diff options
author | David S. Miller <davem@davemloft.net> | 2009-02-06 02:59:04 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-02-06 02:59:04 -0500 |
commit | 1c2f61d40b691789626489fa947a3e003c9a84be (patch) | |
tree | f9129cd1ed8f769b13c4de440d716cf4afb24a59 /arch/sparc/kernel/pcr.c | |
parent | dc4ff585ffbc6cb0c872697b2d5f42293a32e5c8 (diff) |
sparc64: Don't hook up pcr_ops on spitfire chips.
They can't be used for profiling and NMI watchdog currently
since they lack the counter overflow interrupt.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/pcr.c')
-rw-r--r-- | arch/sparc/kernel/pcr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index 92e0dda141a4..1ae8cdd7e703 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c | |||
@@ -133,11 +133,16 @@ int __init pcr_arch_init(void) | |||
133 | 133 | ||
134 | case cheetah: | 134 | case cheetah: |
135 | case cheetah_plus: | 135 | case cheetah_plus: |
136 | case spitfire: | ||
137 | pcr_ops = &direct_pcr_ops; | 136 | pcr_ops = &direct_pcr_ops; |
138 | pcr_enable = PCR_SUN4U_ENABLE; | 137 | pcr_enable = PCR_SUN4U_ENABLE; |
139 | break; | 138 | break; |
140 | 139 | ||
140 | case spitfire: | ||
141 | /* UltraSPARC-I/II and derivatives lack a profile | ||
142 | * counter overflow interrupt so we can't make use of | ||
143 | * their hardware currently. | ||
144 | */ | ||
145 | /* fallthrough */ | ||
141 | default: | 146 | default: |
142 | err = -ENODEV; | 147 | err = -ENODEV; |
143 | goto out_unregister; | 148 | goto out_unregister; |