ACPI Timer() opcode should return monotonically increasing clock with 100ns
granularity. Implement this with the help of ktime_get().
Signed-off-by: Mika Westerberg <mika.westerb...@linux.intel.com>
---
drivers/acpi/osl.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 586e7e9..2a22170 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -835,19 +835,7 @@ void acpi_os_stall(u32 us)
*/
u64 acpi_os_get_timer(void)
{
- static u64 t;
-
-#ifdef CONFIG_HPET
- /* TBD: use HPET if available */
-#endif
-
-#ifdef CONFIG_X86_PM_TIMER
- /* TBD: default to PM timer if HPET was not available */
-#endif
- if (!t)
- printk(KERN_ERR PREFIX "acpi_os_get_timer() TBD\n");
-
- return ++t;
+ return ktime_to_ns(ktime_get()) / 100;
}
acpi_status acpi_os_read_port(acpi_io_address port, u32 * value, u32 width)
--
1.7.10.4
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