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coresight: Add helper to check if the endpoint is input

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Add a helper to check if the given endpoint is input.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose 2018-09-20 13:17:41 -06:00 committed by Greg Kroah-Hartman
parent 96330407f8
commit 2058224f54
1 changed files with 7 additions and 2 deletions
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9
drivers/hwtracing/coresight/of_coresight.c
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@ -45,6 +45,11 @@ of_coresight_get_endpoint_device(struct device_node *endpoint)
endpoint, of_dev_node_match); endpoint, of_dev_node_match);
} }
static inline bool of_coresight_ep_is_input(struct device_node *ep)
{
return of_property_read_bool(ep, "slave-mode");
}
static void of_coresight_get_ports(const struct device_node *node, static void of_coresight_get_ports(const struct device_node *node,
int *nr_inport, int *nr_outport) int *nr_inport, int *nr_outport)
{ {
@ -56,7 +61,7 @@ static void of_coresight_get_ports(const struct device_node *node,
if (!ep) if (!ep)
break; break;
if (of_property_read_bool(ep, "slave-mode")) if (of_coresight_ep_is_input(ep))
in++; in++;
else else
out++; out++;
@ -213,7 +218,7 @@ of_get_coresight_platform_data(struct device *dev,
* No need to deal with input ports, as processing the * No need to deal with input ports, as processing the
* output ports connected to them will process the details. * output ports connected to them will process the details.
*/ */
if (of_find_property(ep, "slave-mode", NULL)) if (of_coresight_ep_is_input(ep))
continue; continue;
ret = of_coresight_parse_endpoint(dev, ep, pdata, i); ret = of_coresight_parse_endpoint(dev, ep, pdata, i);