On Thu, May 02, 2019 at 02:38:02AM +0300, Dmitry Osipenko wrote:
> The write memory barrier isn't needed because the BUS buffer is flushed
> by read after write that happens after the removed wmb(), we will also
> use readl() instead of the relaxed version to ensure that read is indeed
> completed.
> 
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
>  drivers/devfreq/tegra-devfreq.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Acked-by: Thierry Reding <treding@nvidia.com>