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>

diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index c7854ea..3c4f71a 100644 (file)
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -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);