diff options
| author | Krishna Reddy <vdumpa@nvidia.com> | 2020-07-18 22:34:54 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-07-20 11:30:50 +0300 |
| commit | 6c019f4e697ebed2225b20cc5d6276673834853d (patch) | |
| tree | fb429f92e8b90ba66200fd4eee1eeef9959499b3 /drivers/iommu/arm-smmu.c | |
| parent | cd8479cf0de9d1950b51032a216fbf630f8542a4 (diff) | |
| download | linux-6c019f4e697ebed2225b20cc5d6276673834853d.tar.xz | |
iommu/arm-smmu: ioremap smmu mmio region before implementation init
ioremap smmu mmio region before calling into implementation init.
This is necessary to allow mapped address available during vendor
specific implementation init.
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Nicolin Chen <nicoleotsuka@gmail.com>
Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Link: https://lore.kernel.org/r/20200718193457.30046-3-vdumpa@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/arm-smmu.c')
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index cdd15ead9bc4..de520115d3df 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -2123,10 +2123,6 @@ static int arm_smmu_device_probe(struct platform_device *pdev) if (err) return err; - smmu = arm_smmu_impl_init(smmu); - if (IS_ERR(smmu)) - return PTR_ERR(smmu); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ioaddr = res->start; smmu->base = devm_ioremap_resource(dev, res); @@ -2138,6 +2134,10 @@ static int arm_smmu_device_probe(struct platform_device *pdev) */ smmu->numpage = resource_size(res); + smmu = arm_smmu_impl_init(smmu); + if (IS_ERR(smmu)) + return PTR_ERR(smmu); + num_irqs = 0; while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, num_irqs))) { num_irqs++; |