[linux-usb-devel] USB 2.0 Enumeration Intermittent

2005-07-27 Thread Jayaprakash Shanmugam
Hello All, We have our custom board (running on 2.6) on which a USB Hub ( Philips ISP 1521 ) connected to the Ehci-controller ( Philips ISP 1561) . When we insmod ohci-hcd, the hub enumerates properly as 1.1 device. When we insmod ehci-hcd, the hub sometimes enumerates as 2.0 device. But most

Re: [linux-usb-devel] USB 2.0 Enumeration Intermittent

2005-07-27 Thread Pete Zaitcev
On Wed, 27 Jul 2005 20:26:38 +0530, Jayaprakash Shanmugam <[EMAIL PROTECTED]> wrote: > When we insmod ehci-hcd, the hub sometimes enumerates as 2.0 device. > But most of the times it gives protocol error (-71) while reading the > device descriptor. Most of the time it is a signal integrity issu