linux-kernel - Re: [PATCH v1 1/1] gpio: mmio: handle "ngpios" properly in bgpio

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Message-ID: <CAHp75VfNyNfPRRte6ixzPcwxiVdwO_8t0JBRDvsASq87VWPtGw@mail.gmail.com>
Date:   Tue, 11 Jul 2023 00:25:17 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Asmaa Mnebhi <asmaa@...dia.com>
Cc:     linus.walleij@...aro.org, bgolaszewski@...libre.com, brgl@...ev.pl,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        davthompson@...dia.com
Subject: Re: [PATCH v1 1/1] gpio: mmio: handle "ngpios" properly in bgpio_init()

On Tue, Jul 11, 2023 at 12:22 AM Asmaa Mnebhi <asmaa@...dia.com> wrote:
>
> bgpio_init() uses "sz" argument to populate ngpio, which is not
> accurate. Instead, read the "ngpios" property from the DT and if it
> doesn't exist, use the "sz" argument. With this change, drivers no
> longer need to overwrite the ngpio variable after calling bgpio_init().
>
> If the "ngpios" property is specified, bgpio_bits is calculated
> as the round up value of ngpio. At the moment, the only requirement
> specified is that the round up value must be a multiple of 8 but
> it should also be a power of 2 because we provide accessors based
> on the bank size in bgpio_setup_accessors().

The below should be in the changelog area.
Moreover, it doesn't explain why you dropped my tags.

> The following 2 patches were approved in the past but didn't make it
> into the tree. I combined them into one patch since the second one
> fixes a bug in the first one:
> [PATCH v4] gpio: mmio: handle "ngpios" properly in bgpio_init()
> [PATCH v1] gpio: mmio: fix calculation of bgpio_bits

Please, try again.

-- 
With Best Regards,
Andy Shevchenko