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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:08 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:08 +0000 |
commit | 1121cef62750fbc3ec1b87f4fcf2cef0f05f23a9 (patch) | |
tree | ba8548f2df113c7da8a46563947536f455f9a1c0 /drivers/iommu/sprd-iommu.c | |
parent | Adding debian version 6.1.76-1. (diff) | |
download | linux-1121cef62750fbc3ec1b87f4fcf2cef0f05f23a9.tar.xz linux-1121cef62750fbc3ec1b87f4fcf2cef0f05f23a9.zip |
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iommu/sprd-iommu.c')
-rw-r--r-- | drivers/iommu/sprd-iommu.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 8261066de..e4358393f 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -152,13 +152,6 @@ static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type) return &dom->domain; } -static void sprd_iommu_domain_free(struct iommu_domain *domain) -{ - struct sprd_iommu_domain *dom = to_sprd_domain(domain); - - kfree(dom); -} - static void sprd_iommu_first_vpn(struct sprd_iommu_domain *dom) { struct sprd_iommu_device *sdev = dom->sdev; @@ -231,6 +224,28 @@ static void sprd_iommu_hw_en(struct sprd_iommu_device *sdev, bool en) sprd_iommu_update_bits(sdev, reg_cfg, mask, 0, val); } +static void sprd_iommu_cleanup(struct sprd_iommu_domain *dom) +{ + size_t pgt_size; + + /* Nothing need to do if the domain hasn't been attached */ + if (!dom->sdev) + return; + + pgt_size = sprd_iommu_pgt_size(&dom->domain); + dma_free_coherent(dom->sdev->dev, pgt_size, dom->pgt_va, dom->pgt_pa); + dom->sdev = NULL; + sprd_iommu_hw_en(dom->sdev, false); +} + +static void sprd_iommu_domain_free(struct iommu_domain *domain) +{ + struct sprd_iommu_domain *dom = to_sprd_domain(domain); + + sprd_iommu_cleanup(dom); + kfree(dom); +} + static int sprd_iommu_attach_device(struct iommu_domain *domain, struct device *dev) { |