On 2020-07-08 06:00, Krishna Reddy wrote:
ioremap smmu mmio region before calling into implementation init. This is necessary to allow mapped address available during vendor specific implementation init.
Reviewed-by: Robin Murphy <robin.mur...@arm.com>
Signed-off-by: Krishna Reddy <vdu...@nvidia.com> --- drivers/iommu/arm-smmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index d2054178df35..e03e873d3bca 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -2120,10 +2120,6 @@ 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); @@ -2135,6 +2131,10 @@ 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++;
_______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
