[PATCH v3 2/2] cpufreq: imx6q: add of_init_opp_table

From: John Tobias
Date: Thu Dec 19 2013 - 23:16:12 EST


Add a routine check to see if the platform supplied the OPP table.
Incase there's not OPP table exist, it will try to get it.

Signed-off-by: John Tobias <john.tobias.ph@xxxxxxxxx>
---
drivers/cpufreq/imx6q-cpufreq.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index 4b3f18e..f261a88 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -187,12 +187,25 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev)
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\n");
+ ret = -ENODEV;
+ 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);
--
1.8.3.2

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