On Fri, Sep 11, 2020 at 12:16:41AM -0700, Nicolin Chen wrote:
> PAGE_SHIFT and PAGE_MASK are defined corresponding to the page size
> for CPU virtual addresses, which means PAGE_SHIFT could be a number
> other than 12, but tegra-smmu maintains fixed 4KB IOVA pages and has
> fixed [21:12] bit range
PAGE_SHIFT and PAGE_MASK are defined corresponding to the page size
for CPU virtual addresses, which means PAGE_SHIFT could be a number
other than 12, but tegra-smmu maintains fixed 4KB IOVA pages and has
fixed [21:12] bit range for PTE entries.
So this patch replaces all PAGE_SHIFT/PAGE_MASK refe
