[PATCH 14/14] PCI: j721e: add suspend and resume support

[Andy Shevchenko]

On Mon, Jan 15, 2024 at 6:16 PM Thomas Richard
<thomas.richard at bootlin.com> wrote:
>
> From: Théo Lebrun <theo.lebrun at bootlin.com>
>
> Add suspend and resume support for rc mode.

Same comments as for earlier patches.
Since it's wide, please, check the whole series for the same issues
and address them.

...

> +               if (pcie->reset_gpio)

Dup, why?

> +                       gpiod_set_value_cansleep(pcie->reset_gpio, 0);

...

> +               if (pcie->reset_gpio) {
> +                       usleep_range(100, 200);

fsleep() ?
Btw, why is it needed here, perhaps a comment?

> +                       gpiod_set_value_cansleep(pcie->reset_gpio, 1);
> +               }

...

> +               ret = cdns_pcie_host_setup(rc, false);
> +               if (ret < 0) {
> +                       clk_disable_unprepare(pcie->refclk);
> +                       return -ENODEV;

Why is the error code being shadowed?

> +               }

...

> +#define cdns_pcie_to_rc(p) container_of(p, struct cdns_pcie_rc, pcie)

Is container_of.h included in this file?

...

> @@ -381,7 +383,6 @@ struct cdns_pcie_ep {
>         unsigned int            quirk_disable_flr:1;
>  };
>
> -
>  /* Register access */
>  static inline void cdns_pcie_writel(struct cdns_pcie *pcie, u32 reg, u32 value)
>  {

Stray change.

-- 
With Best Regards,
Andy Shevchenko