lkml.org 
[lkml]   [2020]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v4 15/37] PM / devfreq: tegra30: Add error messages to tegra_devfreq_target()
Date
It's useful to now when something goes wrong instead of failing silently,
so let's add error messages to tegra_devfreq_target() to prevent situation
where it fails silently.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/devfreq/tegra30-devfreq.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index 13f93c6038ab..a03fb16c5c4c 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -641,12 +641,16 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq,
dev_pm_opp_put(opp);

err = clk_set_min_rate(tegra->emc_clock, rate * KHZ);
- if (err)
+ if (err) {
+ dev_err(dev, "Failed to set min rate: %d\n", err);
return err;
+ }

err = clk_set_rate(tegra->emc_clock, 0);
- if (err)
+ if (err) {
+ dev_err(dev, "Failed to set rate: %d\n", err);
goto restore_min_rate;
+ }

return 0;

--
2.26.0
\
 
 \ /
  Last update: 2020-06-09 15:15    [W:0.462 / U:0.352 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site