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author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-01-19 02:16:57 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-01-19 02:16:57 +0300 |
commit | 0dde2bf67bcf37f54c829c6c42fa8c4fca78a224 (patch) | |
tree | 09d380b93df127e616dccd47bf683b4cef76e811 /drivers/iommu/arm/arm-smmu/qcom_iommu.c | |
parent | e7ded27593bf0aff08d18258251e3de0a2697f47 (diff) | |
parent | 75f74f85a42eb294b657f847c33e1bb7921dbec9 (diff) | |
download | linux-0dde2bf67bcf37f54c829c6c42fa8c4fca78a224.tar.xz |
Merge tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
"Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups
ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm
SMMU implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups
Intel VT-d driver:
- Cleanup and refactoring
AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements
Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588
Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups
Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes"
* tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
iommu: Don't reserve 0-length IOVA region
iommu/vt-d: Move inline helpers to header files
iommu/vt-d: Remove unused vcmd interfaces
iommu/vt-d: Remove unused parameter of intel_pasid_setup_pass_through()
iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
iommu/sva: Fix memory leak in iommu_sva_bind_device()
dt-bindings: iommu: rockchip: Add Rockchip RK3588
iommu/dma: Trace bounce buffer usage when mapping buffers
iommu/arm-smmu: Convert to domain_alloc_paging()
iommu/arm-smmu: Pass arm_smmu_domain to internal functions
iommu/arm-smmu: Implement IOMMU_DOMAIN_BLOCKED
iommu/arm-smmu: Convert to a global static identity domain
iommu/arm-smmu: Reorganize arm_smmu_domain_add_master()
iommu/arm-smmu-v3: Remove ARM_SMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Master cannot be NULL in arm_smmu_write_strtab_ent()
iommu/arm-smmu-v3: Add a type for the STE
iommu/arm-smmu-v3: disable stall for quiet_cd
iommu/qcom: restore IOMMU state if needed
iommu/arm-smmu-qcom: Add QCM2290 MDSS compatible
iommu/arm-smmu-qcom: Add missing GMU entry to match table
...
Diffstat (limited to 'drivers/iommu/arm/arm-smmu/qcom_iommu.c')
-rw-r--r-- | drivers/iommu/arm/arm-smmu/qcom_iommu.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c index 97b2122032b2..17a1c163fef6 100644 --- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c +++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c @@ -79,16 +79,6 @@ static struct qcom_iommu_domain *to_qcom_iommu_domain(struct iommu_domain *dom) static const struct iommu_ops qcom_iommu_ops; -static struct qcom_iommu_dev * to_iommu(struct device *dev) -{ - struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); - - if (!fwspec || fwspec->ops != &qcom_iommu_ops) - return NULL; - - return dev_iommu_priv_get(dev); -} - static struct qcom_iommu_ctx * to_ctx(struct qcom_iommu_domain *d, unsigned asid) { struct qcom_iommu_dev *qcom_iommu = d->iommu; @@ -372,7 +362,7 @@ static void qcom_iommu_domain_free(struct iommu_domain *domain) static int qcom_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) { - struct qcom_iommu_dev *qcom_iommu = to_iommu(dev); + struct qcom_iommu_dev *qcom_iommu = dev_iommu_priv_get(dev); struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain); int ret; @@ -404,7 +394,7 @@ static int qcom_iommu_identity_attach(struct iommu_domain *identity_domain, struct iommu_domain *domain = iommu_get_domain_for_dev(dev); struct qcom_iommu_domain *qcom_domain; struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); - struct qcom_iommu_dev *qcom_iommu = to_iommu(dev); + struct qcom_iommu_dev *qcom_iommu = dev_iommu_priv_get(dev); unsigned int i; if (domain == identity_domain || !domain) @@ -535,7 +525,7 @@ static bool qcom_iommu_capable(struct device *dev, enum iommu_cap cap) static struct iommu_device *qcom_iommu_probe_device(struct device *dev) { - struct qcom_iommu_dev *qcom_iommu = to_iommu(dev); + struct qcom_iommu_dev *qcom_iommu = dev_iommu_priv_get(dev); struct device_link *link; if (!qcom_iommu) @@ -900,8 +890,16 @@ static void qcom_iommu_device_remove(struct platform_device *pdev) static int __maybe_unused qcom_iommu_resume(struct device *dev) { struct qcom_iommu_dev *qcom_iommu = dev_get_drvdata(dev); + int ret; + + ret = clk_bulk_prepare_enable(CLK_NUM, qcom_iommu->clks); + if (ret < 0) + return ret; + + if (dev->pm_domain) + return qcom_scm_restore_sec_cfg(qcom_iommu->sec_id, 0); - return clk_bulk_prepare_enable(CLK_NUM, qcom_iommu->clks); + return ret; } static int __maybe_unused qcom_iommu_suspend(struct device *dev) |