linux-kernel - [PATCH 2/5] i2c: imx-lpi2c: add IRQF_NO

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Message-Id: <20240829093722.2714921-2-carlos.song@nxp.com>
Date: Thu, 29 Aug 2024 17:37:19 +0800
From: carlos.song@....com
To: aisheng.dong@....com,
	andi.shyti@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com
Cc: linux-i2c@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] i2c: imx-lpi2c: add IRQF_NO_SUSPEND IRQ flag

From: Carlos Song <carlos.song@....com>

Set IRQF_NO_SUSPEND flag when request_irq(). Some devices such
as extend GPIO will need i2c transfer during the entire system
suspend and resume period so keep it enabled.

Signed-off-by: Carlos Song <carlos.song@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
 drivers/i2c/busses/i2c-imx-lpi2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index c8f3dadfb36e..23f83f10d5f6 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -1309,7 +1309,7 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
 	if (ret)
 		lpi2c_imx->bitrate = I2C_MAX_STANDARD_MODE_FREQ;
 
-	ret = devm_request_irq(&pdev->dev, irq, lpi2c_imx_isr, 0,
+	ret = devm_request_irq(&pdev->dev, irq, lpi2c_imx_isr, IRQF_NO_SUSPEND,
 			       pdev->name, lpi2c_imx);
 	if (ret)
 		return dev_err_probe(&pdev->dev, ret, "can't claim irq %d\n", irq);
-- 
2.34.1