From 17e77b1cc31454908aa286bb1db3c611295ce25c Mon Sep 17 00:00:00 2001 From: Venkatesh Pallipadi Date: Fri, 1 Dec 2006 15:28:14 -0800 Subject: [PATCH] Add support for type argument in PAL_GET_PSTATE MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PAL_GET_PSTATE accepts a type argument to return different kinds of frequency information. Refer: Intel Itanium®Architecture Software Developer's Manual - Volume 2: System Architecture, Revision 2.2 (http://developer.intel.com/design/itanium/manuals/245318.htm) Add the support for type argument and use Instantaneous frequency in the acpi driver. Also fix a bug, where in return value of PAL_GET_PSTATE was getting compared with 'control' bits instead of 'status' bits. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Tony Luck --- include/asm-ia64/pal.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'include/asm-ia64') diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h index 308e94f6299..bc768153f3c 100644 --- a/include/asm-ia64/pal.h +++ b/include/asm-ia64/pal.h @@ -84,6 +84,11 @@ #define PAL_SET_PSTATE 263 /* set the P-state */ #define PAL_BRAND_INFO 274 /* Processor branding information */ +#define PAL_GET_PSTATE_TYPE_LASTSET 0 +#define PAL_GET_PSTATE_TYPE_AVGANDRESET 1 +#define PAL_GET_PSTATE_TYPE_AVGNORESET 2 +#define PAL_GET_PSTATE_TYPE_INSTANT 3 + #ifndef __ASSEMBLY__ #include @@ -1141,10 +1146,10 @@ ia64_pal_halt_info (pal_power_mgmt_info_u_t *power_buf) /* Get the current P-state information */ static inline s64 -ia64_pal_get_pstate (u64 *pstate_index) +ia64_pal_get_pstate (u64 *pstate_index, unsigned long type) { struct ia64_pal_retval iprv; - PAL_CALL_STK(iprv, PAL_GET_PSTATE, 0, 0, 0); + PAL_CALL_STK(iprv, PAL_GET_PSTATE, type, 0, 0); *pstate_index = iprv.v0; return iprv.status; } -- cgit v1.2.3-70-g09d2