Linux SPI subsystem development
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From: Wei Yongjun <weiyj.lk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Wei Yongjun <weiyj.lk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH -next] spi: pic32-sqi: use list_move_tail and list_move
Date: Thu, 28 Jul 2016 16:19:47 +0000	[thread overview]
Message-ID: <1469722787-15413-1-git-send-email-weiyj.lk@gmail.com> (raw)

Using list_move_tail() and list_move() to simplify the code.

Signed-off-by: Wei Yongjun <weiyj.lk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 drivers/spi/spi-pic32-sqi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi-pic32-sqi.c b/drivers/spi/spi-pic32-sqi.c
index c41abdd..bd1c6b5 100644
--- a/drivers/spi/spi-pic32-sqi.c
+++ b/drivers/spi/spi-pic32-sqi.c
@@ -253,15 +253,13 @@ static struct ring_desc *ring_desc_get(struct pic32_sqi *sqi)
 		return NULL;
 
 	rdesc = list_first_entry(&sqi->bd_list_free, struct ring_desc, list);
-	list_del(&rdesc->list);
-	list_add_tail(&rdesc->list, &sqi->bd_list_used);
+	list_move_tail(&rdesc->list, &sqi->bd_list_used);
 	return rdesc;
 }
 
 static void ring_desc_put(struct pic32_sqi *sqi, struct ring_desc *rdesc)
 {
-	list_del(&rdesc->list);
-	list_add(&rdesc->list, &sqi->bd_list_free);
+	list_move(&rdesc->list, &sqi->bd_list_free);
 }
 
 static int pic32_sqi_one_transfer(struct pic32_sqi *sqi,



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             reply	other threads:[~2016-07-28 16:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-28 16:19 Wei Yongjun [this message]
     [not found] ` <1469722787-15413-1-git-send-email-weiyj.lk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-07-28 19:56   ` Applied "spi: pic32-sqi: use list_move_tail and list_move" to the spi tree Mark Brown

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