diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clk/keystone/sci-clk.c | 68 |
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"); |