On Thu, 28 Jul 2005, Fukumoto Akira wrote:
> Hello Olav, > some news from my development. Two facts I have found: > > 1. Assuming that USB needs hot plug-function the kernel always needs > usermode-functions i.e. call_usermodehelper() to install dev-nodes for > USB-Mass Storage-device. In my case I have static linked isp116x-Drivers > which are registered during __init of the kernel before rootfs is available > therfore call_usermodehelper()-> /sbin/hotplug gets -1 when open a file. > Do you know a way to register isp116x-driver after rootfs is loaded? I agree with what Ian already told you: you can make static device nodes or build isp116x-hcd as a module. > > 2. I get an Interrupt from isp when isp116x_start() is initializing the chip > before HCD_RUNNING is set. In this case the base-interrupt handler > usb_hcd_irq() never serve isp116x_irq() the interrupt stays pending. I > believe it is better to set chip-setup after hcd->state = HC_RUNNING; is > installed. What do you think about that? Are you sure your interrupt configuration is correct? Polarity, for example? Olav ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
