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Commit 234738ea authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I
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phy: ti-pipe3: move clk initialization to a separate function



No functional change. Moved clock initialization done in probe to a
separate function as part of cleaning up ti_pipe3_probe.

Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent d65ff52e
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+72 −55
Original line number Diff line number Diff line
@@ -308,48 +308,11 @@ static const struct phy_ops ops = {

static const struct of_device_id ti_pipe3_id_table[];

static int ti_pipe3_probe(struct platform_device *pdev)
static int ti_pipe3_get_clk(struct ti_pipe3 *phy)
{
	struct ti_pipe3 *phy;
	struct phy *generic_phy;
	struct phy_provider *phy_provider;
	struct resource *res;
	struct device_node *node = pdev->dev.of_node;
	struct device_node *control_node;
	struct platform_device *control_pdev;
	const struct of_device_id *match;
	struct clk *clk;
	struct device *dev = &pdev->dev;

	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
	if (!phy)
		return -ENOMEM;

	phy->dev		= dev;

	if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
		match = of_match_device(ti_pipe3_id_table, dev);
		if (!match)
			return -EINVAL;

		phy->dpll_map = (struct pipe3_dpll_map *)match->data;
		if (!phy->dpll_map) {
			dev_err(dev, "no DPLL data\n");
			return -EINVAL;
		}

		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
						   "pll_ctrl");
		phy->pll_ctrl_base = devm_ioremap_resource(dev, res);
		if (IS_ERR(phy->pll_ctrl_base))
			return PTR_ERR(phy->pll_ctrl_base);

		phy->sys_clk = devm_clk_get(dev, "sysclk");
		if (IS_ERR(phy->sys_clk)) {
			dev_err(dev, "unable to get sysclk\n");
			return -EINVAL;
		}
	}
	struct device *dev = phy->dev;
	struct device_node *node = dev->of_node;

	phy->refclk = devm_clk_get(dev, "refclk");
	if (IS_ERR(phy->refclk)) {
@@ -369,25 +332,17 @@ static int ti_pipe3_probe(struct platform_device *pdev)
		}
	} else {
		phy->wkupclk = ERR_PTR(-ENODEV);
		phy->dpll_reset_syscon = syscon_regmap_lookup_by_phandle(node,
							"syscon-pllreset");
		if (IS_ERR(phy->dpll_reset_syscon)) {
			dev_info(dev,
				 "can't get syscon-pllreset, sata dpll won't idle\n");
			phy->dpll_reset_syscon = NULL;
		} else {
			if (of_property_read_u32_index(node,
						       "syscon-pllreset", 1,
						       &phy->dpll_reset_reg)) {
				dev_err(dev,
					"couldn't get pllreset reg. offset\n");
				return -EINVAL;
	}

	if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
		phy->sys_clk = devm_clk_get(dev, "sysclk");
		if (IS_ERR(phy->sys_clk)) {
			dev_err(dev, "unable to get sysclk\n");
			return -EINVAL;
		}
	}

	if (of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {

		clk = devm_clk_get(dev, "dpll_ref");
		if (IS_ERR(clk)) {
			dev_err(dev, "unable to get dpll ref clk\n");
@@ -418,6 +373,68 @@ static int ti_pipe3_probe(struct platform_device *pdev)
		phy->div_clk = ERR_PTR(-ENODEV);
	}

	return 0;
}

static int ti_pipe3_probe(struct platform_device *pdev)
{
	struct ti_pipe3 *phy;
	struct phy *generic_phy;
	struct phy_provider *phy_provider;
	struct resource *res;
	struct device_node *node = pdev->dev.of_node;
	struct device_node *control_node;
	struct platform_device *control_pdev;
	const struct of_device_id *match;
	struct device *dev = &pdev->dev;
	int ret;

	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
	if (!phy)
		return -ENOMEM;

	phy->dev		= dev;

	if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) {
		match = of_match_device(ti_pipe3_id_table, dev);
		if (!match)
			return -EINVAL;

		phy->dpll_map = (struct pipe3_dpll_map *)match->data;
		if (!phy->dpll_map) {
			dev_err(dev, "no DPLL data\n");
			return -EINVAL;
		}

		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
						   "pll_ctrl");
		phy->pll_ctrl_base = devm_ioremap_resource(dev, res);
		if (IS_ERR(phy->pll_ctrl_base))
			return PTR_ERR(phy->pll_ctrl_base);
	}

	if (of_device_is_compatible(node, "ti,phy-pipe3-sata")) {
		phy->dpll_reset_syscon = syscon_regmap_lookup_by_phandle(node,
							"syscon-pllreset");
		if (IS_ERR(phy->dpll_reset_syscon)) {
			dev_info(dev,
				 "can't get syscon-pllreset, sata dpll won't idle\n");
			phy->dpll_reset_syscon = NULL;
		} else {
			if (of_property_read_u32_index(node,
						       "syscon-pllreset", 1,
						       &phy->dpll_reset_reg)) {
				dev_err(dev,
					"couldn't get pllreset reg. offset\n");
				return -EINVAL;
			}
		}
	}

	ret = ti_pipe3_get_clk(phy);
	if (ret)
		return ret;

	control_node = of_parse_phandle(node, "ctrl-module", 0);
	if (!control_node) {
		dev_err(dev, "Failed to get control device phandle\n");