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 <fkan@xxxxxxx>
Reviewed-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
---
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 2e8bb60..2b78510 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>
@@ -718,6 +719,14 @@ 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"},
{},
@@ -730,6 +739,7 @@ static struct platform_driver xgene_ahci_driver = {
.driver = {
.name = DRV_NAME,
.of_match_table = xgene_ahci_of_match,
+ .acpi_match_table = ACPI_PTR(xgene_ahci_acpi_match),
},
};
--
1.9.1
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