From: kernel test robot <lkp@intel.com>
To: Joakim Zhang <joakim.zhang@cixtech.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Takashi Iwai <tiwai@suse.de>
Subject: sound/hda/controllers/cix-ipbloq.c:223:50: sparse: sparse: cast truncates bits from constant value (ffffffff70000000 becomes 70000000)
Date: Thu, 06 Aug 2026 15:51:15 +0800 [thread overview]
Message-ID: <202608061559.Kxqvi5LZ-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0d839570765118029aa8bf4a95444c6a11aacf85
commit: d91e9bd10125a9b0427420453b11f56228a6d6d0 ALSA: hda: add CIX IPBLOQ HDA controller support
date: 8 months ago
config: openrisc-randconfig-r112-20260806 (https://download.01.org/0day-ci/archive/20260806/202608061559.Kxqvi5LZ-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 10.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260806/202608061559.Kxqvi5LZ-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
| Fixes: d91e9bd10125 ("ALSA: hda: add CIX IPBLOQ HDA controller support")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608061559.Kxqvi5LZ-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> sound/hda/controllers/cix-ipbloq.c:223:50: sparse: sparse: cast truncates bits from constant value (ffffffff70000000 becomes 70000000)
vim +223 sound/hda/controllers/cix-ipbloq.c
179
180 static int cix_ipbloq_hda_create(struct cix_ipbloq_hda *hda,
181 struct snd_card *card,
182 unsigned int driver_caps)
183 {
184 static const struct snd_device_ops ops = {
185 .dev_disconnect = cix_ipbloq_hda_dev_disconnect,
186 .dev_free = cix_ipbloq_hda_dev_free,
187 };
188 struct azx *chip;
189 int err;
190
191 chip = &hda->chip;
192 chip->card = card;
193 chip->ops = &cix_ipbloq_hda_ops;
194 chip->driver_caps = driver_caps;
195 chip->driver_type = driver_caps & 0xff;
196 chip->dev_index = 0;
197 chip->single_cmd = 0;
198 chip->codec_probe_mask = -1;
199 chip->align_buffer_size = 1;
200 chip->jackpoll_interval = msecs_to_jiffies(CIX_IPBLOQ_JACKPOLL_DEFAULT_TIME_MS);
201 mutex_init(&chip->open_mutex);
202 INIT_LIST_HEAD(&chip->pcm_list);
203
204 /*
205 * HD-audio controllers appear pretty inaccurate about the update-IRQ timing.
206 * The IRQ is issued before actually the data is processed. So use stream
207 * link position by default instead of dma position buffer.
208 */
209 chip->get_position[0] = chip->get_position[1] = azx_get_pos_lpib;
210
211 err = azx_bus_init(chip, NULL);
212 if (err < 0) {
213 dev_err(hda->dev, "failed to init bus, err = %d\n", err);
214 return err;
215 }
216
217 /* RIRBSTS.RINTFL cannot be cleared, cause interrupt storm */
218 chip->bus.core.polling_mode = 1;
219 chip->bus.core.not_use_interrupts = 1;
220
221 chip->bus.core.aligned_mmio = 1;
222 chip->bus.core.dma_stop_delay = 100;
> 223 chip->bus.core.addr_offset = (dma_addr_t)CIX_IPBLOQ_SKY1_ADDR_HOST_TO_HDAC_OFFSET;
224
225 chip->bus.jackpoll_in_suspend = 1;
226
227 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
228 if (err < 0) {
229 dev_err(card->dev, "failed to create device, err = %d\n", err);
230 return err;
231 }
232
233 return 0;
234 }
235
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-08-06 7:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-06 7:51 kernel test robot [this message]
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2026-07-02 6:59 kernel test robot
2026-03-16 11:09 kernel test robot
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