[SRU] [B/C/D/OEM-B] [PATCH 0/3] Fix for Realtek card reader does not enter PCIe 1.1/1.2

Kai-Heng Feng kai.heng.feng at canonical.com
Fri Apr 19 09:10:38 UTC 2019


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

[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.

RickyWu (2):
  misc: rtsx: Enable OCP for rts522a rts524a rts525a rts5260
  UBUNTU: SAUCE: misc: rtsx: Fixed rts5260 power saving parameter and sd
    glitch

 drivers/misc/cardreader/rts5227.c  |  64 +++++++++++--
 drivers/misc/cardreader/rts5249.c  |  32 +++++--
 drivers/misc/cardreader/rts5260.c  | 141 +++++++++++------------------
 drivers/misc/cardreader/rtsx_pcr.c |  40 ++++++--
 drivers/misc/cardreader/rtsx_pcr.h |   5 +
 5 files changed, 168 insertions(+), 114 deletions(-)

-- 
2.17.1




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