| commit | 7d0ec8b6f40b356f780b79de63eeafd6b907d68c | [log] [tgz] |
|---|---|---|
| author | Pelle Nilsson <per.nilsson@xelmo.com> | Tue Apr 14 15:40:17 2015 +0200 |
| committer | Mark Brown <broonie@kernel.org> | Sat Apr 18 12:01:03 2015 +0100 |
| tree | 669ce3a25a14487c4dd0bb08839719e89245ca9c | |
| parent | c517d838eb7d07bbe9507871fab3931deccff539 [diff] |
spi: bitbang: Make setup_transfer() callback optional
Some controller drivers have no need of this callback (spi-altera even
causes a NULL pointer dereference because it doesn't register the callback,
falsely assuming that it is already optional).
Fixes: 30af9b558a56 ("spi/bitbang: Drop empty setup() functions")
Signed-off-by: Pelle Nilsson <per.nilsson@xelmo.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@vanguardiasur.com.ar>
Signed-off-by: Mark Brown <broonie@kernel.org>