linux-kernel - [PATCH 1/1] ide: remove unused local variable 'sitre'

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Date:   Thu, 8 Apr 2021 09:54:51 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
        linux-ide <linux-ide@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] ide: remove unused local variable 'sitre'

Fixes the following W=1 kernel build warning:

drivers/ide/piix.c: In function ‘piix_set_dma_mode’:
drivers/ide/piix.c:146:8: warning: variable ‘sitre’ set but not used [-Wunused-but-set-variable]

Fixes: 2bfba3c444fe ("ide: remove useless subdirs from drivers/ide/")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/ide/piix.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index a671cead6ae72b7..b512d2dc9108cf6 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -143,13 +143,11 @@ static void piix_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 	int v_flag		= 0x01 << drive->dn;
 	int w_flag		= 0x10 << drive->dn;
 	int u_speed		= 0;
-	int			sitre;
 	u16			reg4042, reg4a;
 	u8			reg48, reg54, reg55;
 	const u8 speed		= drive->dma_mode;
 
 	pci_read_config_word(dev, maslave, &reg4042);
-	sitre = (reg4042 & 0x4000) ? 1 : 0;
 	pci_read_config_byte(dev, 0x48, &reg48);
 	pci_read_config_word(dev, 0x4a, &reg4a);
 	pci_read_config_byte(dev, 0x54, &reg54);
-- 
1.8.3