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-rw-r--r--drivers/clk/keystone/sci-clk.c68
1 files changed, 41 insertions, 27 deletions
diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c
index e737f245e25e..1e465de75e4a 100644
--- a/drivers/clk/keystone/sci-clk.c
+++ b/drivers/clk/keystone/sci-clk.c
@@ -403,22 +403,8 @@ static const struct of_device_id ti_sci_clk_of_match[] = {
};
MODULE_DEVICE_TABLE(of, ti_sci_clk_of_match);
-/**
- * ti_sci_clk_probe - Probe function for the TI SCI clock driver
- * @pdev: platform device pointer to be probed
- *
- * Probes the TI SCI clock device. Allocates a new clock provider
- * and registers this to the common clock framework. Also applies
- * any required flags to the identified clocks via clock lists
- * supplied from DT. Returns 0 for success, negative error value
- * for failure.
- */
-static int ti_sci_clk_probe(struct platform_device *pdev)
+static int ti_sci_scan_clocks_from_fw(struct sci_clk_provider *provider)
{
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct sci_clk_provider *provider;
- const struct ti_sci_handle *handle;
int ret;
int num_clks = 0;
struct sci_clk **clks = NULL;
@@ -429,18 +415,7 @@ static int ti_sci_clk_probe(struct platform_device *pdev)
int dev_id = 0;
u8 num_parents;
int gap_size = 0;
-
- handle = devm_ti_sci_get_handle(dev);
- if (IS_ERR(handle))
- return PTR_ERR(handle);
-
- provider = devm_kzalloc(dev, sizeof(*provider), GFP_KERNEL);
- if (!provider)
- return -ENOMEM;
-
- provider->sci = handle;
- provider->ops = &handle->ops.clk_ops;
- provider->dev = dev;
+ struct device *dev = provider->dev;
while (1) {
ret = provider->ops->get_num_parents(provider->sci, dev_id,
@@ -501,6 +476,45 @@ static int ti_sci_clk_probe(struct platform_device *pdev)
devm_kfree(dev, clks);
+ return 0;
+}
+
+/**
+ * ti_sci_clk_probe - Probe function for the TI SCI clock driver
+ * @pdev: platform device pointer to be probed
+ *
+ * Probes the TI SCI clock device. Allocates a new clock provider
+ * and registers this to the common clock framework. Also applies
+ * any required flags to the identified clocks via clock lists
+ * supplied from DT. Returns 0 for success, negative error value
+ * for failure.
+ */
+static int ti_sci_clk_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct sci_clk_provider *provider;
+ const struct ti_sci_handle *handle;
+ int ret;
+
+ handle = devm_ti_sci_get_handle(dev);
+ if (IS_ERR(handle))
+ return PTR_ERR(handle);
+
+ provider = devm_kzalloc(dev, sizeof(*provider), GFP_KERNEL);
+ if (!provider)
+ return -ENOMEM;
+
+ provider->sci = handle;
+ provider->ops = &handle->ops.clk_ops;
+ provider->dev = dev;
+
+ ret = ti_sci_scan_clocks_from_fw(provider);
+ if (ret) {
+ dev_err(dev, "scan clocks from FW failed: %d\n", ret);
+ return ret;
+ }
+
ret = ti_sci_init_clocks(provider);
if (ret) {
pr_err("ti-sci-init-clocks failed.\n");