On Wed, Sep 30, 2020 at 05:53:20PM +0300, Dmitry Osipenko wrote:
> ...
> > +#ifdef CONFIG_PCI
> > + if (!iommu_present(&pci_bus_type)) {
>
>
> In the previous reply you said that you're borrowing this check from the
> arm-smmu driver, but arm-smmu also has a similar check for
> platform_bus_type, while Tegra SMMU driver doesn't have it. Hence I'm
> objecting the necessity of having this check.
>
> Please give a rationale for having this check in the code. And please
> note that cargo cult isn't a rationale to me.
Okay, okay....I will remove it upon testing.
