On Thu, Apr 26, 2012 at 10:25:41AM -0400, Alan Stern wrote:
> On Thu, 26 Apr 2012, Calin Demian wrote:
>
> > I don't know how, but adding the following line in function
> > quirk_usb_handoff_ohci makes the system work fine:
> >
> > /* reset requires max 10 us delay */
> > + udelay(1);
> > for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */
> > if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
> >
> > I observed thad the condition in the for loop is allways true, so the
> > delay inside the loop is never executed.
That implies that something is wrong with the complier here, and it
optimized out the loop? Are you sure that really happened?
greg k-h
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