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sata: xgene: add ACPI support for APM X-Gene SATA ports

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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>
This commit is contained in:
Feng Kan 2015-03-18 17:03:55 -07:00 committed by Tejun Heo
parent 3661aa99d8
commit 92b5bf9895
1 changed files with 10 additions and 0 deletions
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10
drivers/ata/ahci_xgene.c
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@ -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 @@ static int xgene_ahci_probe(struct platform_device *pdev)
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),
},
};