On Fri, Mar 09, 2012 at 05:34:03PM +0100, Linus Walleij wrote: > On Thu, Mar 8, 2012 at 7:49 PM, Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Feb 27, 2012 at 06:30:20PM +0900, Chanho Min wrote: > >> This is another workaroud of 'https://lkml.org/lkml/2012/1/17/104' > >> with additional analysis.Bootloader can transfer control to kernel and > >> there are some pending interrupts. In this case, RXFE of the flag > >> register is set by clearing FEN(LCRH) even if rx data remains in the > >> fifo. It seems that the fifo's status is initiailized. Interrupt > >> handler can not get any data from data register because of the below > >> break condtion. > >> > >> pl011_fifo_to_tty > >> while (max_count--) { > >> if (status & UART01x_FR_RXFE) > >> break; > > > > This patch never seemed to be agreed on, so I'm not taking it. > > > > Can someone, if this is still needed, and everyone agrees on how to > > solve it, please send me the needed fix? > > To me it seems Russell's patch solves part of the problem, > and Jong-Sung Kim's patch on top of that solves the entire > problem, but Chanho need to come back and tell whether > this is the case in practice. Ok, then, once it is tested, can someone resend them to me? 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
