[V5,3/8] opp: Enhance debug messages in of_init_opp_table()

Message ID 7373788d1dd01bd99cd22fbfaf94327d42e58935.1401691974.git.viresh.kumar@linaro.org
State New
Headers show

Commit Message

Viresh Kumar June 2, 2014, 7 a.m.
Enhance print messages for debugging purposes. Add a dev_err() whenever we fail
to initialize OPP table due to some error in the table present in dts and add a
dev_dbg() for success case.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
V4->V5: Fix rebase conflict as 2/8 has changed a bit

 drivers/base/power/opp.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch

diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 28696af..ba20510 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -655,6 +655,8 @@  int of_init_opp_table(struct device *dev)
 	}
 
 	if (!prop->value) {
+		dev_err(dev, "%s: failed to init OPP: prop->value is NULL\n",
+			__func__);
 		ret = -ENODATA;
 		goto out;
 	}
@@ -681,6 +683,8 @@  int of_init_opp_table(struct device *dev)
 		nr -= 2;
 	}
 
+	dev_dbg(dev, "%s: successfully created OPP table\n", __func__);
+
 out:
 	of_node_put(dev->of_node);
 	return 0;