fix-hdq-child-attach-callback.patch

Along the same lines as FIQ, HDQ can have children in device tree terms too.
Allow the same kind of callback in machine-specific code

Signed-off-by: Andy Green <andy@openmoko.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/gta02_hdq.h b/include/linux/gta02_hdq.h
index 2f43a62e1f0..ae0c70e24eb 100644
--- a/include/linux/gta02_hdq.h
+++ b/include/linux/gta02_hdq.h
@@ -1,6 +1,16 @@
 #ifndef __GTA02HDQ_H__
 #define __GTA02HDQ_H__
 
+/* platform data */
+
+struct gta02_hdq_platform_data {
+	/*
+	 * give an opportunity to use us as parent for
+	 * devices that depend on us
+	 */
+	void (*attach_child_devices)(struct device *parent_device);
+};
+
 int gta02hdq_read(int address);
 int gta02hdq_write(int address, u8 data);
 int gta02hdq_initialized(void);