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path: root/drivers/scsi/aacraid/comminit.c
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Diffstat (limited to 'drivers/scsi/aacraid/comminit.c')
-rw-r--r--drivers/scsi/aacraid/comminit.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 7cea514e810..1cd3584ba7f 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -92,31 +92,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
init->AdapterFibsPhysicalAddress = cpu_to_le32((u32)phys);
init->AdapterFibsSize = cpu_to_le32(fibsize);
init->AdapterFibAlign = cpu_to_le32(sizeof(struct hw_fib));
- /*
- * number of 4k pages of host physical memory. The aacraid fw needs
- * this number to be less than 4gb worth of pages. num_physpages is in
- * system page units. New firmware doesn't have any issues with the
- * mapping system, but older Firmware did, and had *troubles* dealing
- * with the math overloading past 32 bits, thus we must limit this
- * field.
- *
- * This assumes the memory is mapped zero->n, which isnt
- * always true on real computers. It also has some slight problems
- * with the GART on x86-64. I've btw never tried DMA from PCI space
- * on this platform but don't be surprised if its problematic.
- * [AK: something is very very wrong when a driver tests this symbol.
- * Someone should figure out what the comment writer really meant here and fix
- * the code. Or just remove that bad code. ]
- */
-#ifndef CONFIG_IOMMU
- if ((num_physpages << (PAGE_SHIFT - 12)) <= AAC_MAX_HOSTPHYSMEMPAGES) {
- init->HostPhysMemPages =
- cpu_to_le32(num_physpages << (PAGE_SHIFT-12));
- } else
-#endif
- {
- init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
- }
+ init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
init->InitFlags = 0;
if (dev->new_comm_interface) {