Thread (9 messages) flat view 9 messages, 3 authors, 2021-11-26

[v12 2/2] pwm: Add Aspeed ast2600 PWM support

From: Philipp Zabel <p.zabel@pengutronix.de>
Date: 2021-11-26 10:22:10
Also in: linux-arm-kernel, linux-devicetree, linux-pwm, lkml

Hi Billy,

On Mon, 2021-09-06 at 10:43 +0800, Billy Tsai wrote:
[...]
+static int aspeed_pwm_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	int ret;
+	struct aspeed_pwm_data *priv;
+	struct device_node *np;
+	struct platform_device *parent_dev;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	np = pdev->dev.parent->of_node;
+	if (!of_device_is_compatible(np, "aspeed,ast2600-pwm-tach"))
+		return dev_err_probe(dev, -ENODEV,
+				     "Unsupported pwm device binding\n");
+
+	priv->regmap = syscon_node_to_regmap(np);
+	if (IS_ERR(priv->regmap))
+		return dev_err_probe(dev, PTR_ERR(priv->regmap),
+				     "Couldn't get regmap\n");
+
+	parent_dev = of_find_device_by_node(np);
+	priv->clk = devm_clk_get(&parent_dev->dev, 0);
+	if (IS_ERR(priv->clk))
+		return dev_err_probe(dev, PTR_ERR(priv->clk),
+				     "Couldn't get clock\n");
+
+	priv->reset = devm_reset_control_get_shared(&parent_dev->dev, NULL);
+	if (IS_ERR(priv->reset)) {
+		return dev_err_probe(dev, PTR_ERR(priv->reset),
+				     "Couldn't get reset control\n");
+	}
I'd remove these curly braces for consistency with the code above.

regards
Philipp
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