From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Kent Gibson <warthog618@gmail.com>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>,
Linus Walleij <linus.walleij@linaro.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] gpiolib: cdev: export the consumer's PID
Date: Tue, 13 Sep 2022 20:07:26 +0300 [thread overview]
Message-ID: <YyC4zq2YEmzQMkBL@smile.fi.intel.com> (raw)
In-Reply-To: <YyCtI/WPngP9InsD@sol>
On Wed, Sep 14, 2022 at 12:17:39AM +0800, Kent Gibson wrote:
> On Tue, Sep 13, 2022 at 05:58:32PM +0200, Bartosz Golaszewski wrote:
> > On Tue, Sep 13, 2022 at 4:55 PM Kent Gibson <warthog618@gmail.com> wrote:
...
> > We'd need of course first expose that info like:
> >
> > gpio chip:gpiochip2 lines:0,3,4,7
> >
> > Does that make sense?
>
> Makes sense to me, though I don't claim to know anything about fdinfo
> field formatting.
>
> e.g. I also see fdinfo fields like this:
>
> eventfd-count: 0
> eventfd-id: 1
>
> so
>
> gpio-chip: gpiochip2
> gpio-lines: 0,3,4,7
>
> might be ok too.
Always think about two or more GPIO chips in the same process with 1 or more
lines requested from each of them.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2022-09-13 18:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-09 12:13 [PATCH 0/2] gpiolib: export the consumer's PID to user-space Bartosz Golaszewski
2022-09-09 12:13 ` [PATCH 1/2] gpiolib: un-inline gpiod_request_user() Bartosz Golaszewski
2022-09-09 13:45 ` Andy Shevchenko
2022-09-10 14:51 ` Kent Gibson
2022-09-09 12:13 ` [PATCH 2/2] gpiolib: cdev: export the consumer's PID Bartosz Golaszewski
2022-09-09 13:45 ` Andy Shevchenko
2022-09-09 13:48 ` Andy Shevchenko
2022-09-09 19:18 ` Bartosz Golaszewski
2022-09-10 14:52 ` Kent Gibson
2022-09-12 8:52 ` Bartosz Golaszewski
2022-09-12 9:53 ` Kent Gibson
2022-09-12 9:56 ` Bartosz Golaszewski
2022-09-13 2:12 ` Kent Gibson
2022-09-13 8:54 ` Bartosz Golaszewski
2022-09-13 14:28 ` Kent Gibson
2022-09-13 14:35 ` Bartosz Golaszewski
2022-09-13 14:55 ` Kent Gibson
2022-09-13 15:58 ` Bartosz Golaszewski
2022-09-13 16:17 ` Kent Gibson
2022-09-13 17:07 ` Andy Shevchenko [this message]
2022-09-13 19:35 ` Bartosz Golaszewski
2022-09-14 1:00 ` Kent Gibson
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