Revert "soc: qcom: smd-rpm: Match rpmsg channel instead of compatible"

The rpm_requests device nodes have the compatible node. As such the
rpmsg core uses OF modalias instead of a native rpmsg modalias. Thus if
smd-rpm is built as a module, it doesn't get autoloaded for the device.

Revert the commit bcabe1e09135 ("soc: qcom: smd-rpm: Match rpmsg channel
instead of compatible")

Fixes: bcabe1e09135 ("soc: qcom: smd-rpm: Match rpmsg channel instead of compatible")
Cc: [e-mail]
Signed-off-by: Dmitry Baryshkov <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bjorn Andersson <[e-mail]>

drivers/soc/qcom/smd-rpm.c

···
 {
 	struct qcom_smd_rpm *rpm;
 
-	if (!rpdev->dev.of_node)
-		return -EINVAL;
-
 	rpm = devm_kzalloc(&rpdev->dev, sizeof(*rpm), GFP_KERNEL);
 	if (!rpm)
 		return -ENOMEM;
···
 	of_platform_depopulate(&rpdev->dev);
 }
 
-static const struct rpmsg_device_id qcom_smd_rpm_id_table[] = {
-	{ .name = "rpm_requests", },
-	{ /* sentinel */ }
+static const struct of_device_id qcom_smd_rpm_of_match[] = {
+	{ .compatible = "qcom,rpm-apq8084" },
+	{ .compatible = "qcom,rpm-ipq6018" },
+	{ .compatible = "qcom,rpm-ipq9574" },
+	{ .compatible = "qcom,rpm-msm8226" },
+	{ .compatible = "qcom,rpm-msm8909" },
+	{ .compatible = "qcom,rpm-msm8916" },
+	{ .compatible = "qcom,rpm-msm8936" },
+	{ .compatible = "qcom,rpm-msm8953" },
+	{ .compatible = "qcom,rpm-msm8974" },
+	{ .compatible = "qcom,rpm-msm8976" },
+	{ .compatible = "qcom,rpm-msm8994" },
+	{ .compatible = "qcom,rpm-msm8996" },
+	{ .compatible = "qcom,rpm-msm8998" },
+	{ .compatible = "qcom,rpm-sdm660" },
+	{ .compatible = "qcom,rpm-sm6115" },
+	{ .compatible = "qcom,rpm-sm6125" },
+	{ .compatible = "qcom,rpm-sm6375" },
+	{ .compatible = "qcom,rpm-qcm2290" },
+	{ .compatible = "qcom,rpm-qcs404" },
+	{}
 };
-MODULE_DEVICE_TABLE(rpmsg, qcom_smd_rpm_id_table);
+MODULE_DEVICE_TABLE(of, qcom_smd_rpm_of_match);
 
 static struct rpmsg_driver qcom_smd_rpm_driver = {
 	.probe = qcom_smd_rpm_probe,
 	.remove = qcom_smd_rpm_remove,
 	.callback = qcom_smd_rpm_callback,
-	.id_table = qcom_smd_rpm_id_table,
-	.drv.name = "qcom_smd_rpm",
+	.drv  = {
+		.name  = "qcom_smd_rpm",
+		.of_match_table = qcom_smd_rpm_of_match,
+	},
 };
 
 static int __init qcom_smd_rpm_init(void)