From a2710e79243f81b0a203eb04a311c8db07b919cb Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Wed, 19 Nov 2008 17:11:07 +0000
Subject: 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>
---
 drivers/power/gta02_hdq.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'drivers/power')

diff --git a/drivers/power/gta02_hdq.c b/drivers/power/gta02_hdq.c
index 89fd3fa8b4f..ac52ea8be4c 100644
--- a/drivers/power/gta02_hdq.c
+++ b/drivers/power/gta02_hdq.c
@@ -16,6 +16,7 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <mach/hardware.h>
+#include <linux/gta02_hdq.h>
 #include <asm/mach-types.h>
 #include <mach/gta02.h>
 #include <mach/fiq_ipc_gta02.h>
@@ -205,8 +206,9 @@ static int __init gta02hdq_probe(struct platform_device *pdev)
 {
 	struct resource *r = platform_get_resource(pdev, 0, 0);
 	int ret;
-	
-	if (!machine_is_neo1973_gta02()) 
+	struct gta02_hdq_platform_data *pdata = pdev->dev.platform_data;
+
+	if (!machine_is_neo1973_gta02())
 		return -EIO;
 
 	if (!r)
@@ -233,6 +235,14 @@ static int __init gta02hdq_probe(struct platform_device *pdev)
 
 	fiq_ipc.hdq_probed = 1; /* we are ready to do stuff now */
 
+	/*
+	 * if wanted, users can defer registration of devices
+	 * that depend on HDQ until after we register, and can use our
+	 * device as parent so suspend-resume ordering is correct
+	 */
+	if (pdata->attach_child_devices)
+		(pdata->attach_child_devices)(&pdev->dev);
+
 	return 0;
 }
 
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