linux-kernel - [PATCH 7/19] au1xxx-ide: remove dead code

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Date:	Fri, 12 Jan 2007 05:26:52 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 7/19] au1xxx-ide: remove dead code

[PATCH] au1xxx-ide: remove dead code

'speed' is always equal to 'mode' when ide_config_drive_speed() is called

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>

---
 drivers/ide/mips/au1xxx-ide.c |   15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

Index: a/drivers/ide/mips/au1xxx-ide.c
===================================================================
--- a.orig/drivers/ide/mips/au1xxx-ide.c
+++ a/drivers/ide/mips/au1xxx-ide.c
@@ -181,12 +181,6 @@ static int auide_tune_chipset (ide_drive
 {
 	int mem_sttime;
 	int mem_stcfg;
-	unsigned long mode;
-
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-	if (ide_use_dma(drive))
-		mode = ide_dma_speed(drive, 0);
-#endif
 
 	mem_sttime = 0;
 	mem_stcfg  = au_readl(MEM_STCFG2);
@@ -195,7 +189,7 @@ static int auide_tune_chipset (ide_drive
 		auide_tune_drive(drive, speed - XFER_PIO_0);
 		return 0;
 	}
-	      
+
 	switch(speed) {
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 	case XFER_MW_DMA_2:
@@ -207,7 +201,6 @@ static int auide_tune_chipset (ide_drive
 		mem_stcfg &= ~TOECS_MASK;
 		mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
 
-		mode = XFER_MW_DMA_2;
 		break;
 	case XFER_MW_DMA_1:
 		mem_sttime = SBC_IDE_TIMING(MDMA1);
@@ -218,7 +211,6 @@ static int auide_tune_chipset (ide_drive
 		mem_stcfg &= ~TOECS_MASK;
 		mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
 
-		mode = XFER_MW_DMA_1;
 		break;
 	case XFER_MW_DMA_0:
 		mem_sttime = SBC_IDE_TIMING(MDMA0);
@@ -229,14 +221,13 @@ static int auide_tune_chipset (ide_drive
 		mem_stcfg &= ~TOECS_MASK;
 		mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
 
-		mode = XFER_MW_DMA_0;
 		break;
 #endif
 	default:
 		return 1;
 	}
-	
-	if (ide_config_drive_speed(drive, mode))
+
+	if (ide_config_drive_speed(drive, speed))
 		return 1;
 
 	au_writel(mem_sttime,MEM_STTIME2);
-
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