[libgpiod][PATCH v2] README: mention the Linux 5.10 requirement for libgpiod v2

[libgpiod][PATCH v2] README: mention the Linux 5.10 requirement for libgpiod v2

[Bartosz Golaszewski]

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Major version 2 of libgpiod requires linux kernel uAPI v2 to be available.
This was released in Linux 5.10 so mention it in the README.

Suggested-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
v1 -> v2:
- reword as suggested by Kent

 README | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/README b/README
index 632aab3..6063f43 100644
--- a/README
+++ b/README
@@ -8,8 +8,9 @@ libgpiod
              character device (gpiod stands for GPIO device)
 
 Since linux 4.8 the GPIO sysfs interface is deprecated. User space should use
-the character device instead. This library encapsulates the ioctl calls and
-data structures behind a straightforward API.
+the character device instead. Version 2 of libgpiod requires GPIO character
+device uAPI v2 which was first released in linux v5.10. This library
+encapsulates the ioctl calls and data structures behind a straightforward API.
 
 RATIONALE
 ---------
-- 
2.40.1

Re: [libgpiod][PATCH v2] README: mention the Linux 5.10 requirement for libgpiod v2

[Kent Gibson]

On Tue, Jan 16, 2024 at 10:40:57AM +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> Major version 2 of libgpiod requires linux kernel uAPI v2 to be available.
> This was released in Linux 5.10 so mention it in the README.
>
> Suggested-by: Kent Gibson <warthog618@gmail.com>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
> v1 -> v2:
> - reword as suggested by Kent
>
>  README | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/README b/README
> index 632aab3..6063f43 100644
> --- a/README
> +++ b/README
> @@ -8,8 +8,9 @@ libgpiod
>               character device (gpiod stands for GPIO device)
>
>  Since linux 4.8 the GPIO sysfs interface is deprecated. User space should use
> -the character device instead. This library encapsulates the ioctl calls and
> -data structures behind a straightforward API.
> +the character device instead. Version 2 of libgpiod requires GPIO character
> +device uAPI v2 which was first released in linux v5.10. This library
> +encapsulates the ioctl calls and data structures behind a straightforward API.
>

Minor nit - drop the "v" in v5.10 to be consistent with other use,
including the 4.8 in the same paragraph?

Cheers,
Kent.

Re: [libgpiod][PATCH v2] README: mention the Linux 5.10 requirement for libgpiod v2

[Bartosz Golaszewski]

On Tue, Jan 16, 2024 at 11:08 AM Kent Gibson <warthog618@gmail.com> wrote:
>
> On Tue, Jan 16, 2024 at 10:40:57AM +0100, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > Major version 2 of libgpiod requires linux kernel uAPI v2 to be available.
> > This was released in Linux 5.10 so mention it in the README.
> >
> > Suggested-by: Kent Gibson <warthog618@gmail.com>
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> > ---
> > v1 -> v2:
> > - reword as suggested by Kent
> >
> >  README | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/README b/README
> > index 632aab3..6063f43 100644
> > --- a/README
> > +++ b/README
> > @@ -8,8 +8,9 @@ libgpiod
> >               character device (gpiod stands for GPIO device)
> >
> >  Since linux 4.8 the GPIO sysfs interface is deprecated. User space should use
> > -the character device instead. This library encapsulates the ioctl calls and
> > -data structures behind a straightforward API.
> > +the character device instead. Version 2 of libgpiod requires GPIO character
> > +device uAPI v2 which was first released in linux v5.10. This library
> > +encapsulates the ioctl calls and data structures behind a straightforward API.
> >
>
> Minor nit - drop the "v" in v5.10 to be consistent with other use,
> including the 4.8 in the same paragraph?
>

Sure, I'll change it when applying.

Bart