On Fri, Oct 16, 2009 at 02:17:17PM +0800, Wu Zhangjin wrote: > There is an existing serial port debug function: prom_putchar(), but it > can only print one char, herein add a new prom_printf(), which works > like printk, but print to serial port, which is very important to kernel > debugging. Does this mean early_printk doesn't work for you? We rather get that to work for you than introducing something equivalent. Ralf
