From: Kent Gibson <warthog618@gmail.com>
To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-doc@vger.kernel.org, brgl@bgdev.pl,
linus.walleij@linaro.org, andy@kernel.org, corbet@lwn.net
Cc: Kent Gibson <warthog618@gmail.com>
Subject: [PATCH 3/7] Documentation: gpio: update sysfs documentation to reference new chardev doc
Date: Tue, 9 Jan 2024 21:59:48 +0800 [thread overview]
Message-ID: <20240109135952.77458-4-warthog618@gmail.com> (raw)
In-Reply-To: <20240109135952.77458-1-warthog618@gmail.com>
Update GPIO sysfs interface documentation to reference the new
chardev document rather than gpio.h.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
---
Documentation/userspace-api/gpio/sysfs.rst | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/Documentation/userspace-api/gpio/sysfs.rst b/Documentation/userspace-api/gpio/sysfs.rst
index 35171d15f78d..ef080d811451 100644
--- a/Documentation/userspace-api/gpio/sysfs.rst
+++ b/Documentation/userspace-api/gpio/sysfs.rst
@@ -5,12 +5,10 @@ GPIO Sysfs Interface for Userspace
THIS ABI IS DEPRECATED, THE ABI DOCUMENTATION HAS BEEN MOVED TO
Documentation/ABI/obsolete/sysfs-gpio AND NEW USERSPACE CONSUMERS
- ARE SUPPOSED TO USE THE CHARACTER DEVICE ABI. THIS OLD SYSFS ABI WILL
- NOT BE DEVELOPED (NO NEW FEATURES), IT WILL JUST BE MAINTAINED.
+ SHOULD USE THE chardev.rst.
-Refer to the examples in tools/gpio/* for an introduction to the new
-character device ABI. Also see the userspace header in
-include/uapi/linux/gpio.h
+ THIS OLD SYSFS ABI WILL NOT BE DEVELOPED (NO NEW FEATURES), IT WILL JUST BE
+ MAINTAINED.
The deprecated sysfs ABI
------------------------
@@ -34,7 +32,7 @@ standard kernels won't know about. And for some tasks, simple userspace
GPIO drivers could be all that the system really needs.
DO NOT ABUSE SYSFS TO CONTROL HARDWARE THAT HAS PROPER KERNEL DRIVERS.
-PLEASE READ THE DOCUMENT AT Documentation/driver-api/gpio/drivers-on-gpio.rst
+PLEASE READ Documentation/driver-api/gpio/drivers-on-gpio.rst
TO AVOID REINVENTING KERNEL WHEELS IN USERSPACE. I MEAN IT. REALLY.
Paths in Sysfs
--
2.39.2
next prev parent reply other threads:[~2024-01-09 14:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-09 13:59 [PATCH 0/7] Documentation: gpio: add character device userspace API documentation Kent Gibson
2024-01-09 13:59 ` [PATCH 1/7] Documentation: gpio: add chardev " Kent Gibson
2024-01-10 11:40 ` Phil Howard
2024-01-10 12:20 ` Andy Shevchenko
2024-01-10 13:01 ` Kent Gibson
2024-01-10 14:27 ` Linus Walleij
2024-01-10 14:34 ` Kent Gibson
2024-01-10 14:50 ` Linus Walleij
2024-01-10 14:53 ` Kent Gibson
2024-01-09 13:59 ` [PATCH 2/7] Documentation: gpio: move sysfs into a deprecated section Kent Gibson
2024-01-09 13:59 ` Kent Gibson [this message]
2024-01-09 13:59 ` [PATCH 4/7] Documentation: gpio: add chardev v1 userspace API documentation Kent Gibson
2024-01-09 13:59 ` [PATCH 5/7] Documentation: gpio: capitalize GPIO in index title Kent Gibson
2024-01-09 13:59 ` [PATCH 6/7] Documentation: gpio: document gpio-mockup as obsoleted by gpio-sim Kent Gibson
2024-01-09 13:59 ` [PATCH 7/7] Documentation: gpio: move gpio-mockup into deprecated section Kent Gibson
2024-01-09 20:00 ` [PATCH 0/7] Documentation: gpio: add character device userspace API documentation Andy Shevchenko
2024-01-09 23:45 ` Kent Gibson
2024-01-10 8:16 ` Vegard Nossum
2024-01-10 11:10 ` Andy Shevchenko
2024-01-12 1:03 ` Kent Gibson
2024-01-14 2:47 ` Kent Gibson
2024-01-14 12:01 ` Andy Shevchenko
2024-01-14 12:55 ` Kent Gibson
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