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authorIngo Molnar <mingo@elte.hu>2009-04-02 16:33:42 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-02 16:33:51 +0200
commit83f2f0ed715eb15a8e13c07df479d65bbc10d8d5 (patch)
treee47d7edefa210b328f8cfba43d170fc67d6e0671 /arch/arm/boot/compressed/misc.c
parent3de46fda4c104deef17ec70f85361f5c6b84ce0e (diff)
parent4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff)
downloadlinux-83f2f0ed715eb15a8e13c07df479d65bbc10d8d5.tar.bz2
Merge branch 'linus' into x86/urgent
Merge needed to go past commit 7ca43e756 (mm: use debug_kmap_atomic) and fix it. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/boot/compressed/misc.c')
-rw-r--r--arch/arm/boot/compressed/misc.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 3fc08413fff0..393c81641314 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -46,6 +46,21 @@ static void icedcc_putc(int ch)
asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
}
+#elif defined(CONFIG_CPU_XSCALE)
+
+static void icedcc_putc(int ch)
+{
+ int status, i = 0x4000000;
+
+ do {
+ if (--i < 0)
+ return;
+
+ asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status));
+ } while (status & (1 << 28));
+
+ asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch));
+}
#else