I wonder if I can remove the locking (spin_lock). The disable and enable irq should be enough. Thoughts .. Philip On Feb 14, 2011, at 1:55 AM, Wolfram Sang wrote: > >> It looks like the mdelay are not in the fastpath, so why bother. > > On embedded systems, we had audio streaming or CAN communication or similar > running in parallel. Currently, those mdelays (there are a couple, sadly) > produce significant latencies, e.g. when inserting/removing a card. The latter > gets especially bad with BROKEN_CARD_DETECTION. > > The proper solution is probably to check the locking and see if it can be made > fine-granular, I'd assume? > > Regards, > > Wolfram > > -- > Pengutronix e.K. | Wolfram Sang | > Industrial Linux Solutions | http://www.pengutronix.de/ | -- 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
