Add ACPI support for APM X-Gene mailbox driver.

Signed-off-by: Feng Kan <f...@apm.com>
---
 drivers/mailbox/mailbox-xgene-slimpro.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c 
b/drivers/mailbox/mailbox-xgene-slimpro.c
index 49370e5..890f95b 100644
--- a/drivers/mailbox/mailbox-xgene-slimpro.c
+++ b/drivers/mailbox/mailbox-xgene-slimpro.c
@@ -18,6 +18,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  *
  */
+#include <linux/acpi.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
@@ -240,6 +241,14 @@ static const struct of_device_id slimpro_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, slimpro_of_match);
 
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id slimpro_acpi_ids[] = {
+       {"APMC0D01", 0},
+       {}
+};
+MODULE_DEVICE_TABLE(acpi, slimpro_acpi_ids);
+#endif
+
 static struct platform_driver slimpro_mbox_driver = {
        .probe  = slimpro_mbox_probe,
        .remove = slimpro_mbox_remove,
@@ -247,6 +256,7 @@ static struct platform_driver slimpro_mbox_driver = {
                .name = "xgene-slimpro-mbox",
                .owner = THIS_MODULE,
                .of_match_table = of_match_ptr(slimpro_of_match),
+               .acpi_match_table = ACPI_PTR(slimpro_acpi_ids)
        },
 };
 
-- 
1.9.1

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