ARM: OMAP2+: DT node Timer iteration fix
authorPantelis Antoniou <panto@antoniou-consulting.com>
Tue, 8 Jan 2013 13:31:42 +0000 (15:31 +0200)
committerTony Lindgren <tony@atomide.com>
Mon, 21 Jan 2013 18:39:53 +0000 (10:39 -0800)
The iterator correctly handles of_node_put() calls.
Remove it before continue'ing the loop.
Without this patch you get the following with
CONFIG_OF_DYNAMIC set:

ERROR: Bad of_node_put() on /ocp/timer@44e31000!
[<c001329c>] (unwind_backtrace+0x0/0xe0) from [<c03dd8f0>] (of_node_release+0x2c/0xa0)!
[<c03dd8f0>] (of_node_release+0x2c/0xa0) from [<c03ddea0>] (of_find_matching_node_and_match+0x78/0x90)!
[<c03ddea0>] (of_find_matching_node_and_match+0x78/0x90) from [<c06d349c>] (omap_get_timer_dt+0x78/0x90)!
[<c06d349c>] (omap_get_timer_dt+0x78/0x90) from [<c06d3664>] (omap_dm_timer_init_one.clone.2+0x34/0x2bc)!
[<c06d3664>] (omap_dm_timer_init_one.clone.2+0x34/0x2bc) from [<c06d3a2c>] (omap2_gptimer_clocksource_init.clone.4+0x24/0xa8)!
[<c06d3a2c>] (omap2_gptimer_clocksource_init.clone.4+0x24/0xa8) from [<c06cca58>] (time_init+0x20/0x30)!
[<c06cca58>] (time_init+0x20/0x30) from [<c06c9690>] (start_kernel+0x1a8/0x2fc)!

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Acked-by: Jon Hunter <jon-hunter@ti.com>
[tony@atomide.com: updated description per Jon]
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/timer.c

index 691aa67..b8ad6e6 100644 (file)
@@ -165,15 +165,11 @@ static struct device_node * __init omap_get_timer_dt(struct of_device_id *match,
        struct device_node *np;
 
        for_each_matching_node(np, match) {
-               if (!of_device_is_available(np)) {
-                       of_node_put(np);
+               if (!of_device_is_available(np))
                        continue;
-               }
 
-               if (property && !of_get_property(np, property, NULL)) {
-                       of_node_put(np);
+               if (property && !of_get_property(np, property, NULL))
                        continue;
-               }
 
                of_add_property(np, &device_disabled);
                return np;