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authorDavid Fries <David@Fries.net>2014-01-15 22:29:16 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-07 15:40:17 -0800
commit3c6955e5aa2a7ebf18a44486be6a7f047811650b (patch)
treeb9365215e9e5421e24e111a6b3e792af1ade73d9 /drivers/w1/w1.h
parenta16130569af7e92b0a68a8c96170d84756f91c47 (diff)
downloadlinux-3c6955e5aa2a7ebf18a44486be6a7f047811650b.tar.gz
w1: continue slave search where previous left off
Search will detect at most max_slave_count devices per run, if there
are more pick up the next search where the previous left off.

Signed-off-by: David Fries <David@Fries.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1/w1.h')
-rw-r--r--drivers/w1/w1.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h
index bd10b3c2a406..80fbdf908919 100644
--- a/drivers/w1/w1.h
+++ b/drivers/w1/w1.h
@@ -150,6 +150,7 @@ struct w1_bus_master
 
 	/** Really nice hardware can handles the different types of ROM search
 	 *  w1_master* is passed to the slave found callback.
+	 *  u8 is search_type, W1_SEARCH or W1_ALARM_SEARCH
 	 */
 	void		(*search)(void *, struct w1_master *,
 		u8, w1_slave_found_callback);
@@ -177,6 +178,8 @@ struct w1_master
 	int			initialized;
 	u32			id;
 	int			search_count;
+	/* id to start searching on, to continue a search or 0 to restart */
+	u64			search_id;
 
 	atomic_t		refcnt;