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author | Don Dugger <donald.d.dugger@intel.com> | 2015-10-29 22:15:25 +0000 |
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committer | Gerrit Code Review <gerrit@172.30.200.206> | 2015-10-29 22:15:25 +0000 |
commit | afc76d554ed517e38d46b6b182a7016406a1323f (patch) | |
tree | 06133cb33a43488837ea67667458e1582f2f40ce /kernel/arch/powerpc/kernel/rtas.c | |
parent | 41f827bfbb10e03c4d228fbcc801dd51fb9983b0 (diff) | |
parent | ec0a2ed6d8a5e555edef907895c041e285fdb495 (diff) |
Merge "These changes are a raw update to a vanilla kernel 4.1.10, with the recently announced rt patch patch-4.1.10-rt10.patch. No further changes needed."
Diffstat (limited to 'kernel/arch/powerpc/kernel/rtas.c')
-rw-r--r-- | kernel/arch/powerpc/kernel/rtas.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/kernel/rtas.c b/kernel/arch/powerpc/kernel/rtas.c index 7a488c108..caffb10e7 100644 --- a/kernel/arch/powerpc/kernel/rtas.c +++ b/kernel/arch/powerpc/kernel/rtas.c @@ -584,6 +584,23 @@ int rtas_get_sensor(int sensor, int index, int *state) } EXPORT_SYMBOL(rtas_get_sensor); +int rtas_get_sensor_fast(int sensor, int index, int *state) +{ + int token = rtas_token("get-sensor-state"); + int rc; + + if (token == RTAS_UNKNOWN_SERVICE) + return -ENOENT; + + rc = rtas_call(token, 2, 2, state, sensor, index); + WARN_ON(rc == RTAS_BUSY || (rc >= RTAS_EXTENDED_DELAY_MIN && + rc <= RTAS_EXTENDED_DELAY_MAX)); + + if (rc < 0) + return rtas_error_rc(rc); + return rc; +} + bool rtas_indicator_present(int token, int *maxindex) { int proplen, count, i; |