2021-03-04 16:28:44

by Andy Shevchenko

[permalink] [raw]
Subject: Re: [PATCH v4 05/15] pinctrl: add a pincontrol driver for BCM6328

On Thu, Mar 4, 2021 at 10:57 AM Álvaro Fernández Rojas
<[email protected]> wrote:
>
> Add a pincontrol driver for BCM6328. BCM628 supports muxing 32 pins as
> GPIOs, as LEDs for the integrated LED controller, or various other
> functions. Its pincontrol mux registers also control other aspects, like
> switching the second USB port between host and device mode.

...

> +static inline unsigned int bcm6328_mux_off(unsigned int pin)
> +{
> + static const unsigned int bcm6328_mux[] = {
> + BCM6328_MUX_LO_REG,
> + BCM6328_MUX_HI_REG,

> + BCM6328_MUX_OTHER_REG

When it's not terminator add a comma, otherwise remove a comma.

Also, why is it inside a function? It's anyway global and constant.

> + };

...

> + regmap_update_bits(pc->regs, bcm6328_mux_off(pin),
> + 3UL << ((pin % 16) * 2),

3UL => #define BLABLA GENMASK(1, 0)

> + mux << ((pin % 16) * 2));

...

> +static const struct of_device_id bcm6328_pinctrl_match[] = {
> + { .compatible = "brcm,bcm6328-pinctrl", },
> + { },

No comma.

> +};

Above comments to all your patches.

--
With Best Regards,
Andy Shevchenko


2021-03-05 00:10:50

by Álvaro Fernández Rojas

[permalink] [raw]
Subject: Re: [PATCH v4 05/15] pinctrl: add a pincontrol driver for BCM6328

Hi Andy,

> El 4 mar 2021, a las 11:49, Andy Shevchenko <[email protected]> escribió:
>
> On Thu, Mar 4, 2021 at 10:57 AM Álvaro Fernández Rojas
> <[email protected]> wrote:
>>
>> Add a pincontrol driver for BCM6328. BCM628 supports muxing 32 pins as
>> GPIOs, as LEDs for the integrated LED controller, or various other
>> functions. Its pincontrol mux registers also control other aspects, like
>> switching the second USB port between host and device mode.
>
> ...
>
>> +static inline unsigned int bcm6328_mux_off(unsigned int pin)
>> +{
>> + static const unsigned int bcm6328_mux[] = {
>> + BCM6328_MUX_LO_REG,
>> + BCM6328_MUX_HI_REG,
>
>> + BCM6328_MUX_OTHER_REG
>
> When it's not terminator add a comma, otherwise remove a comma.

… so you want me to add a comma or not?

>
> Also, why is it inside a function? It's anyway global and constant.

Because this is only used by this function and I’m used to doing this to comply with MISRA C 2004 at work :)

>
>> + };
>
> ...
>
>> + regmap_update_bits(pc->regs, bcm6328_mux_off(pin),
>> + 3UL << ((pin % 16) * 2),
>
> 3UL => #define BLABLA GENMASK(1, 0)

Ok, I will add a define for this.

>
>> + mux << ((pin % 16) * 2));
>
> ...
>
>> +static const struct of_device_id bcm6328_pinctrl_match[] = {
>> + { .compatible = "brcm,bcm6328-pinctrl", },
>> + { },
>
> No comma.

Ok, I will remove the comma.

>
>> +};
>
> Above comments to all your patches.

Ok, I will try to address all of this comments in v5.

>
> --
> With Best Regards,
> Andy Shevchenko