triflex: add missing ->dma_base check

If ->dma_base is not set (== PCI BAR4 cannot be reserved) then DMA hooks
shouldn't be initialized or bad things will happen.
Acked-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent e98d6e50
......@@ -115,6 +115,9 @@ static void __devinit init_hwif_triflex(ide_hwif_t *hwif)
hwif->tuneproc = &triflex_tune_drive;
hwif->speedproc = &triflex_tune_chipset;
if (hwif->dma_base == 0)
return;
hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
......
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