[PATCH 1/9] watchdog: of_xilinx_wdt: Add comment to spinlock

[Srinivas Neeli]

From: Srinivas Goud <srinivas.goud at xilinx.com>

Based on checkpatch every spinlock should be documented.
The patch is fixing this issue:
./scripts/checkpatch.pl --strict -f drivers/watchdog/of_xilinx_wdt.c
CHECK: spinlock_t definition without comment
+	spinlock_t spinlock;

Signed-off-by: Srinivas Goud <srinivas.goud at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
Signed-off-by: Srinivas Neeli <srinivas.neeli at xilinx.com>
---
 drivers/watchdog/of_xilinx_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 7fe4f7c3f7ce..00549164b3d7 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -40,7 +40,7 @@
 struct xwdt_device {
 	void __iomem *base;
 	u32 wdt_interval;
-	spinlock_t spinlock;
+	spinlock_t spinlock; /* spinlock for register handling */
 	struct watchdog_device xilinx_wdt_wdd;
 	struct clk		*clk;
 };
-- 
2.7.4