This adds ACPI support for the APM X-Gene SATA ports. When the system
boots using ACPI table, the SATA ports are able to configure using the
values supplied by the ACPI table rather than the DTS.
Signed-off-by: Feng Kan <[email protected]>
---
drivers/ata/ahci_xgene.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index d0c851a..4951392 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -22,6 +22,7 @@
* NOTE: PM support is not currently available.
*
*/
+#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/ahci_platform.h>
@@ -521,6 +522,14 @@ disable_resources:
return rc;
}
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id xgene_ahci_acpi_match[] = {
+ { "APMC0D0D", },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, xgene_ahci_acpi_match);
+#endif
+
static const struct of_device_id xgene_ahci_of_match[] = {
{.compatible = "apm,xgene-ahci"},
{},
@@ -534,6 +543,7 @@ static struct platform_driver xgene_ahci_driver = {
.name = "xgene-ahci",
.owner = THIS_MODULE,
.of_match_table = xgene_ahci_of_match,
+ .acpi_match_table = ACPI_PTR(xgene_ahci_acpi_match),
},
};
--
1.9.1