]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
USB: quirks: add NO_LPM for the Samsung T5 EVO Portable SSD
authorErich E. Hoover <erich.e.hoover@gmail.com>
Tue, 2 Jun 2026 20:45:08 +0000 (14:45 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Jun 2026 14:10:42 +0000 (15:10 +0100)
commitfc591787785b9709a0bb65a7df3ba2537d611c47
treeb491d6ead1fdcb0180f645169d1c6c3547f5f8fa
parent6eba58568f6cc3ff8515a00b05e258d8cfb72b72
USB: quirks: add NO_LPM for the Samsung T5 EVO Portable SSD

The Samsung T5 EVO Portable SSD (04e8:6200) exhibit two forms of
link instability when USB Link Power Management is enabled:

  1. The units fail to initialize properly on first detection,
  resulting in a lockup in the drive where it must be power cycled
  or the kernel will not recognize the presence of the device.

  2. If used for sustained operations (small amounts of continuous
  data are transferred to the unit) then the unit will "hiccup"
  after roughly 8 hours of use and will disconnect and reconnect.
  This has a certain probability of triggering the first issue,
  but also causes mount points to become invalid since the device
  gets issued a new letter.

Signed-off-by: Erich E. Hoover <erich.e.hoover@gmail.com>
Cc: stable <stable@kernel.org>
Link: https://patch.msgid.link/20260602204508.48856-1-erich.e.hoover@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/quirks.c