cpufreq: imx6q: add of_init_opp_table
Add a routine check to see if the platform supplied the OPP table.
Incase there's no OPP table exist, it will try to initialise it.
It's been tested on iMX6SL board where the platform doesn't have
an OPP table.
Signed-off-by: John Tobias <john.tobias.ph@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index c29198f..564a265 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -195,12 +195,25 @@
goto put_node;
}
- /* We expect an OPP table supplied by platform */
+ /*
+ * We expect an OPP table supplied by platform.
+ * Just, incase the platform did not supply the OPP
+ * table, it will try to get it.
+ */
num = dev_pm_opp_get_opp_count(cpu_dev);
if (num < 0) {
- ret = num;
- dev_err(cpu_dev, "no OPP table is found: %d\n", ret);
- goto put_node;
+ ret = of_init_opp_table(cpu_dev);
+ if (ret < 0) {
+ dev_err(cpu_dev, "failed to init OPP table: %d\n", ret);
+ goto put_node;
+ }
+
+ num = dev_pm_opp_get_opp_count(cpu_dev);
+ if (num < 0) {
+ ret = num;
+ dev_err(cpu_dev, "no OPP table is found: %d\n", ret);
+ goto put_node;
+ }
}
ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);