soc: samsung: asv: Print error code when adding an OPP fails

Log error code from devm_pm_opp_add() to make any errors easier
to debug.

Change-Id: If418320565f1efc14d16242d8b166bea07353c54
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

diff --git a/drivers/soc/samsung/exynos-asv.c b/drivers/soc/samsung/exynos-asv.c
index 611c374..71fa32f 100644 (file)
--- a/drivers/soc/samsung/exynos-asv.c
+++ b/drivers/soc/samsung/exynos-asv.c
@@ -78,8 +78,8 @@ int exynos_asv_update_cpu_opp(struct device *cpu)
 
                err = dev_pm_opp_add(cpu, opp_freq, new_voltage);
                if (err < 0)
-                       pr_err("%s: Failed to add OPP %u Hz/%u uV for cpu%d\n",
-                              __func__, opp_freq, new_voltage, cpu->id);
+                       pr_err("%s: Failed to add OPP %u Hz/%u uV for cpu%d (%d)\n",
+                              __func__, opp_freq, new_voltage, cpu->id, err);
        }
 
        return 0;