ACK: [SRU] [J/OEM-5.14] [PATCH 0/9] Add proper runtime PM support to Realtek PCIe cardreader

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 3/3/22 23:55, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1963615
> 
> [Impact]
> New generations of Realtek PCIe card reader cannot detect card insertion
> when the device is in PCI D3.
> 
> [Fix]
> Rework the runtime PM flow and add chip specific support.
> 
> [Test]
> With the series applied, the device can detect card insertion when it's
> in PCI D3.
> 
> [Where problems could occur]
> System wide power management with less usage like hibernation, kexec
> reboot, etc. are not tested extensively. So these cases may be affected.
> 
> Kai-Heng Feng (5):
>    mmc: rtsx: Use pm_runtime_{get,put}() to handle runtime PM
>    misc: rtsx: Rework runtime power management flow
>    misc: rtsx: Cleanup power management ops
>    misc: rtsx: Quiesce rts5249 on system suspend
>    mmc: rtsx: Let MMC core handle runtime PM
> 
> Ricky WU (2):
>    misc: rtsx: rts522a rts5228 rts5261 support Runtime PM
>    mmc: rtsx: add 74 Clocks in power on flow
> 
> Tom Rix (1):
>    misc: rtsx: conditionally build rtsx_pm_power_saving()
> 
> Ulf Hansson (1):
>    mmc: rtsx: Fix build errors/warnings for unused variable
> 
>   drivers/misc/cardreader/rtl8411.c  |   2 +-
>   drivers/misc/cardreader/rts5209.c  |   2 +-
>   drivers/misc/cardreader/rts5227.c  |  47 ++++++
>   drivers/misc/cardreader/rts5228.c  |  23 ++-
>   drivers/misc/cardreader/rts5229.c  |   2 +-
>   drivers/misc/cardreader/rts5249.c  |  31 +++-
>   drivers/misc/cardreader/rts5261.c  |  35 ++++-
>   drivers/misc/cardreader/rtsx_pcr.c | 228 +++++++++++------------------
>   drivers/misc/cardreader/rtsx_pcr.h |   3 +
>   drivers/mmc/host/rtsx_pci_sdmmc.c  |  49 ++++---
>   include/linux/rtsx_pci.h           |   5 +-
>   11 files changed, 248 insertions(+), 179 deletions(-)
> 

-- 
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Tim Gardner
Canonical, Inc