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From: Paul Cercueil <paul.cercueil@bootlin.com>
To: Robert Richter <rric@kernel.org>, Andi Shyti <andi.shyti@kernel.org>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Sunil Kovvuri Goutham <sgoutham@marvell.com>,
	Umesh Kumar <ukumar@marvell.com>,
	Shashank Gupta <shashankg@marvell.com>,
	Tanmay Jagdale <tanmay@marvell.com>,
	stable@vger.kernel.org, Paul Cercueil <paul.cercueil@bootlin.com>
Subject: [PATCH 2/3] i2c: thunderx: Set DMA mask
Date: Wed,  4 Nov 2026 11:49:11 +0100	[thread overview]
Message-ID: <20261104104912.166301-3-paul.cercueil@bootlin.com> (raw)
In-Reply-To: <20261104104912.166301-1-paul.cercueil@bootlin.com>

From: Tanmay Jagdale <tanmay@marvell.com>

Without it, MSI-X initialization can fail.

Fixes: 4c21541d8da1 ("i2c: thunderx: Replace pci_enable_msix()")
Cc: stable@vger.kernel.org
Signed-off-by: Tanmay Jagdale <tanmay@marvell.com>
Co-developed-by: Paul Cercueil <paul.cercueil@bootlin.com>
Signed-off-by: Paul Cercueil <paul.cercueil@bootlin.com>
---
 drivers/i2c/busses/i2c-thunderx-pcidrv.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
index 3959f23fc440..2208337e649b 100644
--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
@@ -198,6 +198,10 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev,
 	i2c->hlc_int_enable = thunder_i2c_hlc_int_enable;
 	i2c->hlc_int_disable = thunder_i2c_hlc_int_disable;
 
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
+	if (ret < 0)
+		goto error;
+
 	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
 	if (ret < 0)
 		goto error;
-- 
2.47.3


  parent reply	other threads:[~2026-11-04 10:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-04 10:49 [PATCH 0/3] i2c: octeon/thunderx: Fix DMA mask + improvements Paul Cercueil
2026-11-04 10:49 ` [PATCH 1/3] i2c: octeon: Add error state recovery Paul Cercueil
2026-11-04 10:49 ` Paul Cercueil [this message]
2026-11-04 10:49 ` [PATCH 3/3] i2c: thunderx: Use polling with delay in HS mode Paul Cercueil

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