diff options
Diffstat (limited to 'arch/arm/plat-omap/iommu.c')
| -rw-r--r-- | arch/arm/plat-omap/iommu.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index c0ff1e39d89..0e137663349 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -1,7 +1,7 @@ /* * omap iommu: tlb and pagetable primitives * - * Copyright (C) 2008-2009 Nokia Corporation + * Copyright (C) 2008-2010 Nokia Corporation * * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>, * Paul Mundt and Toshihiro Kobayashi @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/clk.h> @@ -646,7 +647,7 @@ static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da) if (*iopte & IOPTE_LARGE) { nent *= 16; /* rewind to the 1st entry */ - iopte = (u32 *)((u32)iopte & IOLARGE_MASK); + iopte = iopte_offset(iopgd, (da & IOLARGE_MASK)); } bytes *= nent; memset(iopte, 0, nent * sizeof(*iopte)); @@ -667,7 +668,7 @@ static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da) if ((*iopgd & IOPGD_SUPER) == IOPGD_SUPER) { nent *= 16; /* rewind to the 1st entry */ - iopgd = (u32 *)((u32)iopgd & IOSUPER_MASK); + iopgd = iopgd_offset(obj, (da & IOSUPER_MASK)); } bytes *= nent; } @@ -827,7 +828,7 @@ EXPORT_SYMBOL_GPL(iommu_get); **/ void iommu_put(struct iommu *obj) { - if (!obj && IS_ERR(obj)) + if (!obj || IS_ERR(obj)) return; mutex_lock(&obj->iommu_lock); |