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
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