[03/11] cec: add adap_free op

Commit Message

Hans Verkuil July 11, 2017, 6:30 a.m. UTC

From: Hans Verkuil <[e-mail]>

This is needed for CEC adapters that allocate resources that have
to be freed before the cec_adapter is deleted.

Signed-off-by: Hans Verkuil <[e-mail]>
---
 drivers/media/cec/cec-core.c | 2 ++
 include/media/cec.h          | 1 +
 2 files changed, 3 insertions(+)

Patch

diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c
index b516d599d6c4..2e5765344d07 100644
--- a/drivers/media/cec/cec-core.c
+++ b/drivers/media/cec/cec-core.c
@@ -374,6 +374,8 @@  void cec_delete_adapter(struct cec_adapter *adap)
 	kthread_stop(adap->kthread);
 	if (adap->kthread_config)
 		kthread_stop(adap->kthread_config);
+	if (adap->ops->adap_free)
+		adap->ops->adap_free(adap);
 #ifdef CONFIG_MEDIA_CEC_RC
 	rc_free_device(adap->rc);
 #endif
diff --git a/include/media/cec.h b/include/media/cec.h
index e1e60dbb66c3..37768203572d 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -114,6 +114,7 @@  struct cec_adap_ops {
 	int (*adap_transmit)(struct cec_adapter *adap, u8 attempts,
 			     u32 signal_free_time, struct cec_msg *msg);
 	void (*adap_status)(struct cec_adapter *adap, struct seq_file *file);
+	void (*adap_free)(struct cec_adapter *adap);
 
 	/* High-level CEC message callback */
 	int (*received)(struct cec_adapter *adap, struct cec_msg *msg);