diff options
author | James Morris <jmorris@namei.org> | 2011-01-09 23:46:24 +0100 |
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committer | James Morris <jmorris@namei.org> | 2011-01-09 23:46:24 +0100 |
commit | d2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch) | |
tree | 98a3741b4d4b27a48b3c7ea9babe331e539416a8 /arch/arm/plat-omap/iommu.c | |
parent | MAINTAINERS: Add tomoyo-dev-en ML. (diff) | |
parent | Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/... (diff) | |
download | linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.xz linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.zip |
Merge branch 'master' into next
Conflicts:
security/smack/smack_lsm.c
Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au>
Ok'd by Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/arm/plat-omap/iommu.c')
-rw-r--r-- | arch/arm/plat-omap/iommu.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index 6cd151b31bc5..b1107c08da56 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -830,6 +830,28 @@ static int device_match_by_alias(struct device *dev, void *data) } /** + * iommu_set_da_range - Set a valid device address range + * @obj: target iommu + * @start Start of valid range + * @end End of valid range + **/ +int iommu_set_da_range(struct iommu *obj, u32 start, u32 end) +{ + + if (!obj) + return -EFAULT; + + if (end < start || !PAGE_ALIGN(start | end)) + return -EINVAL; + + obj->da_start = start; + obj->da_end = end; + + return 0; +} +EXPORT_SYMBOL_GPL(iommu_set_da_range); + +/** * iommu_get - Get iommu handler * @name: target iommu name **/ @@ -922,6 +944,8 @@ static int __devinit omap_iommu_probe(struct platform_device *pdev) obj->name = pdata->name; obj->dev = &pdev->dev; obj->ctx = (void *)obj + sizeof(*obj); + obj->da_start = pdata->da_start; + obj->da_end = pdata->da_end; mutex_init(&obj->iommu_lock); mutex_init(&obj->mmap_lock); |