From: Tobias Winter <tobias@linuxdingsda.de>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "Bjørn Mork" <bjorn@mork.no>, "Rob Landley" <rob@landley.net>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] Increase the number of USB to serial devices we can support at once
Date: Thu, 06 Jun 2013 13:35:45 +0200 [thread overview]
Message-ID: <51B07411.4020902@linuxdingsda.de> (raw)
In-Reply-To: <20130605175426.GA13461@kroah.com>
Hi Greg,
On 06/05/2013 07:54 PM, Greg KH wrote:
> Here are 3 patches that I've tested out on my system with only a small
> number of devices, but it seems to work, so why not let others try it
> out...
It compiles and runs without any errors. My current setup has 272 ftdi
devices connected:
rescue on 172.18.24.141:/dev$ uname -a
Linux bigrescue 3.10.0-rc3+ #1 SMP Thu Jun 6 12:21:06 CEST 2013 x86_64
GNU/Linux
rescue on 172.18.24.141:/dev$ dmesg | tail -n 15
[ 3361.898725] usb 3-1.4.4: usb_probe_device
[ 3361.898750] usb 3-1.4.4: configuration #1 chosen from 1 choice
[ 3361.901598] usb 3-1.4.4: adding 3-1.4.4:1.0 (config #1, interface 0)
[ 3361.906802] ftdi_sio 3-1.4.4:1.0: usb_probe_interface
[ 3361.906830] ftdi_sio 3-1.4.4:1.0: usb_probe_interface - got id
[ 3361.906875] ftdi_sio 3-1.4.4:1.0: FTDI USB Serial Device converter
detected
[ 3361.932490] usb 3-1.4.4: Detected FT232RL
[ 3361.952189] usb 3-1.4.4: Number of endpoints 2
[ 3361.972791] usb 3-1.4.4: Endpoint 1 MaxPacketSize 64
[ 3361.994656] usb 3-1.4.4: Endpoint 2 MaxPacketSize 64
[ 3362.016309] usb 3-1.4.4: Setting MaxPacketSize 64
[ 3362.039764] usb 3-1.4.4: FTDI USB Serial Device converter now
attached to ttyUSB271
[ 3362.075248] hub 3-1.2:1.0: state 7 ports 4 chg 0000 evt 0010
[ 3362.075676] hub 3-1.3:1.0: state 7 ports 4 chg 0000 evt 0010
[ 3362.076659] hub 3-1.4:1.0: state 7 ports 4 chg 0000 evt 0010
Sadly I only have FTDI single port interfaces and am therefore unable to
test with other devices.
Thanks for the effort!
Tobias
next prev parent reply other threads:[~2013-06-06 11:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-05 17:54 [PATCH 0/3] Increase the number of USB to serial devices we can support at once Greg KH
2013-06-05 17:54 ` [PATCH 2/3] USB: serial: make minor allocation dynamic Greg KH
2013-06-06 12:17 ` Johan Hovold
2013-06-06 16:33 ` Greg KH
2013-06-05 17:55 ` [PATCH 3/3] USB: serial: increase the number of devices we support Greg KH
2013-06-05 17:55 ` [PATCH 1/3] USB: serial: ports: add minor and port number Greg KH
2013-06-06 11:31 ` Johan Hovold
2013-06-06 11:32 ` [PATCH] USB: whiteheat: fix broken port configuration Johan Hovold
2013-06-06 16:37 ` [PATCH 1/3] USB: serial: ports: add minor and port number Greg KH
2013-06-06 11:35 ` Tobias Winter [this message]
2013-06-06 15:01 ` [PATCH 0/3] Increase the number of USB to serial devices we can support at once Dave Jones
2013-06-06 15:21 ` Greg KH
2013-06-06 16:24 ` Tobias Winter
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