generic, x86: fix add iommu_num_pages helper function
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tue, 29 Jul 2008 04:38:53 +0000 (13:38 +0900)
committerIngo Molnar <mingo@elte.hu>
Tue, 29 Jul 2008 10:12:48 +0000 (12:12 +0200)
commit8978b74253280d59e97cf49a3ec2c0cbccd5b801
tree7cecd6951437f01f541178c1afc14d4e1d2e2b23
parent35780c8ea7ad5c6d5483244d5f5bf37176fda86a
generic, x86: fix add iommu_num_pages helper function

This IOMMU helper function doesn't work for some architectures:

  http://marc.info/?l=linux-kernel&m=121699304403202&w=2

It also breaks POWER and SPARC builds:

  http://marc.info/?l=linux-kernel&m=121730388001890&w=2

Currently, only x86 IOMMUs use this so let's move it to x86 for
now.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/pci-dma.c
include/asm-x86/iommu.h
include/linux/iommu-helper.h
lib/iommu-helper.c