On Friday 13 July 2012 21:53:19 Jayachandran C wrote: > In prom_putchar(), wait for just the TX empty bit to clear in the > UART LSR. > > Signed-off-by: Jayachandran C <jayachandranc@xxxxxxxxxxxxxxxxx> > --- > arch/mips/netlogic/common/earlycons.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/mips/netlogic/common/earlycons.c b/arch/mips/netlogic/common/earlycons.c > index f193f7b..53b200a5 100644 > --- a/arch/mips/netlogic/common/earlycons.c > +++ b/arch/mips/netlogic/common/earlycons.c > @@ -54,7 +54,7 @@ void prom_putchar(char c) > #elif defined(CONFIG_CPU_XLR) > uartbase = nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); > #endif > - while (nlm_read_reg(uartbase, UART_LSR) == 0) > + while ((nlm_read_reg(uartbase, UART_LSR) & 0x20) == 0) > ; You could use use UART_LSR_THRE here instead of 0x20. -- Florian
