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[SCSI] cciss 2.6 DMA mapping 

Patch removes our homegrown DMA masks and uses the ones defined in the kernel.
This patch replaces the broken one I sent in earlier. It has been tested and works. Please discard the first submission.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
mike.miller@hp.com 2005-06-10 14:51:04 -05:00 committed by James Bottomley
parent e431223eca
commit eb0df9962d
1 changed files with 3 additions and 9 deletions
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12
drivers/block/cciss.c
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@ -41,6 +41,7 @@
#include <asm/uaccess.h>
#include <asm/io.h>
#include <linux/dma-mapping.h>
#include <linux/blkdev.h>
#include <linux/genhd.h>
#include <linux/completion.h>
@ -126,8 +127,6 @@ static struct board_type products[] = {
#define MAX_CTLR_ORIG 8
#define CCISS_DMA_MASK 0xFFFFFFFF /* 32 bit DMA */
static ctlr_info_t *hba[MAX_CTLR];
static void do_cciss_request(request_queue_t *q);
@ -2393,11 +2392,6 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
printk(KERN_ERR "cciss: Unable to Enable PCI device\n");
return( -1);
}
if (pci_set_dma_mask(pdev, CCISS_DMA_MASK ) != 0)
{
printk(KERN_ERR "cciss: Unable to set DMA mask\n");
return(-1);
}
subsystem_vendor_id = pdev->subsystem_vendor;
subsystem_device_id = pdev->subsystem_device;
@ -2747,9 +2741,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
hba[i]->pdev = pdev;
/* configure PCI DMA stuff */
if (!pci_set_dma_mask(pdev, 0xffffffffffffffffULL))
if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK))
printk("cciss: using DAC cycles\n");
else if (!pci_set_dma_mask(pdev, 0xffffffff))
else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK))
printk("cciss: not using DAC cycles\n");
else {
printk("cciss: no suitable DMA available\n");