On Sat, 29 Oct 2005, Jayaprakash Shanmugam wrote: > Hi All, > > We have a ISP 1561 based USB host (supports both ohci and ehci) in > our board. When we have the ohci drivers for this host, we were able > to transfer 1024 bytes of bulk data from the device connected to it. > But, when we read the bulk data (1024 bytes) with ehci drivers > installed, it returns EOVERFLOW error. Can any of you help me to fix > this up ? Is this a limitation with USB 2.0 EHCI drivers ???
I don't know what's wrong with your device, but it's not a limitation on the EHCI driver. I often transfer 120 KB of bulk data (broken up into smaller chunks, each at least 4096 bytes long) using the PCI version of ehci-hcd. Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by the JBoss Inc. Get Certified Today * Register for a JBoss Training Course Free Certification Exam for All Training Attendees Through End of 2005 Visit http://www.jboss.com/services/certification for more information _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
