defined but not used [-Wunused-variable]
104 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
| ^~~~~
vim +/index +104 sound/hda/controllers/intel.c
33124929a23c5b5 sound/pci/hda/hda_intel.c Takashi Iwai 2014-06-26 102
^1da177e4c3f415 sound/pci/hda/hda_intel.c Linus Torvalds 2005-04-16 103
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 @104 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 105 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
a67ff6a54095e27 sound/pci/hda/hda_intel.c Rusty Russell 2011-12-15 106 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 107 static char *model[SNDRV_CARDS];
1dac6695c683c66 sound/pci/hda/hda_intel.c Takashi Iwai 2012-09-13 108 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
5c0d7bc103dd1ae sound/pci/hda/hda_intel.c Takashi Iwai 2008-06-10 109 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 110 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
d4d9cd0338892e7 sound/pci/hda/hda_intel.c Takashi Iwai 2008-12-19 111 static int probe_only[SNDRV_CARDS];
26a6cb6cca225f6 sound/pci/hda/hda_intel.c David Henningsson 2012-10-09 112 static int jackpoll_ms[SNDRV_CARDS];
41438f1314b0f6f sound/pci/hda/hda_intel.c Takashi Iwai 2017-01-12 113 static int single_cmd = -1;
71623855e20c3fe sound/pci/hda/hda_intel.c Takashi Iwai 2009-09-28 114 static int enable_msi = -1;
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 115 #ifdef CONFIG_SND_HDA_PATCH_LOADER
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 116 static char *patch[SNDRV_CARDS];
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 117 #endif
2dca0bba70ce3c2 sound/pci/hda/hda_intel.c Jaroslav Kysela 2009-11-13 118 #ifdef CONFIG_SND_HDA_INPUT_BEEP
0920c9b4c4d8960 sound/pci/hda/hda_intel.c Takashi Iwai 2012-07-03 119 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
2dca0bba70ce3c2 sound/pci/hda/hda_intel.c Jaroslav Kysela 2009-11-13 120 CONFIG_SND_HDA_INPUT_BEEP_MODE};
2dca0bba70ce3c2 sound/pci/hda/hda_intel.c Jaroslav Kysela 2009-11-13 121 #endif
7fba6aea4472f01 sound/pci/hda/hda_intel.c Takashi Iwai 2020-01-09 122 static bool dmic_detect = 1;
d045bceff5a904b sound/pci/hda/hda_intel.c Jaroslav Kysela 2023-02-02 123 static bool ctl_dev_id = IS_ENABLED(CONFIG_SND_HDA_CTL_DEV_ID) ? 1 : 0;
^1da177e4c3f415 sound/pci/hda/hda_intel.c Linus Torvalds 2005-04-16 124
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 @125 module_param_array(index, int, NULL, 0444);
^1da177e4c3f415 sound/pci/hda/hda_intel.c Linus Torvalds 2005-04-16 126 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 127 module_param_array(id, charp, NULL, 0444);
^1da177e4c3f415 sound/pci/hda/hda_intel.c Linus Torvalds 2005-04-16 128 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 129 module_param_array(enable, bool, NULL, 0444);
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 130 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 131 module_param_array(model, charp, NULL, 0444);
^1da177e4c3f415 sound/pci/hda/hda_intel.c Linus Torvalds 2005-04-16 132 MODULE_PARM_DESC(model, "Use the given board model.");
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 133 module_param_array(position_fix, int, NULL, 0444);
4cb36310848fd17 sound/pci/hda/hda_intel.c David Henningsson 2010-09-30 134 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
c02f77d32d2c45c sound/pci/hda/hda_intel.c Takashi Iwai 2019-08-06 135 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+, 6 = FIFO).");
555e219ffaeecbd sound/pci/hda/hda_intel.c Takashi Iwai 2008-06-10 136 module_param_array(bdl_pos_adj, int, NULL, 0644);
