mailbox: qcom-ipcc: Support more IPCC instance

Since hardware is supporting multiple IPCC instance,
use ipcc_%d instead of ipcc as the irq name to support
in driver.
Signed-off-by: Huang Yiwei <quic_hyiwei@quicinc.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

drivers/mailbox/qcom-ipcc.c

@@ -257,6 +257,8 @@ static int qcom_ipcc_setup_mbox(struct qcom_ipcc *ipcc,
 static int qcom_ipcc_probe(struct platform_device *pdev)
 {
 	struct qcom_ipcc *ipcc;
+	static int id;
+	char *name;
 	int ret;
 
 	ipcc = devm_kzalloc(&pdev->dev, sizeof(*ipcc), GFP_KERNEL);
@@ -273,6 +275,10 @@ static int qcom_ipcc_probe(struct platform_device *pdev)
 	if (ipcc->irq < 0)
 		return ipcc->irq;
 
+	name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "ipcc_%d", id++);
+	if (!name)
+		return -ENOMEM;
+
 	ipcc->irq_domain = irq_domain_add_tree(pdev->dev.of_node,
 					       &qcom_ipcc_irq_ops, ipcc);
 	if (!ipcc->irq_domain)
@@ -283,7 +289,7 @@ static int qcom_ipcc_probe(struct platform_device *pdev)
 		goto err_mbox;
 
 	ret = devm_request_irq(&pdev->dev, ipcc->irq, qcom_ipcc_irq_fn,
-			       IRQF_TRIGGER_HIGH, "ipcc", ipcc);
+			       IRQF_TRIGGER_HIGH, name, ipcc);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register the irq: %d\n", ret);
 		goto err_req_irq;