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media: cec-notifier: rename conn_name to port_name

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This argument refers to a stable name for an HDMI port, mostly i915
(ACPI) specific. Since we'll be introducing a more generic 'name' argument
as well later, rename this now to avoid confusion.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Hans Verkuil 2020-03-16 10:36:47 +01:00 committed by Mauro Carvalho Chehab
parent eac5727d27
commit 80f13a0823
2 changed files with 20 additions and 20 deletions
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24
drivers/media/cec/cec-notifier.c
View File

@ -23,7 +23,7 @@ struct cec_notifier {
struct kref kref;
struct device *hdmi_dev;
struct cec_connector_info conn_info;
const char *conn_name;
const char *port_name;
struct cec_adapter *cec_adap;
u16 phys_addr;
@ -33,15 +33,15 @@ static LIST_HEAD(cec_notifiers);
static DEFINE_MUTEX(cec_notifiers_lock);
struct cec_notifier *
cec_notifier_get_conn(struct device *hdmi_dev, const char *conn_name)
cec_notifier_get_conn(struct device *hdmi_dev, const char *port_name)
{
struct cec_notifier *n;
mutex_lock(&cec_notifiers_lock);
list_for_each_entry(n, &cec_notifiers, head) {
if (n->hdmi_dev == hdmi_dev &&
(!conn_name ||
(n->conn_name && !strcmp(n->conn_name, conn_name)))) {
(!port_name ||
(n->port_name && !strcmp(n->port_name, port_name)))) {
kref_get(&n->kref);
mutex_unlock(&cec_notifiers_lock);
return n;
@ -51,9 +51,9 @@ cec_notifier_get_conn(struct device *hdmi_dev, const char *conn_name)
if (!n)
goto unlock;
n->hdmi_dev = hdmi_dev;
if (conn_name) {
n->conn_name = kstrdup(conn_name, GFP_KERNEL);
if (!n->conn_name) {
if (port_name) {
n->port_name = kstrdup(port_name, GFP_KERNEL);
if (!n->port_name) {
kfree(n);
n = NULL;
goto unlock;
@ -76,7 +76,7 @@ static void cec_notifier_release(struct kref *kref)
container_of(kref, struct cec_notifier, kref);
list_del(&n->head);
kfree(n->conn_name);
kfree(n->port_name);
kfree(n);
}
@ -88,10 +88,10 @@ static void cec_notifier_put(struct cec_notifier *n)
}
struct cec_notifier *
cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
cec_notifier_conn_register(struct device *hdmi_dev, const char *port_name,
const struct cec_connector_info *conn_info)
{
struct cec_notifier *n = cec_notifier_get_conn(hdmi_dev, conn_name);
struct cec_notifier *n = cec_notifier_get_conn(hdmi_dev, port_name);
if (!n)
return n;
@ -129,7 +129,7 @@ void cec_notifier_conn_unregister(struct cec_notifier *n)
EXPORT_SYMBOL_GPL(cec_notifier_conn_unregister);
struct cec_notifier *
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *port_name,
struct cec_adapter *adap)
{
struct cec_notifier *n;
@ -137,7 +137,7 @@ cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
if (WARN_ON(!adap))
return NULL;
n = cec_notifier_get_conn(hdmi_dev, conn_name);
n = cec_notifier_get_conn(hdmi_dev, port_name);
if (!n)
return n;

16
include/media/cec-notifier.h
View File

@ -40,11 +40,11 @@ struct cec_notifier *cec_notifier_get_conn(struct device *dev,
* cec_notifier_conn_register - find or create a new cec_notifier for the given
* HDMI device and connector tuple.
* @hdmi_dev: HDMI device that sends the events.
* @conn_name: the connector name from which the event occurs. May be NULL
* @port_name: the connector name from which the event occurs. May be NULL
* if there is always only one HDMI connector created by the HDMI device.
* @conn_info: the connector info from which the event occurs (may be NULL)
*
* If a notifier for device @dev and connector @conn_name already exists, then
* If a notifier for device @dev and connector @port_name already exists, then
* increase the refcount and return that notifier.
*
* If it doesn't exist, then allocate a new notifier struct and return a
@ -53,7 +53,7 @@ struct cec_notifier *cec_notifier_get_conn(struct device *dev,
* Return NULL if the memory could not be allocated.
*/
struct cec_notifier *
cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
cec_notifier_conn_register(struct device *hdmi_dev, const char *port_name,
const struct cec_connector_info *conn_info);
/**
@ -67,11 +67,11 @@ void cec_notifier_conn_unregister(struct cec_notifier *n);
* cec_notifier_cec_adap_register - find or create a new cec_notifier for the
* given device.
* @hdmi_dev: HDMI device that sends the events.
* @conn_name: the connector name from which the event occurs. May be NULL
* @port_name: the connector name from which the event occurs. May be NULL
* if there is always only one HDMI connector created by the HDMI device.
* @adap: the cec adapter that registered this notifier.
*
* If a notifier for device @dev and connector @conn_name already exists, then
* If a notifier for device @dev and connector @port_name already exists, then
* increase the refcount and return that notifier.
*
* If it doesn't exist, then allocate a new notifier struct and return a
@ -80,7 +80,7 @@ void cec_notifier_conn_unregister(struct cec_notifier *n);
* Return NULL if the memory could not be allocated.
*/
struct cec_notifier *
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *port_name,
struct cec_adapter *adap);
/**
@ -133,7 +133,7 @@ static inline struct cec_notifier *cec_notifier_get_conn(struct device *dev,
}
static inline struct cec_notifier *
cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
cec_notifier_conn_register(struct device *hdmi_dev, const char *port_name,
const struct cec_connector_info *conn_info)
{
/* A non-NULL pointer is expected on success */
@ -145,7 +145,7 @@ static inline void cec_notifier_conn_unregister(struct cec_notifier *n)
}
static inline struct cec_notifier *
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *port_name,
struct cec_adapter *adap)
{
/* A non-NULL pointer is expected on success */