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-rw-r--r--arch/powerpc/kernel/sysfs.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index b8d4a1dac39f..5a8bfee6e187 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -485,6 +485,7 @@ SYSFS_PMCSETUP(mmcra, SPRN_MMCRA);
SYSFS_SPRSETUP(purr, SPRN_PURR);
SYSFS_SPRSETUP(spurr, SPRN_SPURR);
SYSFS_SPRSETUP(pir, SPRN_PIR);
+SYSFS_SPRSETUP(tscr, SPRN_TSCR);
/*
Lets only enable read for phyp resources and
@@ -495,6 +496,7 @@ static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra);
static DEVICE_ATTR(spurr, 0400, show_spurr, NULL);
static DEVICE_ATTR(purr, 0400, show_purr, store_purr);
static DEVICE_ATTR(pir, 0400, show_pir, NULL);
+static DEVICE_ATTR(tscr, 0600, show_tscr, store_tscr);
/*
* This is the system wide DSCR register default value. Any
@@ -785,6 +787,9 @@ static int register_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_PPCAS_ARCH_V2))
device_create_file(s, &dev_attr_pir);
+
+ if (cpu_has_feature(CPU_FTR_ARCH_206))
+ device_create_file(s, &dev_attr_tscr);
#endif /* CONFIG_PPC64 */
#ifdef CONFIG_PPC_FSL_BOOK3E
@@ -867,6 +872,9 @@ static int unregister_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_PPCAS_ARCH_V2))
device_remove_file(s, &dev_attr_pir);
+
+ if (cpu_has_feature(CPU_FTR_ARCH_206))
+ device_remove_file(s, &dev_attr_tscr);
#endif /* CONFIG_PPC64 */
#ifdef CONFIG_PPC_FSL_BOOK3E