On Fri, Jun 08, 2007 at 04:38:04PM +0100, Alan Cox wrote: > > See a URL I posted earlier in this thread. With dumb ATAPI devices we > > actually have to wait a bit for BSY to be asserted. Not only at reset, > > but also for every command > > 400nS and the current code correctly accounts for it. No, _far_ longer than 400nS. 2ms minimum by the spec, but, ATADRVR. blackmagic.html and googling around shows plenty of ATAPI devices that don't get their shit together for 50-100ms. The BIOS source I'm reviewing right now waits 50ms, after SRST. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
