Applying Patch to Change Max Packet Size for Device

2015-09-16 Thread Todd Efflam
Hello, We have an issue where we cannot communicate with an old device with a wMaxPacketSize set to 0x. It is visible using lsusb -v and shows the correct max packte size, but is not listed in lsusb -t. The dmesg output gives us "usb 2-2.1: Not enough bandwidth for new device state. " and th

Re: Applying Patch to Change Max Packet Size for Device

2015-09-16 Thread Todd Efflam
ernel (2.6.35.13) but no longer works with our updated kernel (3.14.39). Thanks, Todd On Wed, Sep 16, 2015 at 3:34 PM, Greg KH wrote: > On Wed, Sep 16, 2015 at 02:18:23PM -0700, Todd Efflam wrote: >> Hello, >> We have an issue where we cannot communicate with an old device with a >> wM

Re: Applying Patch to Change Max Packet Size for Device

2015-09-16 Thread Todd Efflam
wrote: > On Wed, Sep 16, 2015 at 03:46:36PM -0700, Todd Efflam wrote: >> Sorry if this is the wrong place for this question - the device is >> part of a family of products we sell and only intended to be used with >> our other product (running linux). The reason we can't ch

Re: Applying Patch to Change Max Packet Size for Device

2015-09-17 Thread Todd Efflam
Thanks everyone. Here are some responses: On Wed, Sep 16, 2015 at 4:33 PM, Greg KH wrote: > Really? I thought you said the error was in the xhci driver, not ehci, > for 3.14. We tested with both and it failed with both, sorry for not being clear. > Can't you just plug your device into a deskt