[PATCH v2 1/7] drm/i2c: tda998x: move mutex/waitqueue/timer/work init early
Russell King
rmk+kernel at armlinux.org.uk
Wed Dec 6 12:35:23 UTC 2017
Move the mutex, waitqueue, timer and detect work initialisation early
in the driver's initialisation, rather than being after we've registered
the CEC device.
Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 127815253a84..7f4dbca7f7f4 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1476,7 +1476,11 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
u32 video;
int rev_lo, rev_hi, ret;
- mutex_init(&priv->audio_mutex); /* Protect access from audio thread */
+ mutex_init(&priv->mutex); /* protect the page access */
+ mutex_init(&priv->audio_mutex); /* protect access from audio thread */
+ init_waitqueue_head(&priv->edid_delay_waitq);
+ timer_setup(&priv->edid_delay_timer, tda998x_edid_delay_done, 0);
+ INIT_WORK(&priv->detect_work, tda998x_detect_work);
priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(2) | VIP_CNTRL_0_SWAP_B(3);
priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1);
@@ -1490,11 +1494,6 @@ static int tda998x_create(struct i2c_client *client, struct tda998x_priv *priv)
if (!priv->cec)
return -ENODEV;
- mutex_init(&priv->mutex); /* protect the page access */
- init_waitqueue_head(&priv->edid_delay_waitq);
- timer_setup(&priv->edid_delay_timer, tda998x_edid_delay_done, 0);
- INIT_WORK(&priv->detect_work, tda998x_detect_work);
-
/* wake up the device: */
cec_write(priv, REG_CEC_ENAMODS,
CEC_ENAMODS_EN_RXSENS | CEC_ENAMODS_EN_HDMI);
--
2.7.4
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