linux-kernel - [PATCH 0/5] firewire: use sleepable workqueue to handle 1394 OHCI IT/IR context events

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Message-ID: <20240904125155.461886-1-o-takashi@sakamocchi.jp>
Date: Wed,  4 Sep 2024 21:51:49 +0900
From: Takashi Sakamoto <o-takashi@...amocchi.jp>
To: tiwai@...e.de,
	linux-kernel@...r.kernel.org
Cc: linux-sound@...r.kernel.org,
	apais@...ux.microsoft.com,
	edmund.raile@...tonmail.com,
	linux-media@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH 0/5] firewire: use sleepable workqueue to handle 1394 OHCI IT/IR context events

Hi,

This series of changes updates my previous RFT[1] to apply for v6.12
kernel. For the detail, please refer to the previous one.

To Iwai-san, this series includes the change for sound subsystem as
well. All of changes are specific to ALSA firewire stack, so I would
like to send it to Linus as the part of firewire subsystem updates if
you do not mind it.

Changes from the RFT:
* WQ_FREEZABLE is newly supported in the workqueue
* Improve code comment in IEC 61883-1/6 packet streaming engine
* Avoid dead lock in the calls of workqueue sync API

[1] https://lore.kernel.org/lkml/20240901110642.154523-1-o-takashi@sakamocchi.jp/


Regards

Takashi Sakamoto (5):
  firewire: core: allocate workqueue to handle isochronous contexts in
    card
  firewire: core: add local API to queue work item to workqueue specific
    to isochronous contexts
  firewire: ohci: operate IT/IR events in sleepable work process instead
    of tasklet softIRQ
  firewire: core: non-atomic memory allocation for isochronous event to
    user client
  ALSA: firewire: use nonatomic PCM operation

 drivers/firewire/core-card.c             | 33 ++++++++++++--
 drivers/firewire/core-cdev.c             |  4 +-
 drivers/firewire/core-iso.c              | 30 ++++++++++++-
 drivers/firewire/core.h                  | 14 +++++-
 drivers/firewire/ohci.c                  | 57 +++++++++++++++++++-----
 include/linux/firewire.h                 |  3 ++
 sound/firewire/amdtp-stream.c            | 34 +++++++++++---
 sound/firewire/bebob/bebob_pcm.c         |  1 +
 sound/firewire/dice/dice-pcm.c           |  1 +
 sound/firewire/digi00x/digi00x-pcm.c     |  1 +
 sound/firewire/fireface/ff-pcm.c         |  1 +
 sound/firewire/fireworks/fireworks_pcm.c |  1 +
 sound/firewire/isight.c                  |  1 +
 sound/firewire/motu/motu-pcm.c           |  1 +
 sound/firewire/oxfw/oxfw-pcm.c           |  1 +
 sound/firewire/tascam/tascam-pcm.c       |  1 +
 16 files changed, 157 insertions(+), 27 deletions(-)

-- 
2.43.0