On Tuesday 10 September 2013, Linus Walleij wrote:

Request and free the GPIO line used for the beeper properly.
Then use the gpiolib API to flip the output of the GPIO pin
instead of relying on hacks to poke the register bits.

Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <redacted>
---
Arnd/Greg: seeking your ACK to take this through the GPIO tree
as part of the attempt at cleaning out custom GPIO implementations.

Acked-by: Arnd Bergmann <arnd@arndb.de>