[PATCH v10 2/5] iommu/arm-smmu: ioremap smmu mmio region before implementation init

From: Krishna Reddy
Date: Wed Jul 08 2020 - 01:00:35 EST


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@xxxxxxxxxx>
---
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++;
--
2.26.2