From 09b5391c16655893159fe8a58c8b7e31499ef107 Mon Sep 17 00:00:00 2001 From: Ajay Sharma Date: Thu, 3 Nov 2022 12:16:22 -0700 Subject: [PATCH 06/23] net: mana: Set the DMA device max segment size MANA hardware doesn't have any restrictions on the DMA segment size, set it to the max allowed value. Signed-off-by: Ajay Sharma Reviewed-by: Dexuan Cui Signed-off-by: Long Li Link: https://lore.kernel.org/r/1667502990-2559-5-git-send-email-longli@linuxonhyperv.com Acked-by: Haiyang Zhang Signed-off-by: Leon Romanovsky (cherry picked from commit 6fe254160bd033a1e62dbad9b734183b31144678) Signed-off-by: Bastian Blank --- drivers/net/ethernet/microsoft/mana/gdma_main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c index a00bd88443d3..bc00a7d07232 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c @@ -1403,6 +1403,12 @@ static int mana_gd_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto release_region; + err = dma_set_max_seg_size(&pdev->dev, UINT_MAX); + if (err) { + dev_err(&pdev->dev, "Failed to set dma device segment size\n"); + goto release_region; + } + err = -ENOMEM; gc = vzalloc(sizeof(*gc)); if (!gc) -- 2.40.1