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| author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2021-06-18 18:20:56 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-06-25 16:02:43 +0300 |
| commit | db59e1b6e49201beacdbd0622aa3594f2de4f727 (patch) | |
| tree | 8d682bd3964e91703eefb9b3047dc57fe212a335 /include/linux/acpi_iort.h | |
| parent | 8124c8a6b35386f73523d27eacb71b5364a68c4c (diff) | |
| download | linux-db59e1b6e49201beacdbd0622aa3594f2de4f727.tar.xz | |
ACPI: arm64: Move DMA setup operations out of IORT
Extract generic DMA setup code out of IORT, so it can be reused by VIOT.
Keep it in drivers/acpi/arm64 for now, since it could break x86
platforms that haven't run this code so far, if they have invalid
tables.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20210618152059.1194210-2-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/acpi_iort.h')
| -rw-r--r-- | include/linux/acpi_iort.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h index 1a12baa58e40..f7f054833afd 100644 --- a/include/linux/acpi_iort.h +++ b/include/linux/acpi_iort.h @@ -34,7 +34,7 @@ struct irq_domain *iort_get_device_domain(struct device *dev, u32 id, void acpi_configure_pmsi_domain(struct device *dev); int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id); /* IOMMU interface */ -void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size); +int iort_dma_get_ranges(struct device *dev, u64 *size); const struct iommu_ops *iort_iommu_configure_id(struct device *dev, const u32 *id_in); int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head); @@ -48,8 +48,8 @@ static inline struct irq_domain *iort_get_device_domain( { return NULL; } static inline void acpi_configure_pmsi_domain(struct device *dev) { } /* IOMMU interface */ -static inline void iort_dma_setup(struct device *dev, u64 *dma_addr, - u64 *size) { } +static inline int iort_dma_get_ranges(struct device *dev, u64 *size) +{ return -ENODEV; } static inline const struct iommu_ops *iort_iommu_configure_id( struct device *dev, const u32 *id_in) { return NULL; } |