Commit 38b9a919 authored Sep 16, 2015 by Chintan Pandya

iommu: msm: Fix the tough checks in get_attr



Dynamic domains will never be _properly_ attached
to any CB. That means, we cannot get a hold on CB
given a dynamic domain. And that is fine. So, don't
restrict clients to get TTBR0 and CONTEXTIDR from
dynamic domain.

Change-Id: I9a28819d6ab1281e4dd1a5e870a773bbab37ec40
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>

parent c025b09c

drivers/iommu/msm_iommu-v1.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -1864,17 +1864,11 @@ static int msm_iommu_domain_get_attr(struct iommu_domain *domain,
		((unsigned int ) data) = ctx_drvdata->num;
		break;
		case DOMAIN_ATTR_TTBR0:
		if (!ctx_drvdata)
		return -ENODEV;

		ttbr0 = get_full_ttbr0(priv);

		((u64 )data) = ttbr0;
		break;
		case DOMAIN_ATTR_CONTEXTIDR:
		if (!ctx_drvdata)
		return -ENODEV;

		if (IS_CB_FORMAT_LONG)
		ctxidr = priv->procid;
		else