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* [chrome-os:chromeos-4.4 7/7] sound/pci/hda/hda_intel.c:898 azx_suspend() warn: bitwise AND condition is false here
@ 2020-07-16 10:49 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-07-16 10:49 UTC (permalink / raw)
  To: kbuild

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CC: kbuild-all(a)lists.01.org
TO: cros-kernel-buildreports(a)googlegroups.com
TO: Guenter Roeck <groeck@google.com>

tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.4
head:   7ed4548c895b66a65dd7ea4e6ab155ac9802f257
commit: 7ed4548c895b66a65dd7ea4e6ab155ac9802f257 [7/7] UPSTREAM: ALSA: hda - Don't try to bind i915 unless CONFIG_SND_HDA_I915 is set
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago
config: i386-randconfig-m021-20200716 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
sound/pci/hda/hda_intel.c:898 azx_suspend() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:921 azx_resume() warn: bitwise AND condition is false here

Old smatch warnings:
sound/pci/hda/hda_intel.c:551 hda_intel_init_chip() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:564 hda_intel_init_chip() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:992 azx_runtime_suspend() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:1020 azx_runtime_resume() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:1252 azx_free() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:1751 azx_first_init() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:2060 azx_probe_continue() warn: bitwise AND condition is false here
sound/pci/hda/hda_intel.c:2145 azx_probe_continue() warn: bitwise AND condition is false here

git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
git remote update chrome-os
git checkout 7ed4548c895b66a65dd7ea4e6ab155ac9802f257
vim +898 sound/pci/hda/hda_intel.c

