write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/usb/chipidea/ci_hdrc_usb2.c
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@@ -28,13 +28,19 @@
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 	.flags		= CI_HDRC_DISABLE_STREAMING,
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 };
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-static struct ci_hdrc_platform_data ci_zynq_pdata = {
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+static const struct ci_hdrc_platform_data ci_zynq_pdata = {
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 	.capoffset	= DEF_CAPOFFSET,
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 };
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+static const struct ci_hdrc_platform_data ci_zevio_pdata = {
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+	.capoffset	= DEF_CAPOFFSET,
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+	.flags		= CI_HDRC_REGS_SHARED | CI_HDRC_FORCE_FULLSPEED,
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+};
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+
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 static const struct of_device_id ci_hdrc_usb2_of_match[] = {
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-	{ .compatible = "chipidea,usb2"},
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-	{ .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata},
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+	{ .compatible = "chipidea,usb2" },
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+	{ .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata },
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+	{ .compatible = "lsi,zevio-usb", .data = &ci_zevio_pdata },
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 	{ }
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 };
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 MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match);
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@@ -64,13 +70,14 @@
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 	if (!priv)
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 		return -ENOMEM;
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-	priv->clk = devm_clk_get(dev, NULL);
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-	if (!IS_ERR(priv->clk)) {
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-		ret = clk_prepare_enable(priv->clk);
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-		if (ret) {
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-			dev_err(dev, "failed to enable the clock: %d\n", ret);
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-			return ret;
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-		}
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+	priv->clk = devm_clk_get_optional(dev, NULL);
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+	if (IS_ERR(priv->clk))
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+		return PTR_ERR(priv->clk);
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+
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+	ret = clk_prepare_enable(priv->clk);
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+	if (ret) {
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+		dev_err(dev, "failed to enable the clock: %d\n", ret);
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+		return ret;
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 	}
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 	ci_pdata->name = dev_name(dev);
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@@ -94,8 +101,7 @@
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 	return 0;
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 clk_err:
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-	if (!IS_ERR(priv->clk))
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-		clk_disable_unprepare(priv->clk);
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+	clk_disable_unprepare(priv->clk);
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 	return ret;
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 }
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