From: Michael Walle <michael@walle.cc>
To: Mark Brown <broonie@kernel.org>
Cc: William Breathitt Gray <william.gray@linaro.org>,
linus.walleij@linaro.org, brgl@bgdev.pl,
andriy.shevchenko@linux.intel.com, linux-gpio@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/4] gpio: i8255: Migrate to regmap API
Date: Thu, 17 Nov 2022 17:30:29 +0100 [thread overview]
Message-ID: <bbe25d96e892e8cfd3f0da5d6755be22@walle.cc> (raw)
In-Reply-To: <Y3ZflHI6CYfaGIbn@sirena.org.uk>
Am 2022-11-17 17:21, schrieb Mark Brown:
> On Thu, Nov 17, 2022 at 05:18:55PM +0100, Michael Walle wrote:
>> Am 2022-11-11 02:55, schrieb William Breathitt Gray:
>
>> > + gpio_config.parent = config->parent;
>> > + gpio_config.regmap = config->map;
>
>> I'd propose to add a new config flag to indicate that accesses to
>> the device will be fast:
>
>> gpio_config.regmap_has_fast_io = true;
>
>> which will then set gpio->can_sleep = false.
>
> It's probably useful to provide a query function in the regmap
> API for generic regmap users like this.
Now I'm confused. Last time, I've proposed that, there was push
back from you:
https://lore.kernel.org/linux-gpio/20210430151908.GC5981@sirena.org.uk/
That being said, I'd prefer to have such a query API :)
-michael
next prev parent reply other threads:[~2022-11-17 16:33 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-11 1:55 [PATCH v2 0/4] Migrate i8255 GPIO drivers to regmap API William Breathitt Gray
2022-11-11 1:55 ` [PATCH v2 1/4] gpio: regmap: Always set gpio_chip get_direction William Breathitt Gray
2022-11-13 12:40 ` Andy Shevchenko
2022-11-13 13:21 ` William Breathitt Gray
2022-11-16 11:34 ` Robert Marko
2022-11-16 15:41 ` Michael Walle
2022-11-16 15:54 ` Andy Shevchenko
2022-11-17 14:22 ` William Breathitt Gray
2022-11-17 14:36 ` Michael Walle
2022-11-11 1:55 ` [PATCH v2 2/4] regmap-irq: Add handle_mask_sync() callback William Breathitt Gray
2022-11-13 12:42 ` Andy Shevchenko
2022-11-13 13:08 ` William Breathitt Gray
2022-11-13 13:11 ` Andy Shevchenko
2022-11-15 17:14 ` Mark Brown
2022-11-17 15:00 ` William Breathitt Gray
2022-11-22 1:00 ` William Breathitt Gray
2022-11-11 1:55 ` [PATCH v2 3/4] gpio: 104-idi-48: Migrate to regmap API William Breathitt Gray
2022-11-11 1:55 ` [PATCH v2 4/4] gpio: i8255: " William Breathitt Gray
2022-11-13 12:52 ` Andy Shevchenko
2022-11-13 14:07 ` William Breathitt Gray
2022-11-13 14:13 ` William Breathitt Gray
2022-11-14 13:14 ` Andy Shevchenko
2022-11-17 16:18 ` Michael Walle
2022-11-17 16:21 ` Mark Brown
2022-11-17 16:30 ` Michael Walle [this message]
2022-11-18 11:51 ` Mark Brown
2022-11-20 16:57 ` William Breathitt Gray
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