RE: nothing happens upon SD card insertion (Asus Zenbook UM425IA, RTS522A)

[Ricky WU <ricky_wu@realtek.com>]

Hi Julian，

We can't reproduce this issue on our side
Can you check your socket is well and print more driver debug message?

BR,
Ricky
> -----Original Message-----
> From: Ulf Hansson <ulf.hansson@linaro.org>
> Sent: Wednesday, December 29, 2021 1:07 AM
> To: Julian Sikorski <belegdol@gmail.com>; Ricky WU <ricky_wu@realtek.com>;
> Rui Feng <rui_feng@realsil.com.cn>
> Cc: linux-mmc@vger.kernel.org
> Subject: Re: nothing happens upon SD card insertion (Asus Zenbook UM425IA,
> RTS522A)
> 
> + Ricky and Rui,
> 
> On Sat, 25 Dec 2021 at 11:50, Julian Sikorski <belegdol@gmail.com> wrote:
> >
> > Hello,
> >
> > I have an Asus Zenbook UM425IA laptop with Realtek RTS522A card reader:
> >
> > 02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd.
> > RTS522A PCI Express Card Reader (rev 01)
> 
> Hi Julian,
> 
> I assume that means you are using the
> drivers/mmc/host/rtsx_pci_sdmmc.c. So, I have looped in some of the main
> authors to this mmc/sd driver. Let's see if they can help in some way.
> 
> Kind regards
> Uffe
> 
> >
> >
> > Almost every time when I insert a card into it, nothing happens - no
> > dmesg message or anything.
> >
> > echo 1 | sudo tee -a /sys/kernel/debug/tracing/events/mmc/enable
> >
> > sudo cat /sys/kernel/debug/tracing/trace_pipe > mmc_trace.txt
> >
> > also results in an empty file. If I am lucky, the card will be
> > detected after some delay and the following will appear in the log:
> >
> > Dez 25 11:34:41 snowball3 kernel: mmc0: cannot verify signal voltage
> > switch
> >
> > Dez 25 11:34:41 snowball3 kernel: mmc0: new ultra high speed SDR50
> > SDHC card at address aaaa
> >
> > Dez 25 11:34:41 snowball3 kernel: mmcblk0: mmc0:aaaa SL32G 29.7 GiB
> >
> > Dez 25 11:34:41 snowball3 kernel:  mmcblk0: p1
> >
> >
> > How can I investigate this further? As things stand now, the reader is
> > almost unusable. I am using 5.15.11-200.s0ix01.fc35.x86_64 kernel.
> > Thank you in advance.
> >
> > Best regards,
> > Julian
> >
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