[PATCHv3 1/2] ARM: imx53: add secure-reg-access support for PMU

[Fabio Estevam]

On Fri, Feb 9, 2018 at 3:03 PM, Sebastian Reichel
<sebastian.reichel at collabora.co.uk> wrote:

> +       gpc_reg = ioremap(MXC_CORTEXA8_PLAT_GPC, 4);
> +       if (!gpc_reg) {
> +               pr_warning("unable to map GPC to enable perf\n");
> +               return;
> +       }
> +
> +       gpc = __raw_readl(gpc_reg);

You could use readl_relaxed() instead.

> +       gpc |= GPC_DBG_EN;
> +       __raw_writel(gpc, gpc_reg);

You could use writel_relaxed() instead.

> +
> +       return;

This 'return' can be removed.

> +}