From: Erik Gilling <konkers@android.com>
Date: Fri, 16 Mar 2012 00:46:07 +0000 (-0700)
Subject: sw_sync: add fill_driver_data support
X-Git-Tag: firefly_0821_release~7613^2~131
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ca1900a6c9f396b3c2856b5c3aba3c3e4e4cc95a;p=firefly-linux-kernel-4.4.55.git

sw_sync: add fill_driver_data support

Change-Id: Ib3812d282db56362d82f5ccc9a12b7d2100ab93a
Signed-off-by: Erik Gilling <konkers@android.com>
---

diff --git a/drivers/base/sw_sync.c b/drivers/base/sw_sync.c
index 41beb9eeeb38..21ddf4ffd589 100644
--- a/drivers/base/sw_sync.c
+++ b/drivers/base/sw_sync.c
@@ -86,6 +86,19 @@ static void sw_sync_print_pt(struct seq_file *s, struct sync_pt *sync_pt)
 	seq_printf(s, "%d / %d", pt->value, obj->value);
 }
 
+static int sw_sync_fill_driver_data(struct sync_pt *sync_pt,
+				    void *data, int size)
+{
+	struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
+
+	if (size < sizeof(pt->value))
+		return -ENOMEM;
+
+	memcpy(data, &pt->value, sizeof(pt->value));
+
+	return sizeof(pt->value);
+}
+
 struct sync_timeline_ops sw_sync_timeline_ops = {
 	.driver_name = "sw_sync",
 	.dup = sw_sync_pt_dup,
@@ -93,6 +106,7 @@ struct sync_timeline_ops sw_sync_timeline_ops = {
 	.compare = sw_sync_pt_compare,
 	.print_obj = sw_sync_print_obj,
 	.print_pt = sw_sync_print_pt,
+	.fill_driver_data = sw_sync_fill_driver_data,
 };