linux-kernel - [PATCH 2/4] mailbox: qcom-ipcc: Support more IPCC instance

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Date:   Mon, 22 Nov 2021 13:05:07 +0800
From:   Huang Yiwei <quic_hyiwei@...cinc.com>
To:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <mani@...nel.org>, <jassisinghbrar@...il.com>, <robh+dt@...nel.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <quic_psodagud@...cinc.com>,
        <quic_tsoni@...cinc.com>, <quic_aiquny@...cinc.com>,
        <quic_eberman@...cinc.com>, Huang Yiwei <quic_hyiwei@...cinc.com>
Subject: [PATCH 2/4] 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@...cinc.com>
---
 drivers/mailbox/qcom-ipcc.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/qcom-ipcc.c b/drivers/mailbox/qcom-ipcc.c
index 10cb0b546109..e80aaf83a089 100644
--- a/drivers/mailbox/qcom-ipcc.c
+++ b/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;
-- 
2.17.1