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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-11-29 19:27:53 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-12-07 04:05:50 +0400
commitbfecc2b3e34c6751343bacd317c4dfd1d695142c (patch)
tree935103a9c9abf8f15d5a4143907fca0799215267 /drivers/ide
parent24dee1fc99fd6d38fc859d7f6dda1dab21493bef (diff)
downloadlinux-bfecc2b3e34c6751343bacd317c4dfd1d695142c.tar.xz
ACPI / bind: Move acpi_get_child() to drivers/ide/ide-acpi.c
Since drivers/ide/ide-acpi.c is the only remaining user of acpi_get_child(), move that function into that file as a static routine. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-acpi.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 333d4053e727..b6940992a6ff 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -97,6 +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