netdev - Re: [PATCH v4 00/14] NFC: nxp-nci: clean up and new device support

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Message-ID: <20190823172007.GW30120@smile.fi.intel.com>
Date:   Fri, 23 Aug 2019 20:20:07 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Sedat Dilek <sedat.dilek@...dativ.de>
Cc:     Clément Perrochaud 
        <clement.perrochaud@...innov.com>,
        Charles Gorand <charles.gorand@...innov.com>,
        netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Sedat Dilek <sedat.dilek@...il.com>
Subject: Re: [PATCH v4 00/14] NFC: nxp-nci: clean up and new device support

On Tue, Aug 20, 2019 at 11:27:59PM +0200, Sedat Dilek wrote:
> > Andy Shevchenko <andriy.shevchenko@...ux.intel.com> hat am 29. Juli 2019 15:35 geschrieben:

> I gave that patchset v4 a try against Linux v5.3-rc5.
> 
> And played with neard and neard-tools v0.16-0.1 from Debian/buster AMD64.
> 
> # nfctool --list
> 
> # nfctool --enable --device=nfc0
> 
> # nfctool --list --device=nfc0
> nfc0:
>           Tags: [ tag11 ]
>           Devices: [ ]
>           Protocols: [ Felica MIFARE Jewel ISO-DEP NFC-DEP ]
>           Powered: Yes
>           RF Mode: Initiator
>           lto: 0
>           rw: 0
>           miux: 0
> 
> # nfctool --device=nfc0 --poll=Both --sniff --dump-symm
> Start sniffer on nfc0
> 
> Start polling on nfc0 as both initiator and target
> 
> Targets found for nfc0
>   Tags: [ tag11 ]
>   Devices: [ ]
> 
> But I see in the logs:
> 
> # journalctl -u neard.service -f
> Aug 20 23:01:15 iniza neard[6158]: Error while reading NFC bytes
> 
> What does this error mean?
> How can I get more informations?
> Can you aid with debugging help?

Unfortunately I have no idea about user space tools.
But I think neard has to be updated to match kernel somehow.

-- 
With Best Regards,
Andy Shevchenko