Introduce a wrapper around the _ADR evaluation.
Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Grant Likely <grant.likely@arm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
EXPORT_SYMBOL(acpi_evaluate_integer);
+int acpi_get_local_address(acpi_handle handle, u32 *addr)
+{
+ unsigned long long adr;
+ acpi_status status;
+
+ status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &adr);
+ if (ACPI_FAILURE(status))
+ return -ENODATA;
+
+ *addr = (u32)adr;
+ return 0;
+}
+EXPORT_SYMBOL(acpi_get_local_address);
+
acpi_status
acpi_evaluate_reference(acpi_handle handle,
acpi_string pathname,
}
#endif
+int acpi_get_local_address(acpi_handle handle, u32 *addr);
+
#else /* !CONFIG_ACPI */
#define acpi_disabled 1
return NULL;
}
+static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
+{
+ return -ENODEV;
+}
+
#endif /* !CONFIG_ACPI */
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC