Hello ,
I have a PCMCIA multifunction card with a USB port and a serial port.
The USB controller on the card is OHCI-similar however it has the
following peculiarity -
An OHCI interface works by having a set of 32 bit registers in
an IO or memory window, and various data structures
Hello Greg ,
What kernel version would you recommend for porting usb-serial driver
for 2.4 ?
(Considering the stablity of usb/usb-serial layer in 2.4)
Thanks ,
Monali.
> -Original Message-
> From: Greg KH [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, September 21, 2005 6:25 PM
> To: Mo
Hello Greg ,
Once again thanks for the reply . This time thanks for your sympathies
too :)
I did try with 2.6.12 and found this is fixed .
Regards,
Monali.
> -Original Message-
> From: Greg KH [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, September 21, 2005 5:52 PM
> To: Monali Vishnu
Hello Greg ,
Thanks for the reply .
The driver in question is still in development stages and is yet not
released .
I am developing and testing this on 2.6.9 kernel
I have one more query -
With the driver open() having error handling code for usb_submit_urb as
result = usb_subm
Hello all ,
Got the mailing list id wrong in my post. Forwarding reply of Alan.
This may sometime help somebody ,when google engine gets this in the
search.
Regards,
Monali.
-Original Message-
From: Alan Stern [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 20, 2005 7:41 PM
To: Mo
Hello all ,
I am facing an issue when using my usb-serial adapter( USB 1.1
compliant) connected to the host via a 2.0 Hub ( from Adaptec, Inc)
The setup is something like this .
Linux host with Redhat 2.6.9 kernel --> USB 2.0 Hub --> USB-serial
converter
--> indicates usb cables
The Linux host
Hello Alan ,
Thanks a lot for your reply .
I did try using 2.6.12.but I get the same issue .
When I do a usb_reset_config in attach() I find that the write is NACKS
even for the first time after I load the driver.
I also tried usb_reset_device in attach() I find following message
logged
hal.hot
Hello ,
I am developing a driver for a usb-serial adapter ( 1 port device with
BULK IN and BULK OUT endpoint). The development is on Redhat kernel
2.6.9.
I find that write call backs are not happening when I unload my driver
module and reload it afterwards , without disconnecting the usb-serial
a
Hello ,
The minicom-read issue is resolved . It was to do with the non-canonical
mode not getting set properly .
The problem was that I was handling the TCSETS command in the USB
Serial driver ioctl function .
On "TCSETS " I used to call my drivers set_termios .However any changes
done to termio
Hello Greg ,
Thanks for the help on the missed coding conventions . I will definitely
incorporate those .
I may not be able to send the entire driver code but I can send some
important functions you need to
help me debug the issues. Let me know if this is fine .
Meanwhile , would it be possible
Hello Greg ,
My code does tries to follow coding conventions. I have referred the
CodingStyle doc.The file I sent was a txt file enough to view some
important portions of the code.
I am not sure what you meant by not following coding conventions. It
would be good if you could point the crucial po
Hello Al and Greg,
As you know, I am working on USB Serial devices by Oxford Semi. These
drivers will be released with GPL license.
The read-write flow in the driver has been tested minimally. I am able
to read/write characters using Kermit .
However I need some pointers from you to debug some of
Hello Greg ,
For the USB-Serial adapter with 4 ports I find the usb_serial_probe()
getting called 4 times .
As a result it is registering ttyUSB0 to ttyUSB15 where actually it
should register ttyUSB0 to ttyUSB3 .
The USB-Serial Adapter has 4 interfaces . For each interface the
current alternat
Thanks for your suggestions Greg ,
Regards,
Monali.
> -Original Message-
> From: Greg KH [mailto:[EMAIL PROTECTED]
> Sent: Saturday, March 26, 2005 5:31 AM
> To: Monali Vishnu Katkar (WT01 - EMBEDDED & PRODUCT
> ENGINEERING SOLUTIONS)
> Cc: [EMAIL PROTECTED]; linux-usb-devel@lists.s
Hello Alan Stern ,
I tried the same kernel "2.6.5-7.97-smp" SuSE and it gives no errors .
Since I need to use the same Linux kernel could you let me know why it
should not work on 2.6.9 Enterprise Edition .
What is the problem due to which the USB core is unable to read these
descriptors.
Rega
Hi ,
I get the following error when I plug in the composite USB device on the
host . The host has Redhat Linux EL Verion 4 ,
Kernel version 2.6.9-5.EL .
Can anyone give some pointers as what the problem is. Why is the USB
core unable to read the descriptors ?
Mar 24 17:16:43 kernel: usb 4-1:
Hello Greg ,
When I insmod my USB to Serial Driver module , and I insert my
USB-Serial bridge I find the probe of the Generic serial driver getting
called.
It should actually call the probe implemented in my modules .
Note : after insmoding I do get message saying "USB serial support
registere
Hello Greg ,
Please ignore this question . Actually I had programmed the Product Id
incorrectly.
Sorry for the trouble .
Regards,
Monali.
> -Original Message-
> From: Monali Vishnu Katkar (WT01 - EMBEDDED & PRODUCT
> ENGINEERING SOLUTIONS)
> Sent: Wednesday, March 23, 2005 8:58 PM
>
Hello Greg ,
Thanks a lot for your comments on the queries .
I have a few more -
1 . How should we handle this case .
The URB submitted on BULK OUT returns status in the
write_bulk_callback other than 0 , -ECONNRESET,-ENOENT,-ESHUTDOWN
We should resubmit thats correct but why should the
Hello,
I am writing a driver for USB to Serial converter /bridge
having 4 serial ports .
I was going through the existing USB to Serial driver . I
have a few questions related to those . I would be glad to
receive responses to my queries .
1. "num_interrupt_in" field in the usb_
Hello,
I am writing a driver for USB to Serial converter /bridge having 4
serial ports .
I was going through the existing USB to Serial driver . I have a few
questions related to those .
I would be glad to receive responses to my queries .
1. "num_interrupt_in" field in the usb_serial_device
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