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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 13:43:54 (GMT)
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 13:43:54 (GMT)
commitb160292cc216a50fd0cd386b0bda2cd48352c73b (patch)
treeef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /arch/mips/kernel/cpu-probe.c
parentb37bde147890c8fea8369a5a4e230dabdea4ebfb (diff)
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
downloadlinux-fsl-qoriq-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.xz
Merge Linux 2.6.23
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 06448a9..3e00416 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -199,7 +199,14 @@ static inline void check_wait(void)
if ((c->processor_id & 0xff) <= 0x64)
break;
- cpu_wait = r4k_wait;
+ /*
+ * Another rev is incremeting c0_count at a reduced clock
+ * rate while in WAIT mode. So we basically have the choice
+ * between using the cp0 timer as clocksource or avoiding
+ * the WAIT instruction. Until more details are known,
+ * disable the use of WAIT for 20Kc entirely.
+ cpu_wait = r4k_wait;
+ */
break;
case CPU_RM9000:
if ((c->processor_id & 0x00ff) >= 0x40)