[PATCH] 2.5.24 : drivers/scsi/dpt_i2o.c (DMA Rev. 2)

From: Frank Davis (fdavis@si.rr.com)
Date: Mon Jun 24 2002 - 12:23:14 EST

Hello all,
  I've added the check for 64-bit DMA addressing per Rick's comment.
Regards,
Frank

--- drivers/scsi/dpt_i2o.c.old Mon Jun 10 12:18:59 2002
+++ drivers/scsi/dpt_i2o.c Mon Jun 24 13:18:03 2002
@@ -879,6 +879,21 @@
         if(pci_enable_device(pDev)) {
                 return -EINVAL;
         }
+ int using_dac;
+
+ if(!pci_set_dma_mask(pDev, 0xffffffffffffffff))
+ {
+ using_dac = 1;
+ printk("dpt_i2o : Using 64-bit DMA addressing\n");
+
+ }else if(!pci_set_dma_mask(pDev, 0xffffffff))
+ {
+ using_dac = 0;
+ printk("dpt_i2o : Using 32-bit DMA addressing\n");
+
+ }else {
+ printk(KERN_WARNING "dpt_i2o : No suitable DMA available\n");
+ }
         pci_set_master(pDev);
 
         base_addr0_phys = pci_resource_start(pDev,0);

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This archive was generated by hypermail 2b29 : Sun Jun 30 2002 - 22:00:08 EST