From mboxrd@z Thu Jan 1 00:00:00 1970 From: suzuki.poulose@arm.com (Suzuki K Poulose) Date: Thu, 19 Jul 2018 11:55:10 +0100 Subject: [PATCH v2 06/10] coresight: Add helper to check if the endpoint is input In-Reply-To: <1531997715-6767-1-git-send-email-suzuki.poulose@arm.com> References: <1531997715-6767-1-git-send-email-suzuki.poulose@arm.com> Message-ID: <1531997715-6767-7-git-send-email-suzuki.poulose@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add a helper to check if the given endpoint is input. Cc: Mathieu Poirier Signed-off-by: Suzuki K Poulose --- 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