diff options
| -rw-r--r-- | drivers/gpio/TODO | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/gpio/TODO b/drivers/gpio/TODO index ef53892cb44d..7a09a4f58551 100644 --- a/drivers/gpio/TODO +++ b/drivers/gpio/TODO @@ -188,16 +188,12 @@ remove the old ones and finally rename the new ones back to the old names. ------------------------------------------------------------------------------- -Extend the sysfs ABI to allow exporting lines by their HW offsets +Remove legacy sysfs features -The need to support the sysfs GPIO class is one of the main obstacles to -removing the global GPIO numberspace from the kernel. In order to wean users -off using global numbers from user-space, extend the existing interface with -new per-gpiochip export/unexport attributes that allow to refer to GPIOs using -their hardware offsets within the chip. - -Encourage users to switch to using them and eventually remove the existing -global export/unexport attribues. +We have two parallel per-chip class devices and per-exported-line attribute +groups in sysfs. One is using the obsolete global GPIO numberspace and the +second relies on hardware offsets of pins within the chip. Remove the former +once user-space has switched to using the latter. ------------------------------------------------------------------------------- |