On 08/07/2020 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.
>
> 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++;
>
Reviewed-by: Jon Hunter <jonath...@nvidia.com>
Thanks!
Jon
--
nvpublic
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