On Sat, Feb 12, 2011 at 09:16:45PM +0800, Richard Zhao wrote: > Hi Greg, > > Does uart_ops.tx_empty need to hold port->lock? > I find some drivers hold the lock in tx_empty hook, for example 8250. > But many more drivers don't hold it, for example imx.c, sh-sci.c. I do not know, Alan would know best about this. Alan? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
