[PATCH v2 06/10] coresight: Add helper to check if the endpoint is input
From: suzuki.poulose@arm.com (Suzuki K Poulose)
Date: 2018-07-19 10:55:58
Also in:
linux-devicetree, lkml
Subsystem:
arm/coresight framework and drivers, hardware tracing facilities, the rest · Maintainers:
Suzuki K Poulose, Alexander Shishkin, Linus Torvalds
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> --- 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 16a77a7..b6a170f 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++;
@@ -212,7 +217,7 @@ of_get_coresight_platform_data(struct device *dev, * No need to deal with input ports, processing for as * processing for output ports will deal with them. */ - 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);
--
2.7.4