[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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