diff options
Diffstat (limited to 'drivers/scsi/aacraid')
| -rw-r--r-- | drivers/scsi/aacraid/comminit.c | 26 |
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) { |