[PATCH v2 0/6] ALSA: Prep work for PCI rescan support

[Takashi Iwai]

On Sun, 23 May 2021 11:09:14 +0200,
Takashi Iwai wrote:
> 
> Hi,
> 
> this is a revised patch set as a prep work for the future-planned PCI
> rescan support(*).  The essential part is the patch to track in-flight
> tasks, and the rest are cleanups and fixes in the core code.  With
> those changes, the driver can perform a sort of software suspend on
> the device without the hardware intervention, which is required during
> the PCI BAR movement, for example.
> 
> v1->v2:
> * Move / drop unnecessary snd_power_wait() calls
> * Rephrase changelogs and comments, reorder patches
> 
> 
> Takashi
> 
> (*) https://lore.kernel.org/alsa-devel/e25017c6-e5e4-7a24-e793-14a2e70a434e@amd.com/
> 
> ===
> 
> Takashi Iwai (6):
>   ALSA: core: Use READ_ONCE() / WRITE_ONCE() for power state change
>   ALSA: control: Track in-flight control read/write/tlv accesses
>   ALSA: control: Drop superfluous snd_power_wait() calls
>   ALSA: control: Minor optimization for SNDRV_CTL_IOCTL_POWER_STATE
>   ALSA: Drop superfluous argument from snd_power_wait()
>   ALSA: pcm: Block the release until the system resume finishes

Now all patches merged to topic/pci-rescan-v2 branch, and into
for-next branch.  The former is a branch freshly based on 5.13-rc1, so
that other trees may pull cleanly.


Takashi