Re: [PATCH v8 4/6] media: platform: synopsys: Add support for HDMI input driver

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Le 23/02/2025 à 18:30, Dmitry Osipenko a écrit :
From: Shreeya Patel <shreeya.patel@xxxxxxxxxxxxx>

Add initial support for the Synopsys DesignWare HDMI RX
Controller Driver used by Rockchip RK3588. The driver
supports:
  - HDMI 1.4b and 2.0 modes (HDMI 4k@60Hz)
  - RGB888, YUV422, YUV444 and YCC420 pixel formats
  - CEC
  - EDID configuration

The hardware also has Audio and HDCP capabilities, but these are
not yet supported by the driver.

Co-developed-by: Dingxian Wen <shawn.wen@xxxxxxxxxxxxxx>
Signed-off-by: Dingxian Wen <shawn.wen@xxxxxxxxxxxxxx>
Signed-off-by: Shreeya Patel <shreeya.patel@xxxxxxxxxxxxx>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>

Hi,

+	hdmirx_dev->dev = dev;
+	dev_set_drvdata(dev, hdmirx_dev);
+
+	ret = hdmirx_parse_dt(hdmirx_dev);
+	if (ret)
+		return ret;
+
+	ret = hdmirx_setup_irq(hdmirx_dev, pdev);
+	if (ret)
+		return ret;

From here, should of_reserved_mem_device_release() be called in the error handling path, as done in the remove function?

+
+	hdmirx_dev->regs = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(hdmirx_dev->regs))
+		return dev_err_probe(dev, PTR_ERR(hdmirx_dev->regs),
+				     "failed to remap regs resource\n");

...

+static const struct of_device_id hdmirx_id[] = {
+	{ .compatible = "rockchip,rk3588-hdmirx-ctrler" },
+	{ },

Unneeded trailing comma after a terminator.

+};
+MODULE_DEVICE_TABLE(of, hdmirx_id);

...

+	ret = cec_register_adapter(cec->adap, cec->dev);
+	if (ret < 0) {
+		dev_err(cec->dev, "cec register adapter failed\n");
+		cec_unregister_adapter(cec->adap);

Is it needed to call cec_unregister_adapter() when cec_register_adapter() fails?

+		return NULL;
+	}
+
+	irqs = CECTX_LINE_ERR | CECTX_NACK | CECRX_EOM | CECTX_DONE;
+	hdmirx_cec_write(cec, CEC_INT_MASK_N, irqs);
+

CJ





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