diff options
Diffstat (limited to 'Documentation/ABI/obsolete/sysfs-gpio')
| -rw-r--r-- | Documentation/ABI/obsolete/sysfs-gpio | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/ABI/obsolete/sysfs-gpio b/Documentation/ABI/obsolete/sysfs-gpio index e0d4e5e2dd90..da1345d854b4 100644 --- a/Documentation/ABI/obsolete/sysfs-gpio +++ b/Documentation/ABI/obsolete/sysfs-gpio @@ -13,6 +13,8 @@ Description: GPIOs are identified as they are inside the kernel, using integers in the range 0..INT_MAX. See Documentation/admin-guide/gpio for more information. + :: + /sys/class/gpio /export ... asks the kernel to export a GPIO to userspace /unexport ... to return a GPIO to the kernel @@ -26,5 +28,5 @@ 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. + This ABI is obsoleted by Documentation/ABI/testing/gpio-cdev and will be + removed after 2020. |