From 3a1203bfa4964550a706fd786df9bcbcd026d8ed Mon Sep 17 00:00:00 2001
From: Victor Colombo <victorcolombo@gmail.com>
Date: Fri, 23 Nov 2018 22:23:11 -0200
Subject: staging:iio:ad2s90: Add comment to device state mutex

Fix the checkpatch.pl issue:
"CHECK: struct mutex definition without comment".

Signed-off-by: Victor Colombo <victorcolombo@gmail.com>
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/staging/iio/resolver/ad2s90.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'drivers/staging/iio')

diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c
index 678351dabe6b..a41f5cb10da5 100644
--- a/drivers/staging/iio/resolver/ad2s90.c
+++ b/drivers/staging/iio/resolver/ad2s90.c
@@ -22,7 +22,7 @@
 #define AD2S90_MAX_SPI_FREQ_HZ  830000
 
 struct ad2s90_state {
-	struct mutex lock;
+	struct mutex lock; /* lock to protect rx buffer */
 	struct spi_device *sdev;
 	u8 rx[2] ____cacheline_aligned;
 };
-- 
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