On Mon, May 4, 2015 at 5:10 PM, Johan Hovold <johan@xxxxxxxxxx> wrote: > Remove gpiod_sysfs_set_active_low (and gpio_sysfs_set_active_low) which > allowed code to change the polarity of a gpio line even after it had > been exported through sysfs. > > Drivers should not care, and generally does not know, about gpio-line > polarity which is a hardware feature that needs to be described by > firmware. > > It is currently possible to define gpio-line polarity in device-tree and > acpi firmware or using platform data. Userspace can also change the > polarity through sysfs. > > Note that drivers using the legacy gpio interface could still use > GPIOF_ACTIVE_LOW to change the polarity before exporting the gpio. > > There are no in-kernel users of this interface. > > Cc: Jonathan Corbet <corbet@xxxxxxx> > Cc: Harry Wei <harryxiyou@xxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: linux-doc@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxx > Cc: linux-arch@xxxxxxxxxxxxxxx > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> GOOD RIDDANCE. Patch applied. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
