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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-06 10:29:33 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-06 10:29:33 -0700
commitdadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5 (patch)
tree8dd0a19bc2fd65e05fe7678babbd9a95e53d727b /arch/mips/kernel/cpu-probe.c
parent23c1fb52961bc24bd3a8078eefc49eed533b2b38 (diff)
parent4b3e975e4a06f1710693c5aa51b8f98facfa9863 (diff)
downloadop-kernel-dev-dadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5.zip
op-kernel-dev-dadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5.tar.gz
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix scheduling latency issue on 24K, 34K and 74K cores [MIPS] Add macros to encode processor revisions. [MIPS] RM7000: Enable ICACHE_REFILLS_WORKAROUND_WAR. [MIPS] SMTC: Fix cut'n'paste bug in Kconfig.debug [MIPS] Change libgcc-style functions from lib-y to obj-y [MIPS] Fix timer/performance interrupt detection [MIPS] AP/SP: Avoid triggering the 34K E125 performance issue [MIPS] 64-bit TO_PHYS_MASK macro for RM9000 processors
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 0fc90ba..b12eeee 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -137,13 +137,24 @@ static inline void check_wait(void)
case CPU_4KEC:
case CPU_4KSC:
case CPU_5KC:
- case CPU_24K:
case CPU_25KF:
+ case CPU_PR4450:
+ cpu_wait = r4k_wait;
+ break;
+
+ case CPU_24K:
case CPU_34K:
+ cpu_wait = r4k_wait;
+ if (read_c0_config7() & MIPS_CONF7_WII)
+ cpu_wait = r4k_wait_irqoff;
+ break;
+
case CPU_74K:
- case CPU_PR4450:
cpu_wait = r4k_wait;
+ if ((c->processor_id & 0xff) >= PRID_REV_ENCODE_332(2, 1, 0))
+ cpu_wait = r4k_wait_irqoff;
break;
+
case CPU_TX49XX:
cpu_wait = r4k_wait_irqoff;
break;
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