From b2556da55f78a9dbe92830b1d1c0b612edfea9fd Mon Sep 17 00:00:00 2001 From: Uwe Zeisberger Date: Tue, 2 May 2006 20:40:56 +0100 Subject: [PATCH] [ARM] 3488/1: make icedcc_putc do the right thing Patch from Uwe Zeisberger a) use coprocessor 14 b) make reading the dcc status volatile Signed-off-by: Uwe Zeisberger Signed-off-by: Russell King --- arch/arm/boot/compressed/misc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 0af3772efcb7..ace3fb5835d9 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -38,10 +38,10 @@ static void icedcc_putc(int ch) if (--i < 0) return; - asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status)); + asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status)); } while (status & 2); - asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch)); + asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch)); } #define putc(ch) icedcc_putc(ch)