5c0b9bec460c34 Takashi Iwai   2008-12-11  866  
7ccbde57ce312f Takashi Iwai   2012-08-14  867  #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
5c0b9bec460c34 Takashi Iwai   2008-12-11  868  /*
5c0b9bec460c34 Takashi Iwai   2008-12-11  869   * power management
5c0b9bec460c34 Takashi Iwai   2008-12-11  870   */
68cb2b55927885 Takashi Iwai   2012-07-02  871  static int azx_suspend(struct device *dev)
^1da177e4c3f41 Linus Torvalds 2005-04-16  872  {
68cb2b55927885 Takashi Iwai   2012-07-02  873  	struct snd_card *card = dev_get_drvdata(dev);
2d9772ef653ccf Takashi Iwai   2014-07-16  874  	struct azx *chip;
2d9772ef653ccf Takashi Iwai   2014-07-16  875  	struct hda_intel *hda;
a41d122449bea3 Takashi Iwai   2015-04-14  876  	struct hdac_bus *bus;
^1da177e4c3f41 Linus Torvalds 2005-04-16  877  
2d9772ef653ccf Takashi Iwai   2014-07-16  878  	if (!card)
2d9772ef653ccf Takashi Iwai   2014-07-16  879  		return 0;
2d9772ef653ccf Takashi Iwai   2014-07-16  880  
2d9772ef653ccf Takashi Iwai   2014-07-16  881  	chip = card->private_data;
2d9772ef653ccf Takashi Iwai   2014-07-16  882  	hda = container_of(chip, struct hda_intel, chip);
342e84490574cb U. Artie Eoff  2015-07-28  883  	if (chip->disabled || hda->init_failed || !chip->running)
c5c215232dfb71 Takashi Iwai   2012-12-04  884  		return 0;
c5c215232dfb71 Takashi Iwai   2012-12-04  885  
a41d122449bea3 Takashi Iwai   2015-04-14  886  	bus = azx_bus(chip);
421a12520d4ed4 Takashi Iwai   2005-11-17  887  	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
9ad593f6d326e7 Takashi Iwai   2008-05-16  888  	azx_clear_irq_pending(chip);
cb53c626e1145e Takashi Iwai   2007-08-10  889  	azx_stop_chip(chip);
7295b26438ec01 Mengdong Lin   2013-06-25  890  	azx_enter_link_reset(chip);
a41d122449bea3 Takashi Iwai   2015-04-14  891  	if (bus->irq >= 0) {
a41d122449bea3 Takashi Iwai   2015-04-14  892  		free_irq(bus->irq, chip);
a41d122449bea3 Takashi Iwai   2015-04-14  893  		bus->irq = -1;
30b35399ceb239 Takashi Iwai   2006-10-11  894  	}
a07187c992be94 Mengdong Lin   2014-06-26  895  
68e7fffc0f3e95 Takashi Iwai   2006-10-23  896  	if (chip->msi)
43001c9515cf87 Takashi Iwai   2006-09-08  897  		pci_disable_msi(chip->pci);
795614dde4d355 Mengdong Lin   2015-04-29 @898  	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
795614dde4d355 Mengdong Lin   2015-04-29  899  		&& hda->need_i915_power)
98d8fc6c5d3652 Mengdong Lin   2015-05-19  900  		snd_hdac_display_power(bus, false);
785d8c4be82b45 Libin Yang     2015-05-12  901  
785d8c4be82b45 Libin Yang     2015-05-12  902  	trace_azx_suspend(chip);
^1da177e4c3f41 Linus Torvalds 2005-04-16  903  	return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16  904  }
^1da177e4c3f41 Linus Torvalds 2005-04-16  905  
68cb2b55927885 Takashi Iwai   2012-07-02  906  static int azx_resume(struct device *dev)
^1da177e4c3f41 Linus Torvalds 2005-04-16  907  {
68cb2b55927885 Takashi Iwai   2012-07-02  908  	struct pci_dev *pci = to_pci_dev(dev);
68cb2b55927885 Takashi Iwai   2012-07-02  909  	struct snd_card *card = dev_get_drvdata(dev);
2d9772ef653ccf Takashi Iwai   2014-07-16  910  	struct azx *chip;
2d9772ef653ccf Takashi Iwai   2014-07-16  911  	struct hda_intel *hda;
2d9772ef653ccf Takashi Iwai   2014-07-16  912  
2d9772ef653ccf Takashi Iwai   2014-07-16  913  	if (!card)
2d9772ef653ccf Takashi Iwai   2014-07-16  914  		return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16  915  
2d9772ef653ccf Takashi Iwai   2014-07-16  916  	chip = card->private_data;
2d9772ef653ccf Takashi Iwai   2014-07-16  917  	hda = container_of(chip, struct hda_intel, chip);
342e84490574cb U. Artie Eoff  2015-07-28  918  	if (chip->disabled || hda->init_failed || !chip->running)
c5c215232dfb71 Takashi Iwai   2012-12-04  919  		return 0;
c5c215232dfb71 Takashi Iwai   2012-12-04  920  
795614dde4d355 Mengdong Lin   2015-04-29 @921  	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
795614dde4d355 Mengdong Lin   2015-04-29  922  		&& hda->need_i915_power) {
98d8fc6c5d3652 Mengdong Lin   2015-05-19  923  		snd_hdac_display_power(azx_bus(chip), true);
9550b38208efb2 Takashi Iwai   2016-04-21  924  		snd_hdac_i915_set_bclk(azx_bus(chip));
a07187c992be94 Mengdong Lin   2014-06-26  925  	}
68e7fffc0f3e95 Takashi Iwai   2006-10-23  926  	if (chip->msi)
68e7fffc0f3e95 Takashi Iwai   2006-10-23  927  		if (pci_enable_msi(pci) < 0)
68e7fffc0f3e95 Takashi Iwai   2006-10-23  928  			chip->msi = 0;
68e7fffc0f3e95 Takashi Iwai   2006-10-23  929  	if (azx_acquire_irq(chip, 1) < 0)
30b35399ceb239 Takashi Iwai   2006-10-11  930  		return -EIO;
cb53c626e1145e Takashi Iwai   2007-08-10  931  	azx_init_pci(chip);
d804ad9258c146 Maxim Levitsky 2007-09-03  932  
0a67352153505f Lu, Han        2015-05-05  933  	hda_intel_init_chip(chip, true);
d804ad9258c146 Maxim Levitsky 2007-09-03  934  
421a12520d4ed4 Takashi Iwai   2005-11-17  935  	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
785d8c4be82b45 Libin Yang     2015-05-12  936  
785d8c4be82b45 Libin Yang     2015-05-12  937  	trace_azx_resume(chip);
^1da177e4c3f41 Linus Torvalds 2005-04-16  938  	return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16  939  }
b8dfc4624162c0 Mengdong Lin   2012-08-23  940  #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
b8dfc4624162c0 Mengdong Lin   2012-08-23  941  

:::::: The code@line 898 was first introduced by commit
:::::: 795614dde4d3550c3ef72469b1ba4d09d8635202 ALSA: hda - divide controller and codec dependency on i915 gfx power well

:::::: TO: Mengdong Lin <mengdong.lin@intel.com>
:::::: CC: Takashi Iwai <tiwai@suse.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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