linux-kernel - [PATCH 0/4] drm/udl: Fix stray URBs and cleanup

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Date:   Thu,  4 Aug 2022 09:58:22 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     dri-devel@...ts.freedesktop.org
Cc:     Dave Airlie <airlied@...hat.com>, Sean Paul <sean@...rly.run>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] drm/udl: Fix stray URBs and cleanup

Hi,

this is a series of fixes for UDL driver to address the leftover URBs
at suspend/resume.  It begins with the simplification of FIFO control
code with the standard wait queue, followed by the handling of pending
URBs, and replace BUG_ON() with WARN_ON() as a cleanup.


Takashi

===

Takashi Iwai (4):
  drm/udl: Replace semaphore with a simple wait queue
  drm/udl: Sync pending URBs at suspend / disconnect
  drm/udl: Kill pending URBs at suspend and disconnect
  drm/udl: Replace BUG_ON() with WARN_ON()

 drivers/gpu/drm/udl/udl_drv.h      |  14 +++-
 drivers/gpu/drm/udl/udl_main.c     | 125 ++++++++++++++---------------
 drivers/gpu/drm/udl/udl_modeset.c  |   4 +
 drivers/gpu/drm/udl/udl_transfer.c |   3 +-
 4 files changed, 79 insertions(+), 67 deletions(-)

-- 
2.35.3