From 2058224f5415df895551ee8f8e48a2b26acfc20f Mon Sep 17 00:00:00 2001 From: Suzuki K Poulose Date: Thu, 20 Sep 2018 13:17:41 -0600 Subject: [PATCH] coresight: Add helper to check if the endpoint is input Add a helper to check if the given endpoint is input. Cc: Mathieu Poirier Signed-off-by: Suzuki K Poulose Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman --- drivers/hwtracing/coresight/of_coresight.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/of_coresight.c b/drivers/hwtracing/coresight/of_coresight.c index 2ecdd1432b5c..44903d35009f 100644 --- a/drivers/hwtracing/coresight/of_coresight.c +++ b/drivers/hwtracing/coresight/of_coresight.c @@ -45,6 +45,11 @@ of_coresight_get_endpoint_device(struct device_node *endpoint) 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, int *nr_inport, int *nr_outport) { @@ -56,7 +61,7 @@ static void of_coresight_get_ports(const struct device_node *node, if (!ep) break; - if (of_property_read_bool(ep, "slave-mode")) + if (of_coresight_ep_is_input(ep)) in++; else out++; @@ -213,7 +218,7 @@ of_get_coresight_platform_data(struct device *dev, * No need to deal with input ports, as processing the * 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; ret = of_coresight_parse_endpoint(dev, ep, pdata, i);