Commit fe95046e authored by Linus Walleij's avatar Linus Walleij
Browse files

gpio: ABI: mark the sysfs ABI as obsolete

This marks the (optional) sysfs GPIO ABI as obsolete and schedules
it for removal in 2020.

Cc: Johan Hovold <>
Cc: Michael Welling <>
Cc: Markus Pargmann <>
Signed-off-by: default avatarLinus Walleij <>
parent 40c159b7
What: /sys/class/gpio/
Date: July 2008
KernelVersion: 2.6.27
Contact: David Brownell <>
Contact: Linus Walleij <>
As a Kconfig option, individual GPIO signals may be accessed from
......@@ -26,3 +26,5 @@ Description:
/label ... (r/o) descriptive, not necessarily unique
/ngpio ... (r/o) number of GPIOs; numbered N to N + (ngpio - 1)
This ABI is deprecated and will be removed after 2020. It is
replaced with the GPIO character device.
......@@ -4816,6 +4816,7 @@ T: git git://
S: Maintained
F: Documentation/gpio/
F: Documentation/ABI/testing/gpio-cdev
F: Documentation/ABI/obsolete/sysfs-gpio
F: drivers/gpio/
F: include/linux/gpio/
F: include/linux/gpio.h
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