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 --- drivers/base/power/opp.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c index 2b615b9..ed5d580 100644 --- a/drivers/base/power/opp.c +++ b/drivers/base/power/opp.c @@ -628,8 +628,11 @@ int of_init_opp_table(struct device *dev) prop = of_find_property(dev->of_node, "operating-points", NULL); if (!prop) return -ENODEV; - if (!prop->value) + if (!prop->value) { + dev_err(dev, "%s: failed to init OPP: prop->value is NULL\n", + __func__); return -ENODATA; + }
/* * Each OPP is a set of tuples consisting of frequency and @@ -653,6 +656,8 @@ int of_init_opp_table(struct device *dev) }
of_node_put(dev->of_node); + + dev_dbg(dev, "%s: successfully created OPP table\n", __func__); return 0; } EXPORT_SYMBOL_GPL(of_init_opp_table);