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ACPICA: Update acpi_get_timer for 64-bit interface to acpi_hw_read

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ACPICA commit 1cdcf16447c15694faa564c0cd8e357b910344a0

Return value from acpi_hw_read is now 64 bits, but the ACPI PM
Timer is defined by the ACPI spec to be 32 bits.

Link: https://github.com/acpica/acpica/commit/1cdcf16447c1
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2017-09-20 10:00:56 +08:00 committed by Rafael J. Wysocki
parent c2e56e54b2
commit 8092936dac
1 changed files with 9 additions and 1 deletions
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10
drivers/acpi/acpica/hwtimer.c
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@ -94,6 +94,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution)
acpi_status acpi_get_timer(u32 * ticks)
{
acpi_status status;
u64 timer_value;
ACPI_FUNCTION_TRACE(acpi_get_timer);
@ -107,7 +108,14 @@ acpi_status acpi_get_timer(u32 * ticks)
return_ACPI_STATUS(AE_SUPPORT);
}
status = acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block);
status = acpi_hw_read(&timer_value, &acpi_gbl_FADT.xpm_timer_block);
if (ACPI_SUCCESS(status)) {
/* ACPI PM Timer is defined to be 32 bits (PM_TMR_LEN) */
*ticks = (u32)timer_value;
}
return_ACPI_STATUS(status);
}