555e219ffaeecbd sound/pci/hda/hda_intel.c Takashi Iwai 2008-06-10 137 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
5aba4f8ec72b2b8 sound/pci/hda/hda_intel.c Takashi Iwai 2008-01-07 138 module_param_array(probe_mask, int, NULL, 0444);
606ad75fb5372c0 sound/pci/hda/hda_intel.c Takashi Iwai 2005-11-24 139 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
079e683ebd88265 sound/pci/hda/hda_intel.c Jaroslav Kysela 2010-03-26 140 module_param_array(probe_only, int, NULL, 0444);
d4d9cd0338892e7 sound/pci/hda/hda_intel.c Takashi Iwai 2008-12-19 141 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
26a6cb6cca225f6 sound/pci/hda/hda_intel.c David Henningsson 2012-10-09 142 module_param_array(jackpoll_ms, int, NULL, 0444);
26a6cb6cca225f6 sound/pci/hda/hda_intel.c David Henningsson 2012-10-09 143 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
41438f1314b0f6f sound/pci/hda/hda_intel.c Takashi Iwai 2017-01-12 144 module_param(single_cmd, bint, 0444);
d01ce99fc53271c sound/pci/hda/hda_intel.c Takashi Iwai 2007-07-27 145 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
d01ce99fc53271c sound/pci/hda/hda_intel.c Takashi Iwai 2007-07-27 146 "(for debugging only).");
ac9ef6cf9196107 sound/pci/hda/hda_intel.c Takashi Iwai 2012-01-20 147 module_param(enable_msi, bint, 0444);
134a11f0c37c043 sound/pci/hda/hda_intel.c Takashi Iwai 2006-11-10 148 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 149 #ifdef CONFIG_SND_HDA_PATCH_LOADER
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 150 module_param_array(patch, charp, NULL, 0444);
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 151 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
4ea6fbc8eb23c3a sound/pci/hda/hda_intel.c Takashi Iwai 2009-06-17 152 #endif
2dca0bba70ce3c2 sound/pci/hda/hda_intel.c Jaroslav Kysela 2009-11-13 153 #ifdef CONFIG_SND_HDA_INPUT_BEEP
0920c9b4c4d8960 sound/pci/hda/hda_intel.c Takashi Iwai 2012-07-03 154 module_param_array(beep_mode, bool, NULL, 0444);
2dca0bba70ce3c2 sound/pci/hda/hda_intel.c Jaroslav Kysela 2009-11-13 155 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
0920c9b4c4d8960 sound/pci/hda/hda_intel.c Takashi Iwai 2012-07-03 156 "(0=off, 1=on) (default=1).");
2dca0bba70ce3c2 sound/pci/hda/hda_intel.c Jaroslav Kysela 2009-11-13 157 #endif
7fba6aea4472f01 sound/pci/hda/hda_intel.c Takashi Iwai 2020-01-09 158 module_param(dmic_detect, bool, 0444);
7fba6aea4472f01 sound/pci/hda/hda_intel.c Takashi Iwai 2020-01-09 159 MODULE_PARM_DESC(dmic_detect, "Allow DSP driver selection (bypass this driver) "
7fba6aea4472f01 sound/pci/hda/hda_intel.c Takashi Iwai 2020-01-09 160 "(0=off, 1=on) (default=1); "
7fba6aea4472f01 sound/pci/hda/hda_intel.c Takashi Iwai 2020-01-09 161 "deprecated, use snd-intel-dspcfg.dsp_driver option instead");
d045bceff5a904b sound/pci/hda/hda_intel.c Jaroslav Kysela 2023-02-02 162 module_param(ctl_dev_id, bool, 0444);
d045bceff5a904b sound/pci/hda/hda_intel.c Jaroslav Kysela 2023-02-02 163 MODULE_PARM_DESC(ctl_dev_id, "Use control device identifier (based on codec address).");
606ad75fb5372c0 sound/pci/hda/hda_intel.c Takashi Iwai 2005-11-24 164
:::::: The code at line 104 was first introduced by commit
:::::: 5aba4f8ec72b2b880c694b5ce58e67be508f7b7a [ALSA] hda-intel - Support multiple devices
:::::: TO: Takashi Iwai <tiwai@...e.de>
:::::: CC: Jaroslav Kysela <perex@...ex.cz>
--
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https://github.com/intel/lkp-tests/wiki
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