[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@xxxxxxxxx>
---
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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