From: Thomas Bogendoerfer Date: Fri, 11 Jan 2008 23:25:17 +0000 (+0100) Subject: [MIPS] Cobalt: Qube1 has no serial port so don't use it X-Git-Tag: v3.12-rc1~24210^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c43756da94863395d5ee088659676029b3ae7191;p=kernel%2Fkernel-generic.git [MIPS] Cobalt: Qube1 has no serial port so don't use it Because Qube1 doesn't have a serial chip waiting for transmit fifo empty takes forever, which isn't a good idea. No prom_putchar/early console for Qube1 fixes this. Signed-off-by: Thomas Bogendoerfer Acked-by: Yoichi Yuasa Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/cobalt/console.c b/arch/mips/cobalt/console.c index db330e8..d1ba701 100644 --- a/arch/mips/cobalt/console.c +++ b/arch/mips/cobalt/console.c @@ -4,10 +4,15 @@ #include #include +#include + #define UART_BASE ((void __iomem *)CKSEG1ADDR(0x1c800000)) void prom_putchar(char c) { + if (cobalt_board_id <= COBALT_BRD_ID_QUBE1) + return; + while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE)) ;