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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>
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1 changed files with 4 additions and 4 deletions
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@ -2123,10 +2123,6 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
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if (err)
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return err;
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smmu = arm_smmu_impl_init(smmu);
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if (IS_ERR(smmu))
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return PTR_ERR(smmu);
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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ioaddr = res->start;
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smmu->base = devm_ioremap_resource(dev, res);
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@ -2138,6 +2134,10 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
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*/
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smmu->numpage = resource_size(res);
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smmu = arm_smmu_impl_init(smmu);
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if (IS_ERR(smmu))
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return PTR_ERR(smmu);
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num_irqs = 0;
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while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, num_irqs))) {
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num_irqs++;
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