On Wed, Mar 11, 2009 at 10:59:11AM +1100, Benjamin Herrenschmidt wrote: >On Tue, 2009-03-10 at 18:37 -0400, Josh Boyer wrote: >> On Tue, Mar 10, 2009 at 05:33:08PM -0500, Scott Wood wrote: >> > Timur Tabi 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 zero if the timeout expires first, >> >> non-zero >> >> otherwise. >> >> >> >> 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. >> >> >> >> Signed-off-by: Timur Tabi <ti...@freescale.com> >> >> --- >> >> >> >> v5: ported to arch/powerpc, made it powerpc-specific, eliminated udelay >> > >> > Why make it powerpc-specific? This would be nice to have in >> > arch-independent code. >> >> That's just mean. He already posted it to lkml and was told to make it >> powerpc specific by Alan. > >And ? We can disagree with Alan...
Did I say Alan was right? I'm just explaining why Timur probably posted it as arch-specific. josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
