ide: use 'drive->dn & 1' instead of drive->select.b.unit

[mv-sheeva.git] / drivers / ide / pci / sc1200.c

diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 50405ed6f0cbc74056f1b9c349077f98ad0cbd75..79eeeadad6559a2d92f37d28949d5ac51530c177 100644 (file)
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -126,7 +126,6 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode)
 {
        ide_hwif_t              *hwif = HWIF(drive);
        struct pci_dev          *dev = to_pci_dev(hwif->dev);
-       int                     unit = drive->select.b.unit;
        unsigned int            reg, timings;
        unsigned short          pci_clock;
        unsigned int            basereg = hwif->channel ? 0x50 : 0x40;
@@ -155,7 +154,7 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode)
        else
                timings = mwdma_timing[pci_clock][mode - XFER_MW_DMA_0];
 
-       if (unit == 0) {                        /* are we configuring drive0? */
+       if ((drive->dn & 1) == 0) {
                pci_read_config_dword(dev, basereg + 4, &reg);
                timings |= reg & 0x80000000;    /* preserve PIO format bit */
                pci_write_config_dword(dev, basereg + 4, timings);