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... Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
