linux-kernel - [PATCH 2/6] i3c: dw: Use IRQF_SHARED flag for dw-i3c-master

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Message-ID: <20241017150330.3035568-3-Shyam-sundar.S-k@amd.com>
Date: Thu, 17 Oct 2024 20:33:26 +0530
From: Shyam Sundar S K <Shyam-sundar.S-k@....com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, Jarkko Nikula
	<jarkko.nikula@...ux.intel.com>
CC: <Sanket.Goswami@....com>, <linux-i3c@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Shyam Sundar S K <Shyam-sundar.S-k@....com>
Subject: [PATCH 2/6] i3c: dw: Use IRQF_SHARED flag for dw-i3c-master

On AMD platforms, the IRQ lines are shared between two instances of I3C.
Add IRQF_SHARED flag during the interrupt registration process.

Co-developed-by: Sanket Goswami <Sanket.Goswami@....com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@....com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@....com>
---
 drivers/i3c/master/dw-i3c-master.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index 1a7c300b6d45..fd58a95ae1c3 100644
--- a/drivers/i3c/master/dw-i3c-master.c
+++ b/drivers/i3c/master/dw-i3c-master.c
@@ -1578,7 +1578,7 @@ int dw_i3c_common_probe(struct dw_i3c_master *master,
 	writel(INTR_ALL, master->regs + INTR_STATUS);
 	irq = platform_get_irq(pdev, 0);
 	ret = devm_request_irq(&pdev->dev, irq,
-			       dw_i3c_master_irq_handler, 0,
+			       dw_i3c_master_irq_handler, IRQF_SHARED,
 			       dev_name(&pdev->dev), master);
 	if (ret)
 		goto err_assert_rst;
-- 
2.34.1