linux-kernel - [PATCH] Input: apbps2 - remove useless variable

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Date:   Fri,  9 Apr 2021 17:00:59 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     dmitry.torokhov@...il.com
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] Input: apbps2 - remove useless variable

Fix the following gcc warning:

drivers/input/serio/apbps2.c:106:16: warning: variable ‘tmp’ set but not
used [-Wunused-but-set-variable].

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/input/serio/apbps2.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/input/serio/apbps2.c b/drivers/input/serio/apbps2.c
index 594ac4e..974d7bf 100644
--- a/drivers/input/serio/apbps2.c
+++ b/drivers/input/serio/apbps2.c
@@ -103,7 +103,6 @@ static int apbps2_open(struct serio *io)
 {
 	struct apbps2_priv *priv = io->port_data;
 	int limit;
-	unsigned long tmp;
 
 	/* clear error flags */
 	iowrite32be(0, &priv->regs->status);
@@ -111,7 +110,7 @@ static int apbps2_open(struct serio *io)
 	/* Clear old data if available (unlikely) */
 	limit = 1024;
 	while ((ioread32be(&priv->regs->status) & APBPS2_STATUS_DR) && --limit)
-		tmp = ioread32be(&priv->regs->data);
+		ioread32be(&priv->regs->data);
 
 	/* Enable reciever and it's interrupt */
 	iowrite32be(APBPS2_CTRL_RE | APBPS2_CTRL_RI, &priv->regs->ctrl);
-- 
1.8.3.1