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-rw-r--r--drivers/ide/ide-acpi.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index d9e1f7c..b694099 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -14,7 +14,6 @@
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
-#include <acpi/acpi.h>
#include <linux/ide.h>
#include <linux/pci.h>
#include <linux/dmi.h>
@@ -98,6 +97,17 @@ bool ide_port_acpi(ide_hwif_t *hwif)
return ide_noacpi == 0 && hwif->acpidata;
}
+static acpi_handle acpi_get_child(acpi_handle handle, u64 addr)
+{
+ struct acpi_device *adev;
+
+ if (!handle || acpi_bus_get_device(handle, &adev))
+ return NULL;
+
+ adev = acpi_find_child_device(adev, addr, false);
+ return adev ? adev->handle : NULL;
+}
+
/**
* ide_get_dev_handle - finds acpi_handle and PCI device.function
* @dev: device to locate
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