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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/acpi/processor_throttling.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/acpi/processor_throttling.c')
-rw-r--r--drivers/acpi/processor_throttling.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 605a2954ef1..1d02b7b5ade 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -769,7 +769,7 @@ static int acpi_read_throttling_status(struct acpi_processor *pr,
u64 *value)
{
u32 bit_width, bit_offset;
- u64 ptc_value;
+ u32 ptc_value;
u64 ptc_mask;
struct acpi_processor_throttling *throttling;
int ret = -1;
@@ -777,12 +777,11 @@ static int acpi_read_throttling_status(struct acpi_processor *pr,
throttling = &pr->throttling;
switch (throttling->status_register.space_id) {
case ACPI_ADR_SPACE_SYSTEM_IO:
- ptc_value = 0;
bit_width = throttling->status_register.bit_width;
bit_offset = throttling->status_register.bit_offset;
acpi_os_read_port((acpi_io_address) throttling->status_register.
- address, (u32 *) &ptc_value,
+ address, &ptc_value,
(u32) (bit_width + bit_offset));
ptc_mask = (1 << bit_width) - 1;
*value = (u64) ((ptc_value >> bit_offset) & ptc_mask);