diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-08-20 22:42:56 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-08-20 22:42:56 +0200 |
| commit | e98d6e50be87c1ad2df81f73c7442cf631d6f931 (patch) | |
| tree | 111a6349924c3dbe37baac19d002faca26610d3c /drivers/ide | |
| parent | 01cc643ae3c7de35b63989b7b65e3ef3132e48e4 (diff) | |
| download | lwn-e98d6e50be87c1ad2df81f73c7442cf631d6f931.tar.gz lwn-e98d6e50be87c1ad2df81f73c7442cf631d6f931.zip | |
pdc202xx_old: 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: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/pci/pdc202xx_old.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index fbcb0bb9c956..e19a891171cb 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/pdc202xx_old.c Version 0.50 Mar 3, 2007 + * linux/drivers/ide/pci/pdc202xx_old.c Version 0.51 Jul 27, 2007 * * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 2006-2007 MontaVista Software, Inc. @@ -337,15 +337,18 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif) hwif->speedproc = &pdc202xx_tune_chipset; + hwif->err_stops_fifo = 1; + hwif->drives[0].autotune = hwif->drives[1].autotune = 1; + if (hwif->dma_base == 0) + return; + hwif->ultra_mask = hwif->cds->udma_mask; hwif->mwdma_mask = 0x07; hwif->swdma_mask = 0x07; hwif->atapi_dma = 1; - hwif->err_stops_fifo = 1; - hwif->ide_dma_check = &pdc202xx_config_drive_xfer_rate; hwif->dma_lost_irq = &pdc202xx_dma_lost_irq; hwif->dma_timeout = &pdc202xx_dma_timeout; |