Re: [PATCH v10 4/4] pinctrl: Implementation of the generic scmi-pinctrl driver

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On Mon, Apr 15, 2024 at 11:43 AM Peng Fan (OSS) <peng.fan@xxxxxxxxxxx> wrote:
>
> From: Peng Fan <peng.fan@xxxxxxx>
>
> scmi-pinctrl driver implements pinctrl driver interface and using
> SCMI protocol to redirect messages from pinctrl subsystem SDK to
> SCMI platform firmware, which does the changes in HW.

Below are some cosmetics, but in general LGTM, thanks!
Reviewed-by: Andy Shevchenko <andy@xxxxxxxxxx>

...

> +#include <linux/device.h>
> +#include <linux/dev_printk.h>

The second one is guaranteed to be included by the first one, so
dev_printk.h can be removed.

> +#include <linux/err.h>

+ errno.h as ENOTSUPP is defined there and surprisingly err.h doesn't
include that.

+ mod_devicetable.h (for the ID table type definition)

> +#include <linux/module.h>
> +#include <linux/scmi_protocol.h>
> +#include <linux/slab.h>
> +#include <linux/types.h>

...

> +/* Define num configs, if not large than 4 use stack, else use kcalloc */

kcalloc()

...

> +       ret = pinctrl_ops->settings_get_one(pmx->ph, pin, PIN_TYPE, type,
> +                                           &config_value);
> +       if (ret) {
> +               /* Convert SCMI error code to PINCTRL expected error code */
> +               if (ret == -EOPNOTSUPP)
> +                       ret = -ENOTSUPP;
> +               return ret;
> +       }

It can be split as

       ret = pinctrl_ops->settings_get_one(pmx->ph, pin, PIN_TYPE, type,
                                           &config_value);
       /* Convert SCMI error code to PINCTRL expected error code */
       if (ret == -EOPNOTSUPP)
               return -ENOTSUPP;
       if (ret)
               return ret;

...

> +       ret = pinctrl_ops->settings_get_one(pmx->ph, group, GROUP_TYPE, type,
> +                                           &config_value);
> +       if (ret) {
> +               /* Convert SCMI error code to PINCTRL expected error code */
> +               if (ret == -EOPNOTSUPP)
> +                       ret = -ENOTSUPP;
> +               return ret;
> +       }

As per above.

--
With Best Regards,
Andy Shevchenko





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