diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-06-08 19:27:13 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-06-08 19:27:13 +0100 |
| commit | 7698fdedcfa3cab3dd40c9b685590b23be02e267 (patch) | |
| tree | 207ddae0f963174356b1a9de7fff8e48a9c1e9c1 /drivers/acpi/processor_perflib.c | |
| parent | 2d8d24935d372175786ebefa8a2de8680831b67f (diff) | |
| parent | ae5c8c83735f5fcb09b380944e4854a383006998 (diff) | |
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel
Diffstat (limited to 'drivers/acpi/processor_perflib.c')
| -rw-r--r-- | drivers/acpi/processor_perflib.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index cafb41000f6..60e543d3234 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) (u32) px->bus_master_latency, (u32) px->control, (u32) px->status)); - if (!px->core_frequency) { - printk(KERN_ERR PREFIX - "Invalid _PSS data: freq is zero\n"); + /* + * Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq + */ + if (!px->core_frequency || + ((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; |