From: Johan Hovold <johan@kernel.org>
To: Daniel Palmer <daniel@0x0f.com>
Cc: Johan Hovold <johan@kernel.org>,
linux-usb@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] USB: serial: option: add LongSung M5710 module support
Date: Mon, 4 Jan 2021 16:25:24 +0100 [thread overview]
Message-ID: <X/MzZAB9jN507p74@hovoldconsulting.com> (raw)
In-Reply-To: <CAFr9PX=xr=xRaT18VN5ELDF=WBO+YqohC4Rvdg-TJNDXr3OqgA@mail.gmail.com>
On Mon, Jan 04, 2021 at 11:29:39PM +0900, Daniel Palmer wrote:
> Hi Johan,
>
> On Mon, 4 Jan 2021 at 19:32, Johan Hovold <johan@kernel.org> wrote:
>
> > Also, would you mind posting the "lsusb -v" output for this device for
> > reference?
>
> The lsusb from busybox on this system doesn't support the -v option it seems.
> Here is the output from /sys/kernel/debug/usb/devices:
>
> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=2df3 ProdID=9d03 Rev= 1.00
> S: Manufacturer=Marvell
> S: Product=Mobile Composite Device Bus
> S: SerialNumber=<snip>
> C:* #Ifs= 5 Cfg#= 1 Atr=c0 MxPwr=500mA
> A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=03
> I:* If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host
> E: Ad=87(I) Atr=03(Int.) MxPS= 64 Ivl=4096ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host
> E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=0c(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=0b(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=89(I) Atr=03(Int.) MxPS= 64 Ivl=4096ms
> E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=88(I) Atr=03(Int.) MxPS= 64 Ivl=4096ms
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=0a(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> I can rebuild my rootfs with the usbutils lsusb tomorrow when I have
> physical access to it again if needed.
That's ok, the above will do just fine.
It looks like we must not try to bind to the first two interfaces
however:
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
> >Do you know what each interface is used for?
>
> The second tty responds to AT commands. The others don't do anything so far.
> The hardware documentation doesn't say much aside that there is a usb interface.
Ok, thanks. I'll apply this one with the above change now.
Johan
prev parent reply other threads:[~2021-01-04 15:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-27 3:17 [PATCH] USB: serial: option: add LongSung M5710 module support Daniel Palmer
2021-01-04 10:32 ` Johan Hovold
2021-01-04 14:29 ` Daniel Palmer
2021-01-04 15:25 ` Johan Hovold [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=X/MzZAB9jN507p74@hovoldconsulting.com \
--to=johan@kernel.org \
--cc=daniel@0x0f.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.