[PATCH 1/1] omap: iommu: remove obsolete comments
From: Hiroshi DOYU <hidden>
Date: 2011-08-18 10:13:53
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
Remove ones referring to non-existing functions. Signed-off-by: Hiroshi DOYU <redacted> --- drivers/iommu/omap-iovmm.c | 36 +----------------------------------- 1 files changed, 1 insertions(+), 35 deletions(-)
diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c
index 81b713a..2db655c 100644
--- a/drivers/iommu/omap-iovmm.c
+++ b/drivers/iommu/omap-iovmm.c@@ -1,7 +1,7 @@ /* * omap iommu: simple virtual address space management * - * Copyright (C) 2008-2009 Nokia Corporation + * Copyright (C) 2008-2009, 2011 Nokia Corporation * * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> *
@@ -25,40 +25,6 @@ #include <plat/iopgtable.h> -/* - * A device driver needs to create address mappings between: - * - * - iommu/device address - * - physical address - * - mpu virtual address - * - * There are 4 possible patterns for them: - * - * |iova/ mapping iommu_ page - * | da pa va (d)-(p)-(v) function type - * --------------------------------------------------------------------------- - * 1 | c c c 1 - 1 - 1 _kmap() / _kunmap() s - * 2 | c c,a c 1 - 1 - 1 _kmalloc()/ _kfree() s - * 3 | c d c 1 - n - 1 _vmap() / _vunmap() s - * 4 | c d,a c 1 - n - 1 _vmalloc()/ _vfree() n* - * - * - * 'iova': device iommu virtual address - * 'da': alias of 'iova' - * 'pa': physical address - * 'va': mpu virtual address - * - * 'c': contiguous memory area - * 'd': discontiguous memory area - * 'a': anonymous memory allocation - * '()': optional feature - * - * 'n': a normal page(4KB) size is used. - * 's': multiple iommu superpage(16MB, 1MB, 64KB, 4KB) size is used. - * - * '*': not yet, but feasible. - */ - static struct kmem_cache *iovm_area_cachep; /* return total bytes of sg buffers */
--
1.7.1