From: Hariprasad Kelam <hkelam@marvell.com>
Date: Sun, 20 Jul 2025 16:36:37 +0000 (+0530)
Subject: Octeontx2-af: RPM: Update DMA mask
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5295b5a58492f94833bc0ed0a157c32ec973c8c;p=thirdparty%2Flinux.git

Octeontx2-af: RPM: Update DMA mask

CGX/RPM driver supports 48 bits of DMA addressing. Update
the DMA mask accordingly.

Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250720163638.1560323-4-hkelam@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index cd6c5229d0edd..ab5838865c3f8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -1964,6 +1964,12 @@ static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_disable_device;
 	}
 
+	err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
+	if (err) {
+		dev_err(dev, "DMA mask config failed, abort\n");
+		goto err_release_regions;
+	}
+
 	/* MAP configuration registers */
 	cgx->reg_base = pcim_iomap(pdev, PCI_CFG_REG_BAR_NUM, 0);
 	if (!cgx->reg_base) {