Re: [PATCH 6/7] ARM: imx: imx7ulp: support HSRUN mode

[Fabio Estevam]

Hi Peng,

On Tue, Feb 4, 2020 at 10:41 AM <peng.fan@xxxxxxx> wrote:
>
> From: Peng Fan <peng.fan@xxxxxxx>
>
> Configure pmprot to let ARM core could run into HSRUN mode.
>
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---

> +       writel_relaxed(BM_PMPROT_AHSRUN, smc1_base + SMC_PMPROT);

HSRUN cannot be configured unconditionally because if i.MX7ULP runs
with LDO-enabled it cannot run in HSRUN mode.