Arnd, On Wed, May 14, 2014 at 5:18 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > I just stumbled over this thread. Looking at the callers of the > execute_tuning() function, I see that all three come from non-atomic > context. How about an add-on patch to turn the mdelay(1) into an > msleep(1)? That would be much friendlier to other tasks running > concurrently. Even better if someone could tell us why the mdelay() was there to begin with. As I understand it Nick was confident that it wasn't needed for eMMC. He didn't _think_ it was needed for SD cards either but it was safer to leave it there for SD cards since the delay wasn't causing any known problems on them. -Doug -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html