On Mon, Apr 27, 2009 at 2:05 PM, Timur Tabi <ti...@freescale.com> wrote: > The macro spin_event_timeout() takes a condition and timeout value > (in microseconds) as parameters. It spins until either the condition is true > or the timeout expires. It returns the result of the condition when the loop > was terminated. > > This primary purpose of this macro is to poll on a hardware register until a > status bit changes. The timeout ensures that the loop still terminates if the > bit doesn't change as expected. This macro makes it easier for driver > developers to perform this kind of operation properly.
Any comments on this patch? I'd like to see this macro added to 2.6.31. -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
