On Wed, May 9, 2018 at 12:18 AM, Rafael J. Wysocki <r...@rjwysocki.net> wrote:
> From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
>
> Commit 0847684cfc5f0 (PCI / PM: Simplify device wakeup settings code)
> went too far and dropped the device_may_wakeup() check from
> pci_enable_wake() which causes wakeup to be enabled during system
> suspend, hibernation or shutdown for some PCI devices that are not
> allowed by user space to wake up the system from sleep (or power off).
>
> As a result of this excessive power is drawn by some of the affected
> systems while in sleep states or off.
>
> Restore the device_may_wakeup() check in pci_enable_wake(), but make
> sure that the PCI bus type's runtime suspend callback will not call
> device_may_wakeup() which is about system wakeup from sleep and not
> about device wakeup from runtime suspend.
>
> Fixes: 0847684cfc5f0 (PCI / PM: Simplify device wakeup settings code)
> Reported-by: Joseph Salisbury <joseph.salisb...@canonical.com>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>

Bjorn, any concerns here?

> ---
>  drivers/pci/pci.c |   29 +++++++++++++++++++++++------
>  1 file changed, 23 insertions(+), 6 deletions(-)
>
> Index: linux-pm/drivers/pci/pci.c
> ===================================================================
> --- linux-pm.orig/drivers/pci/pci.c
> +++ linux-pm/drivers/pci/pci.c
> @@ -1910,7 +1910,7 @@ void pci_pme_active(struct pci_dev *dev,
>  EXPORT_SYMBOL(pci_pme_active);
>
>  /**
> - * pci_enable_wake - enable PCI device as wakeup event source
> + * __pci_enable_wake - enable PCI device as wakeup event source
>   * @dev: PCI device affected
>   * @state: PCI state from which device will issue wakeup events
>   * @enable: True to enable event generation; false to disable
> @@ -1928,7 +1928,7 @@ EXPORT_SYMBOL(pci_pme_active);
>   * Error code depending on the platform is returned if both the platform and
>   * the native mechanism fail to enable the generation of wake-up events
>   */
> -int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable)
> +static int __pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool 
> enable)
>  {
>         int ret = 0;
>
> @@ -1969,6 +1969,23 @@ int pci_enable_wake(struct pci_dev *dev,
>
>         return ret;
>  }
> +
> +/**
> + * pci_enable_wake - change wakeup settings for a PCI device
> + * @pci_dev: Target device
> + * @state: PCI state from which device will issue wakeup events
> + * @enable: Whether or not to enable event generation
> + *
> + * If @enable is set, check device_may_wakeup() for the device before calling
> + * __pci_enable_wake() for it.
> + */
> +int pci_enable_wake(struct pci_dev *pci_dev, pci_power_t state, bool enable)
> +{
> +       if (enable && !device_may_wakeup(&pci_dev->dev))
> +               return -EINVAL;
> +
> +       return __pci_enable_wake(pci_dev, state, enable);
> +}
>  EXPORT_SYMBOL(pci_enable_wake);
>
>  /**
> @@ -1981,9 +1998,9 @@ EXPORT_SYMBOL(pci_enable_wake);
>   * should not be called twice in a row to enable wake-up due to PCI PM vs 
> ACPI
>   * ordering constraints.
>   *
> - * This function only returns error code if the device is not capable of
> - * generating PME# from both D3_hot and D3_cold, and the platform is unable 
> to
> - * enable wake-up power for it.
> + * This function only returns error code if the device is not allowed to wake
> + * up the system from sleep or it is not capable of generating PME# from both
> + * D3_hot and D3_cold and the platform is unable to enable wake-up power for 
> it.
>   */
>  int pci_wake_from_d3(struct pci_dev *dev, bool enable)
>  {
> @@ -2114,7 +2131,7 @@ int pci_finish_runtime_suspend(struct pc
>
>         dev->runtime_d3cold = target_state == PCI_D3cold;
>
> -       pci_enable_wake(dev, target_state, pci_dev_run_wake(dev));
> +       __pci_enable_wake(dev, target_state, pci_dev_run_wake(dev));
>
>         error = pci_set_power_state(dev, target_state);
>
>
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https://bugs.launchpad.net/bugs/1745646

Title:
  Battery drains when laptop is off  (shutdown)

Status in Linux:
  Unknown
Status in acpi package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  In Progress
Status in acpi source package in Artful:
  New
Status in linux source package in Artful:
  In Progress
Status in acpi source package in Bionic:
  Confirmed
Status in linux source package in Bionic:
  In Progress
Status in acpi source package in Cosmic:
  Confirmed
Status in linux source package in Cosmic:
  In Progress

Bug description:
  I am using hp AY008tx laptop , and many other laptop users (HP) are also 
facing the same issue . The problem don't occur when i install windows 10 . 
Now, only ubuntu is installed.
  i am using latest bios insyde20 rev 5.(latest)
  WOL disabled and no usb device connected
  checked my battery .
  it don't happen when i remove battery and plug it again after shutdown.
  tried laptop_mode_tools and tpl too

  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.13.0-31-generic 4.13.0-31.34~16.04.1
  ProcVersionSignature: Ubuntu 4.13.0-31.34~16.04.1-generic 4.13.13
  Uname: Linux 4.13.0-31-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Jan 26 22:50:53 2018
  InstallationDate: Installed on 2018-01-25 (1 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  SourcePackage: linux-hwe
  UpgradeStatus: No upgrade log present (probably fresh install)
  ---
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gopal      2391 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=0bf03973-049c-480e-9e14-7596bf68d994
  InstallationDate: Installed on 2018-01-25 (1 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04f2:b56c Chicony Electronics Co., Ltd
   Bus 001 Device 002: ID 0a5c:216d Broadcom Corp.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: HP HP Notebook
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_IN:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_IN
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-31-generic.efi.signed 
root=UUID=3a4ef59e-130a-4ce0-92d3-2fc42f5c9f59 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.13.0-31.34~16.04.1-generic 4.13.13
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-31-generic N/A
   linux-backports-modules-4.13.0-31-generic  N/A
   linux-firmware                             1.157.15
  Tags:  xenial
  Uname: Linux 4.13.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 11/01/2017
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.40
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 81EC
  dmi.board.vendor: HP
  dmi.board.version: 61.58
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnInsyde:bvrF.40:bd11/01/2017:svnHP:pnHPNotebook:pvrType1ProductConfigId:rvnHP:rn81EC:rvr61.58:cvnHP:ct10:cvrChassisVersion:
  dmi.product.family: 103C_5335KV HP Notebook
  dmi.product.name: HP Notebook
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP

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