diff options
| author | Maxime Chevallier <maxime.chevallier@bootlin.com> | 2023-06-07 16:59:41 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-07 23:30:46 +0300 |
| commit | 06b9dede1e7d8b7a199f8014aca5a7d7137b41b0 (patch) | |
| tree | eb4fc1686a8b3e0f641cae90bf87a1b6b0e9acd3 /drivers/net | |
| parent | fa19a5d9dcffddae2cb5774df98b09ca3f2ea783 (diff) | |
| download | linux-06b9dede1e7d8b7a199f8014aca5a7d7137b41b0.tar.xz | |
net: dwmac_socfpga: initialize local data for mdio regmap configuration
Explicitly zero-ize the local mdio_regmap_config data, and explicitly
set the .autoscan parameter, as we only have a PCS on this bus.
Fixes: 5d1f3fe7d2d5 ("net: stmmac: dwmac-sogfpga: use the lynx pcs driver")
Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Suggested-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index 1fb808be843b..6267bcb60206 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -389,7 +389,6 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) struct net_device *ndev; struct stmmac_priv *stpriv; const struct socfpga_dwmac_ops *ops; - struct regmap_config pcs_regmap_cfg; ops = device_get_match_data(&pdev->dev); if (!ops) { @@ -447,19 +446,22 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) if (ret) goto err_dvr_remove; - memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); - pcs_regmap_cfg.reg_bits = 16; - pcs_regmap_cfg.val_bits = 16; - pcs_regmap_cfg.reg_shift = REGMAP_UPSHIFT(1); - /* Create a regmap for the PCS so that it can be used by the PCS driver, * if we have such a PCS */ if (dwmac->tse_pcs_base) { + struct regmap_config pcs_regmap_cfg; struct mdio_regmap_config mrc; struct regmap *pcs_regmap; struct mii_bus *pcs_bus; + memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); + memset(&mrc, 0, sizeof(mrc)); + + pcs_regmap_cfg.reg_bits = 16; + pcs_regmap_cfg.val_bits = 16; + pcs_regmap_cfg.reg_shift = REGMAP_UPSHIFT(1); + pcs_regmap = devm_regmap_init_mmio(&pdev->dev, dwmac->tse_pcs_base, &pcs_regmap_cfg); if (IS_ERR(pcs_regmap)) { @@ -470,6 +472,7 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) mrc.regmap = pcs_regmap; mrc.parent = &pdev->dev; mrc.valid_addr = 0x0; + mrc.autoscan = false; snprintf(mrc.name, MII_BUS_ID_SIZE, "%s-pcs-mii", ndev->name); pcs_bus = devm_mdio_regmap_register(&pdev->dev, &mrc); |