tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/hda-core-intel head: 21b51c0d69680da7cdf4c83d274edef2fe4f27bc commit: 7b4986f0c30484370183d935821b826c855c28bf [1/7] ALSA: hdac: ext: add wait for codec to respond after link reset config: x86_64-randconfig-x008-201825 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: git checkout 7b4986f0c30484370183d935821b826c855c28bf # save the attached .config to linux build tree make ARCH=x86_64

Note: the sound/topic/hda-core-intel HEAD 21b51c0d69680da7cdf4c83d274edef2fe4f27bc builds fine. It only hurts bisectibility.

All errors (new ones prefixed by >>):

sound/hda/ext/hdac_ext_controller.c: In function 'snd_hdac_ext_bus_link_get':

...

sound/hda/ext/hdac_ext_controller.c:283:3: error: 'bus' undeclared (first use in this function); did you mean 'ebus'?

bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS); ^~~ ebus sound/hda/ext/hdac_ext_controller.c:283:3: note: each undeclared identifier is reported only once for each function it appears in

vim +283 sound/hda/ext/hdac_ext_controller.c

258 259 int snd_hdac_ext_bus_link_get(struct hdac_ext_bus *ebus, 260 struct hdac_ext_link *link) 261 { 262 int ret = 0; 263 264 mutex_lock(&ebus->lock); 265 266 /* 267 * if we move from 0 to 1, count will be 1 so power up this link 268 * as well, also check the dma status and trigger that 269 */ 270 if (++link->ref_count == 1) { 271 if (!ebus->cmd_dma_state) { 272 snd_hdac_bus_init_cmd_io(&ebus->bus); 273 ebus->cmd_dma_state = true; 274 } 275 276 ret = snd_hdac_ext_bus_link_power_up(link); 277 278 /* 279 * wait for 521usec for codec to report status 280 * HDA spec section 4.3 - Codec Discovery 281 */ 282 udelay(521);

283 bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS);

284 dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask); 285 snd_hdac_chip_writew(bus, STATESTS, bus->codec_mask); 286 } 287 288 mutex_unlock(&ebus->lock); 289 return ret; 290 } 291 EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_get); 292

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