diff options
| author |   Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-09-20 13:17:41 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-25 20:09:17 +0200 |
| commit | 2058224f5415df895551ee8f8e48a2b26acfc20f (patch) | |
| tree | 08ebeac446491af4a9095a3005ea3012fc5016b9 /drivers/hwtracing | |
| parent | coresight: Fix remote endpoint parsing (diff) | |
| download | linux-dev-2058224f5415df895551ee8f8e48a2b26acfc20f.tar.xz linux-dev-2058224f5415df895551ee8f8e48a2b26acfc20f.zip | |
coresight: Add helper to check if the endpoint is input
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>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/of_coresight.c | 9 |
1 files 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); |