linux-kernel - [PATCH] agp: remove unused variable arqsz in agp_3_5

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Message-ID: <0cb8770b-70eb-575b-edf7-6ae771a0baa0@huawei.com>
Date:   Tue, 17 Dec 2019 20:22:57 +0800
From:   Yunfeng Ye <yeyunfeng@...wei.com>
To:     <airlied@...ux.ie>, Arnd Bergmann <arnd@...db.de>,
        <gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>,
        "hushiyuan@...wei.com" <hushiyuan@...wei.com>,
        "linfeilong@...wei.com" <linfeilong@...wei.com>
Subject: [PATCH] agp: remove unused variable arqsz in agp_3_5_enable()

This patch fix the following warning:
drivers/char/agp/isoch.c: In function ‘agp_3_5_enable’:
drivers/char/agp/isoch.c:322:13: warning: variable ‘arqsz’ set but not
used [-Wunused-but-set-variable]
  u32 isoch, arqsz;
             ^~~~~

Signed-off-by: Yunfeng Ye <yeyunfeng@...wei.com>
---
 drivers/char/agp/isoch.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index 324992439ee8..7ecf20a6d19c 100644
--- a/drivers/char/agp/isoch.c
+++ b/drivers/char/agp/isoch.c
@@ -314,7 +314,7 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
 {
 	struct pci_dev *td = bridge->dev, *dev = NULL;
 	u8 mcapndx;
-	u32 isoch, arqsz;
+	u32 isoch;
 	u32 tstatus, mstatus, ncapid;
 	u32 mmajor;
 	u16 mpstat;
@@ -329,8 +329,6 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
 	if (isoch == 0)	/* isoch xfers not available, bail out. */
 		return -ENODEV;

-	arqsz     = (tstatus >> 13) & 0x7;
-
 	/*
 	 * Allocate a head for our AGP 3.5 device list
 	 * (multiple AGP v3 devices are allowed behind a single bridge).
-- 
2.7.4