[PATCH v11 2/5] iommu/arm-smmu: ioremap smmu mmio region before implementation init

[Krishna Reddy]

ioremap smmu mmio region before calling into implementation init.
This is necessary to allow mapped address available during vendor
specific implementation init.

Reviewed-by: Jon Hunter <jonathanh at nvidia.com>
Reviewed-by: Nicolin Chen <nicoleotsuka at gmail.com>
Reviewed-by: Pritesh Raithatha <praithatha at nvidia.com>
Reviewed-by: Robin Murphy <robin.murphy at arm.com>
Reviewed-by: Thierry Reding <thierry.reding at gmail.com>
Signed-off-by: Krishna Reddy <vdumpa at 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 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++;
-- 
2.26.2