diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-25 09:31:00 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-25 09:31:00 -0700 |
commit | bcc66c0b8881f88459f9ac21038455bcafacdc6e (patch) | |
tree | b402e677253c3fc1038ca4a52fc54fc223261133 /drivers/acpi/processor_perflib.c | |
parent | 1c1b86215730ef07d8851c2247b9ecf73038d05d (diff) | |
parent | 6b16351acbd415e66ba16bf7d473ece1574cf0bc (diff) |
Merge 3.5-rc4 into staging-next
This picks up the staging changes made in 3.5-rc4 so that everyone can sync up
properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi/processor_perflib.c')
-rw-r--r-- | drivers/acpi/processor_perflib.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 0af48a8554cd..a093dc163a42 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -333,6 +333,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) struct acpi_buffer state = { 0, NULL }; union acpi_object *pss = NULL; int i; + int last_invalid = -1; status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer); @@ -394,14 +395,33 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) ((u32)(px->core_frequency * 1000) != (px->core_frequency * 1000))) { printk(KERN_ERR FW_BUG PREFIX - "Invalid BIOS _PSS frequency: 0x%llx MHz\n", - px->core_frequency); - result = -EFAULT; - kfree(pr->performance->states); - goto end; + "Invalid BIOS _PSS frequency found for processor %d: 0x%llx MHz\n", + pr->id, px->core_frequency); + if (last_invalid == -1) + last_invalid = i; + } else { + if (last_invalid != -1) { + /* + * Copy this valid entry over last_invalid entry + */ + memcpy(&(pr->performance->states[last_invalid]), + px, sizeof(struct acpi_processor_px)); + ++last_invalid; + } } } + if (last_invalid == 0) { + printk(KERN_ERR FW_BUG PREFIX + "No valid BIOS _PSS frequency found for processor %d\n", pr->id); + result = -EFAULT; + kfree(pr->performance->states); + pr->performance->states = NULL; + } + + if (last_invalid > 0) + pr->performance->state_count = last_invalid; + end: kfree(buffer.pointer); |