ACK/Cmnt: [PATCH 0/3][Unstable][Noble] Include SD 7.0 card Realtek RTS5264 support

Andrea Righi andrea.righi at canonical.com
Tue Jan 2 12:12:16 UTC 2024


On Wed, Nov 22, 2023 at 07:22:46AM -0700, Tim Gardner wrote:
> On 11/20/23 8:53 PM, You-Sheng Yang wrote:
> > BugLink: https://bugs.launchpad.net/bugs/2039925
> > 
> > [Impact]
> > 
> > Missing Realtek RTS5264 SD 7.0 cardreader support:
> > ```
> > $ lspci -nnnk
> > 0000:56:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device [10ec:5264] (rev 01)
> >          Subsystem: Dell Device [1028:0cc8]
> >          Kernel driver in use: rtsx_pci
> >          Kernel modules: rtsx_pci
> > ```
> > 
> > [Fix]
> > 
> > V4 patchset under review:
> > https://patchwork.kernel.org/project/linux-mmc/patch/bf45a73f01cc43669dc3796ccff25598@realtek.com/
> > 
> > [Test Case]
> > 
> > With kernel driver probed and loaded successfully, there should be a line in the
> > dmesg:
> > ```
> > rtsx_pci 0000:56:00.0: enabling device (0000 -> 0002)
> > ```
> > 
> > [Where problems could occur]
> > 
> > New hardware, expecting all possible way to go wrong.
> > 
> > [Other Info]
> > 
> > Nominated for oem-6.5 and Noble.
> > 
> > Ricky WU (3):
> >    UBUNTU: SAUCE: misc: rtsx: add to support new card reader rts5264 new
> >      definition and function
> >    UBUNTU: SAUCE: misc: rtsx: add to support new card reader rts5264
> >    UBUNTU: SAUCE: mmc: rtsx: add rts5264 to support sd express card
> > 
> >   drivers/misc/cardreader/Makefile   |   2 +-
> >   drivers/misc/cardreader/rts5264.c  | 886 +++++++++++++++++++++++++++++
> >   drivers/misc/cardreader/rts5264.h  | 278 +++++++++
> >   drivers/misc/cardreader/rtsx_pcr.c |  30 +-
> >   drivers/misc/cardreader/rtsx_pcr.h |   1 +
> >   drivers/mmc/host/rtsx_pci_sdmmc.c  |  17 +-
> >   include/linux/rtsx_pci.h           |   8 +
> >   7 files changed, 1215 insertions(+), 7 deletions(-)
> >   create mode 100644 drivers/misc/cardreader/rts5264.c
> >   create mode 100644 drivers/misc/cardreader/rts5264.h
> > 
> Acked-by: Tim Gardner <tim.gardner at canonical.com>
> 
> Looks to be self contained. Is it going upstream soon ?

I have the same question... is there any plan to upstream this?
Otherwise, we need a plan to maintain this.

Thanks,
-Andrea



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