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author | Peter Rosin <peda@axentia.se> | 2016-08-25 23:07:01 +0200 |
---|---|---|
committer | Wolfram Sang <wsa@the-dreams.de> | 2016-08-30 22:56:14 +0200 |
commit | d1ed7985b9a6b85ea38a330108c51ec83381c01b (patch) | |
tree | d97296b9891543fec4e2d1da28d154db8e8a6b04 /drivers/gpu/drm/drm_dp_helper.c | |
parent | 718917b9875fcfa6450e7274d2727c4680c3591a (diff) | |
download | op-kernel-dev-d1ed7985b9a6b85ea38a330108c51ec83381c01b.zip op-kernel-dev-d1ed7985b9a6b85ea38a330108c51ec83381c01b.tar.gz |
i2c: move locking operations to their own struct
This makes it trivial to constify them, so do that.
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/gpu/drm/drm_dp_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_dp_helper.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index eae5ef9..2bd0644 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -790,6 +790,12 @@ static void unlock_bus(struct i2c_adapter *i2c, unsigned int flags) mutex_unlock(&i2c_to_aux(i2c)->hw_mutex); } +static const struct i2c_lock_operations drm_dp_i2c_lock_ops = { + .lock_bus = lock_bus, + .trylock_bus = trylock_bus, + .unlock_bus = unlock_bus, +}; + /** * drm_dp_aux_init() - minimally initialise an aux channel * @aux: DisplayPort AUX channel @@ -807,9 +813,7 @@ void drm_dp_aux_init(struct drm_dp_aux *aux) aux->ddc.algo_data = aux; aux->ddc.retries = 3; - aux->ddc.lock_bus = lock_bus; - aux->ddc.trylock_bus = trylock_bus; - aux->ddc.unlock_bus = unlock_bus; + aux->ddc.lock_ops = &drm_dp_i2c_lock_ops; } EXPORT_SYMBOL(drm_dp_aux_init); |