linux-kernel - Re: [PATCH v1 3/5] gpio: max77620: Replace interrupt-enable array with bitmap

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Date:   Wed, 8 Jul 2020 11:44:08 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-tegra@...r.kernel.org,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 3/5] gpio: max77620: Replace interrupt-enable array
 with bitmap

On Wed, Jul 8, 2020 at 11:30 AM Dmitry Osipenko <digetx@...il.com> wrote:
>
> There is no need to dedicate an array where a bitmap could be used.
> Let's replace the interrupt's enable-array with the enable-mask in order
> to improve the code a tad.

...

> +#include <linux/bitops.h>

>         unsigned int            irq_type[MAX77620_GPIO_NR];
> -       bool                    irq_enabled[MAX77620_GPIO_NR];
> +       unsigned long           irq_enb_mask;

I would rather to move to DECLARE_BITMAP()
(the macro is defined in types.h IIRC)

-- 
With Best Regards,
Andy Shevchenko