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authorMikael Pettersson <mikpe@it.uu.se>2009-10-29 18:46:56 (GMT)
committerDan Williams <dan.j.williams@intel.com>2009-10-29 18:46:56 (GMT)
commit345a32296b1f9f6121379e0240915e0e2be2dbf5 (patch)
tree995ad5887af10b11b2cbc48e8936f7f7d9fbb109 /arch/arm/mm/proc-xsc3.S
parent980f2296b5a8dfe589f023fd34229dcfdcf280fa (diff)
downloadlinux-345a32296b1f9f6121379e0240915e0e2be2dbf5.tar.xz
iop: implement sched_clock()
This adds a better sched_clock() to the IOP platform, implemented using its new clocksource support. Tested on n2100, compile-tested for all plat-iop machines. [dan.j.williams@intel.com: allow early cp6 access] Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/arm/mm/proc-xsc3.S')
-rw-r--r--arch/arm/mm/proc-xsc3.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 2028f37..fab134e 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -396,7 +396,7 @@ __xsc3_setup:
orr r4, r4, #0x18 @ cache the page table in L2
mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
- mov r0, #0 @ don't allow CP access
+ mov r0, #1 << 6 @ cp6 access for early sched_clock
mcr p15, 0, r0, c15, c1, 0 @ write CP access register
mrc p15, 0, r0, c1, c0, 1 @ get auxiliary control reg