PM / OPP: Introduce function to free cpufreq table

cpufreq table allocated by opp_init_cpufreq_table is better
freed by OPP layer itself. This allows future modifications to
the table handling to be transparent to the users.

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 56a6899f5e9e..5cc12322ef32 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -625,4 +625,21 @@ int opp_init_cpufreq_table(struct device *dev,
 
         return 0;
 }
+
+/**
+ * opp_free_cpufreq_table() - free the cpufreq table
+ * @dev:        device for which we do this operation
+ * @table:      table to free
+ *
+ * Free up the table allocated by opp_init_cpufreq_table
+ */
+void opp_free_cpufreq_table(struct device *dev,
+                                struct cpufreq_frequency_table **table)
+{
+        if (!table)
+                return;
+
+        kfree(*table);
+        *table = NULL;
+}
 #endif          /* CONFIG_CPU_FREQ */