diff options
| author | Robin Murphy <robin.murphy@arm.com> | 2024-07-02 12:40:48 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-07-04 14:36:03 +0100 |
| commit | 3f7c320916282c26812d70cfe8830abb9e4dc696 (patch) | |
| tree | ee71ccfa4930e832a717fc91f7e3ef1a057d8978 /drivers/acpi/scan.c | |
| parent | e7acc36f26b0b1a71dd068f4afd33d871352d67d (diff) | |
iommu: Resolve fwspec ops automatically
There's no real need for callers to resolve ops from a fwnode in order
to then pass both to iommu_fwspec_init() - it's simpler and more sensible
for that to resolve the ops itself. This in turn means we can centralise
the notion of checking for a present driver, and enforce that fwspecs
aren't allocated unless and until we know they will be usable.
Also use this opportunity to modernise with some "new" helpers that
arrived shortly after this code was first written; the generic
fwnode_handle_get() clears up that ugly get/put mismatch, while
of_fwnode_handle() can now abstract those open-coded dereferences.
Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/0e2727adeb8cd73274425322f2f793561bdc927e.1719919669.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 503773707e01..8d5a589db141 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1577,12 +1577,11 @@ int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) #ifdef CONFIG_IOMMU_API int acpi_iommu_fwspec_init(struct device *dev, u32 id, - struct fwnode_handle *fwnode, - const struct iommu_ops *ops) + struct fwnode_handle *fwnode) { int ret; - ret = iommu_fwspec_init(dev, fwnode, ops); + ret = iommu_fwspec_init(dev, fwnode); if (ret) return ret; @@ -1639,8 +1638,7 @@ static int acpi_iommu_configure_id(struct device *dev, const u32 *id_in) #else /* !CONFIG_IOMMU_API */ int acpi_iommu_fwspec_init(struct device *dev, u32 id, - struct fwnode_handle *fwnode, - const struct iommu_ops *ops) + struct fwnode_handle *fwnode) { return -ENODEV; } |