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nfp: use dev_info for the DMA mask

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In preparation for new chips instead of defines use dev_info constants
to store DMA mask length.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Fei Qin <fei.qin@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-03-11 11:43:03 +01:00 committed by Jakub Kicinski
parent f524b335c0
commit 9ba1dc994f
5 changed files with 6 additions and 7 deletions
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3
drivers/net/ethernet/netronome/nfp/nfp_main.c
View File

@ -685,8 +685,7 @@ static int nfp_pci_probe(struct pci_dev *pdev,
pci_set_master(pdev);
err = dma_set_mask_and_coherent(&pdev->dev,
DMA_BIT_MASK(NFP_NET_MAX_DMA_BITS));
err = dma_set_mask_and_coherent(&pdev->dev, dev_info->dma_mask);
if (err)
goto err_pci_disable;

3
drivers/net/ethernet/netronome/nfp/nfp_net.h
View File

@ -63,9 +63,6 @@
#define NFP_NET_Q0_BAR 2
#define NFP_NET_Q1_BAR 4 /* OBSOLETE */
/* Max bits in DMA address */
#define NFP_NET_MAX_DMA_BITS 40
/* Default size for MTU and freelist buffer sizes */
#define NFP_NET_DEFAULT_MTU 1500U

3
drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c
View File

@ -98,8 +98,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev,
pci_set_master(pdev);
err = dma_set_mask_and_coherent(&pdev->dev,
DMA_BIT_MASK(NFP_NET_MAX_DMA_BITS));
err = dma_set_mask_and_coherent(&pdev->dev, dev_info->dma_mask);
if (err)
goto err_pci_regions;

3
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.c
View File

@ -1,10 +1,13 @@
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/* Copyright (C) 2019 Netronome Systems, Inc. */
#include <linux/dma-mapping.h>
#include "nfp_dev.h"
const struct nfp_dev_info nfp_dev_info[NFP_DEV_CNT] = {
[NFP_DEV_NFP6000] = {
.dma_mask = DMA_BIT_MASK(40),
.chip_names = "NFP4000/NFP5000/NFP6000",
.pcie_cfg_expbar_offset = 0x0400,
.pcie_expl_offset = 0x1000,

1
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_dev.h
View File

@ -12,6 +12,7 @@ enum nfp_dev_id {
};
struct nfp_dev_info {
u64 dma_mask;
const char *chip_names;
u32 pcie_cfg_expbar_offset;
u32 pcie_expl_offset;