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(+)
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;