@@ -24,6 +24,7 @@
struct exynos_bus {
struct device *dev;
+ struct platform_device *icc_pdev;
struct devfreq *devfreq;
struct devfreq_event_dev **edev;
@@ -156,6 +157,8 @@ static void exynos_bus_exit(struct device *dev)
if (ret < 0)
dev_warn(dev, "failed to disable the devfreq-event devices\n");
+ platform_device_unregister(bus->icc_pdev);
+
dev_pm_opp_of_remove_table(dev);
clk_disable_unprepare(bus->clk);
if (bus->opp_table) {
@@ -168,6 +171,8 @@ static void exynos_bus_passive_exit(struct device *dev)
{
struct exynos_bus *bus = dev_get_drvdata(dev);
+ platform_device_unregister(bus->icc_pdev);
+
dev_pm_opp_of_remove_table(dev);
clk_disable_unprepare(bus->clk);
}
@@ -432,6 +437,18 @@ static int exynos_bus_probe(struct platform_device *pdev)
if (ret < 0)
goto err;
+ /* Create child platform device for the interconnect provider */
+ if (of_get_property(dev->of_node, "#interconnect-cells", NULL)) {
+ bus->icc_pdev = platform_device_register_data(
+ dev, "exynos-generic-icc",
+ PLATFORM_DEVID_AUTO, NULL, 0);
+
+ if (IS_ERR(bus->icc_pdev)) {
+ ret = PTR_ERR(bus->icc_pdev);
+ goto err;
+ }
+ }
+
max_state = bus->devfreq->profile->max_state;
min_freq = (bus->devfreq->profile->freq_table[0] / 1000);
max_freq = (bus->devfreq->profile->freq_table[max_state - 1] / 1000);
This patch adds registration of a child platform device for the exynos interconnect driver. It is assumed that the interconnect provider will only be needed when #interconnect-cells property is present in the bus DT node, hence the child device will be created only when such a property is present. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> --- Changes for v7, v6: - none. Changes for v5: - new patch. --- drivers/devfreq/exynos-bus.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)