/*
- * linux/drivers/ide/pci/cs5530.c Version 0.73 Mar 10 2007
+ * linux/drivers/ide/pci/cs5530.c Version 0.74 Jul 28 2007
*
* Copyright (C) 2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2000 Mark Lord <mlord@pobox.com>
return 1;
}
-static int cs5530_tune_chipset(ide_drive_t *drive, u8 mode)
+static int cs5530_tune_chipset(ide_drive_t *drive, const u8 mode)
{
unsigned long basereg;
unsigned int reg, timings = 0;
- mode = ide_rate_filter(drive, mode);
-
/*
* Tell the drive to switch to the new mode; abort on failure.
*/
struct pci_dev *master_0 = NULL, *cs5530_0 = NULL;
unsigned long flags;
+ if (pci_resource_start(dev, 4) == 0)
+ return -EFAULT;
+
dev = NULL;
while ((dev = pci_get_device(PCI_VENDOR_ID_CYRIX, PCI_ANY_ID, dev)) != NULL) {
switch (dev->device) {
/* needs autotuning later */
}
+ if (hwif->dma_base == 0)
+ return;
+
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x07;
hwif->mwdma_mask = 0x07;