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authorPeter Rosin <peda@axentia.se>2016-08-25 23:07:01 +0200
committerWolfram Sang <wsa@the-dreams.de>2016-08-30 22:56:14 +0200
commitd1ed7985b9a6b85ea38a330108c51ec83381c01b (patch)
treed97296b9891543fec4e2d1da28d154db8e8a6b04 /drivers/gpu/drm/drm_dp_helper.c
parenti2c: tegra: Add pinctrl support (diff)
downloadlinux-d1ed7985b9a6b85ea38a330108c51ec83381c01b.tar.xz
linux-d1ed7985b9a6b85ea38a330108c51ec83381c01b.zip
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.c10
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 eae5ef963cb7..2bd064493ae7 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);