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charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi =C5=A0erif, First bad commit (maybe !=3D root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: 37a93dd5c49b5fda807fd204edf2547c3493319c commit: 0ec417aa85467c6fad0563621b74868be0faf00d ALSA: usb-audio: Add infra= structure for TASCAM US-144MKII date: 6 months ago config: loongarch-randconfig-r133-20260212 (https://download.01.org/0day-ci= /archive/20260212/202602121917.O39hNVas-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 12.5.0 reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260212/202602121917.O39hNVas-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202602121917.O39hNVas-lkp@i= ntel.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/kfifo.h:40, from sound/usb/usx2y/us144mkii.h:7, from sound/usb/usx2y/us144mkii.c:7: 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 w= hen a recent assembler is used | ^~~~~ >> sound/usb/usx2y/us144mkii.c:27:12: warning: 'index' defined but not used= [-Wunused-variable] 27 | static int index[SNDRV_CARDS] =3D SNDRV_DEFAULT_IDX; | ^~~~~ vim +/index +27 sound/usb/usx2y/us144mkii.c dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 12 =20 dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 13 /** dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 14 * @brief Module parameters = for ALSA card instantiation. dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 15 * dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 16 * These parameters allow us= ers to configure how the ALSA sound card dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 17 * for the TASCAM US-144MKII= is instantiated. dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 18 * dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 19 * @param index: Array of in= tegers specifying the ALSA card index for each dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 20 * device. Defaults to -1 (a= utomatic). dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 21 * @param id: Array of strin= gs specifying the ALSA card ID for each device. dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 22 * Defaults to "U= S144MKII". dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 23 * @param enable: Array of b= ooleans to enable or disable each device. dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 24 * Defaults t= o {1, 0, ..., 0} (first device enabled). 5c8c10796e274d =C5=A0erif Rami 2025-08-14 25 * @param dev_idx: Internal = counter for the number of TASCAM devices probed. dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 26 */ dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 @27 static int index[SNDRV_CARDS= ] =3D SNDRV_DEFAULT_IDX; dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 28 static char *id[SNDRV_CARDS]= =3D SNDRV_DEFAULT_STR; dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 29 static bool enable[SNDRV_CAR= DS] =3D { 1, [1 ...(SNDRV_CARDS - 1)] =3D 0 }; dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 30 static int dev_idx; dee1bcf28a3dd1 =C5=A0erif Rami 2025-08-14 31 =20 :::::: The code at line 27 was first introduced by commit :::::: dee1bcf28a3dd13ddb2e9200407864f73e9c4d63 ALSA: usb-audio: Add initia= l driver for TASCAM US-144MKII :::::: TO: =C5=A0erif Rami :::::: CC: Takashi Iwai --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki