From f5295b5a58492f94833bc0ed0a157c32ec973c8c Mon Sep 17 00:00:00 2001 From: Hariprasad Kelam Date: Sun, 20 Jul 2025 22:06:37 +0530 Subject: [PATCH] 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 Reviewed-by: Simon Horman Link: https://patch.msgid.link/20250720163638.1560323-4-hkelam@marvell.com Signed-off-by: Paolo Abeni --- drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 6 ++++++ 1 file changed, 6 insertions(+) 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) { -- 2.47.2