This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag 'verification-needed-cosmic' to 'verification-failed-
cosmic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-cosmic

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https://bugs.launchpad.net/bugs/1825487

Title:
  The Realtek card reader does not enter PCIe 1.1/1.2

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Incomplete
Status in linux-oem package in Ubuntu:
  New
Status in linux source package in Bionic:
  Fix Committed
Status in linux-oem source package in Bionic:
  New
Status in linux source package in Cosmic:
  Fix Committed
Status in linux-oem source package in Cosmic:
  Invalid
Status in linux source package in Disco:
  Fix Committed
Status in linux-oem source package in Disco:
  Invalid

Bug description:
  [Impact]
  The Realtek card reader does not enter PCIe 1.1/1.2.
  This keeps Intel SoC staying at PC3, which consumes lots of power.

  [Fix]
  Set correct ASPM parameter on rtsx_pci.

  [Test]
  With the patch applied, Intel SoC can enter PC10, which saves lots of power.

  [Regression Potential]
  Low. The card reader in question still works as before.

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