[PATCH v6 25/33] iommu/mediatek: Move geometry.aperture updating into domain_finalise
From: Yong Wu <yong.wu@mediatek.com>
Date: 2021-01-11 11:24:25
Also in:
linux-arm-kernel, linux-devicetree, linux-iommu, lkml
Subsystem:
iommu subsystem, mediatek iommu driver, the rest · Maintainers:
Joerg Roedel, Will Deacon, Yong Wu, Linus Torvalds
Move the domain geometry.aperture updating into domain_finalise. This is a preparing patch for updating the domain region. We know the detailed iova region in the attach_device. Signed-off-by: Yong Wu <yong.wu@mediatek.com> --- drivers/iommu/mtk_iommu.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index d321d09ac4c2..309b06d5e1f9 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c@@ -353,6 +353,10 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, /* Update our support page sizes bitmap */ dom->domain.pgsize_bitmap = dom->cfg.pgsize_bitmap; + + dom->domain.geometry.aperture_start = 0; + dom->domain.geometry.aperture_end = DMA_BIT_MASK(32); + dom->domain.geometry.force_aperture = true; return 0; }
@@ -372,9 +376,6 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type) return NULL; } - dom->domain.geometry.aperture_start = 0; - dom->domain.geometry.aperture_end = DMA_BIT_MASK(32); - dom->domain.geometry.force_aperture = true; return &dom->domain; }
--
2.18.0
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