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| author |   Ohad Ben-Cohen <ohad@wizery.com> | 2011-06-08 09:06:11 +0300 |
|---|---|---|
| committer | Ohad Ben-Cohen <ohad@wizery.com> | 2011-07-04 15:07:58 +0300 |
| commit | 66cf402bd911d3874f986156d0bee8b943b71e7c (patch) | |
| tree | 5fb35383e4c031d2f31308756b6a6d5f7cd07d67 | |
| parent | omap: iommu: fix pte programming (diff) | |
| download | linux-dev-66cf402bd911d3874f986156d0bee8b943b71e7c.tar.xz linux-dev-66cf402bd911d3874f986156d0bee8b943b71e7c.zip | |
omap: iovmm: s/sg_dma_len(sg)/sg->length/
iovmm is erroneously using sg_dma_len with unmapped (DMA API-wise)
SG entries, and will break if CONFIG_NEED_SG_DMA_LENGTH is enabled.
Fix that by using sg->length instead.
Reported-by: Russell King <linux@arm.linux.org.uk>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
| -rw-r--r-- | arch/arm/plat-omap/iovmm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 51ef43e8def6..a45962813521 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -72,7 +72,7 @@ static size_t sgtable_len(const struct sg_table *sgt) for_each_sg(sgt->sgl, sg, sgt->nents, i) { size_t bytes; - bytes = sg_dma_len(sg); + bytes = sg->length; if (!iopgsz_ok(bytes)) { pr_err("%s: sg[%d] not iommu pagesize(%x)\n", @@ -198,7 +198,7 @@ static void *vmap_sg(const struct sg_table *sgt) int err; pa = sg_phys(sg); - bytes = sg_dma_len(sg); + bytes = sg->length; BUG_ON(bytes != PAGE_SIZE); @@ -476,7 +476,7 @@ static int map_iovm_area(struct iommu *obj, struct iovm_struct *new, struct iotlb_entry e; pa = sg_phys(sg); - bytes = sg_dma_len(sg); + bytes = sg->length; flags &= ~IOVMF_PGSZ_MASK; pgsz = bytes_to_iopgsz(bytes); |