Re: [linux-usb-devel] About EHCI interrupt handler

2006-04-30 Thread Pete Zaitcev
On Sun, 30 Apr 2006 22:33:23 +0800 (CST), Jehnny <[EMAIL PROTECTED]> wrote: >Why you use the "spin_lock (&ehci->lock)" to > protect the EHCI data structure rather than > spin_lock_irqsave()? If the EHCI interrupt toggle > again when EHCI interrupt handler executing, then the > latter interrupt

[linux-usb-devel] About EHCI interrupt handler

2006-04-30 Thread Jehnny
Hi, David: May I ask a fool question about the interrupt handler function "ehci_irq()" in ehci-hcd.c Why you use the "spin_lock (&ehci->lock)" to protect the EHCI data structure rather than spin_lock_irqsave()? If the EHCI interrupt toggle again when EHCI interrupt handler executing, then th