From: mike.miller@hp.com Date: Fri, 10 Jun 2005 19:51:04 +0000 (-0500) Subject: [SCSI] cciss 2.6 DMA mapping X-Git-Tag: v2.6.13-rc1~90^2~583^2~62^2^2~19 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb0df9962d97f7156a0870aced9018bf5c8f54c1;p=linux-2.6 [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 Signed-off-by: James Bottomley --- diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 8f7c1a1ed7..abde27027c 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -41,6 +41,7 @@ #include #include +#include #include #include #include @@ -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");