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au1xxx-ide: remove dead code 

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

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-02-17 02:40:23 +01:00
parent 572543d8b4
commit a523a1759a
1 changed files with 3 additions and 12 deletions
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15
drivers/ide/mips/au1xxx-ide.c
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@ -181,12 +181,6 @@ static int auide_tune_chipset (ide_drive_t *drive, u8 speed)
{
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_t *drive, u8 speed)
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_t *drive, u8 speed)
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_t *drive, u8 speed)
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_t *drive, u8 speed)
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);