linux-kernel - [PATCH 3/4] mailbox: qcom-ipcc: Support interrupt wake up from suspend

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Date:   Mon, 22 Nov 2021 13:05:08 +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 3/4] mailbox: qcom-ipcc: Support interrupt wake up from suspend

Use IRQF_NO_SUSPEND flag instead of enable_irq_wake to
support interrupt wake up from suspend.

Signed-off-by: Huang Yiwei <quic_hyiwei@...cinc.com>
---
 drivers/mailbox/qcom-ipcc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mailbox/qcom-ipcc.c b/drivers/mailbox/qcom-ipcc.c
index e80aaf83a089..c5d963222014 100644
--- a/drivers/mailbox/qcom-ipcc.c
+++ b/drivers/mailbox/qcom-ipcc.c
@@ -289,13 +289,12 @@ 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, name, ipcc);
+			       IRQF_TRIGGER_HIGH | IRQF_NO_SUSPEND, name, ipcc);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register the irq: %d\n", ret);
 		goto err_req_irq;
 	}
 
-	enable_irq_wake(ipcc->irq);
 	platform_set_drvdata(pdev, ipcc);
 
 	return 0;
-- 
2.17.1