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authorFeng Kan <fkan@apm.com>2015-03-18 17:03:55 -0700
committerTejun Heo <tj@kernel.org>2015-03-19 14:22:03 -0400
commit92b5bf989547b36c75231e4c24d0e2c351d3a0bc (patch)
tree6652e01d769ccd56af4893519a15e183327343ed /drivers/ata
parent3661aa99d82ed06e3781964d43d89be1050593c0 (diff)
downloadblackbird-op-linux-92b5bf989547b36c75231e4c24d0e2c351d3a0bc.tar.gz
blackbird-op-linux-92b5bf989547b36c75231e4c24d0e2c351d3a0bc.zip
sata: xgene: add ACPI support for APM X-Gene SATA ports
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@apm.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci_xgene.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 2e8bb603e447..2b78510d94dd 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),
},
};
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