From: Olof Johansson Date: Thu, 29 Nov 2007 02:58:06 +0000 (-0600) Subject: pasemi_mac: Print warning when not attaching to a PHY X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~39880^2~568 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=8304b633c5e8c9ba34d3cc7f24f52434d3a3b93b;p=mirror_ubuntu-focal-kernel.git pasemi_mac: Print warning when not attaching to a PHY pasemi_mac: Print warning when not attaching to a PHY Print a warning on the console when not connecting to a phy for an interface. It turns out to be a pretty common problem when someone gets the MDIO info wrong in their device tree, resulting in the macs running at a fixed 1Gbit FD. Signed-off-by: Olof Johansson Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index 07475bb7d860..7345a81bb2c6 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -1064,11 +1064,12 @@ static int pasemi_mac_open(struct net_device *dev) write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); ret = pasemi_mac_phy_init(dev); - /* Some configs don't have PHYs (XAUI etc), so don't complain about - * failed init due to -ENODEV. + /* Warn for missing PHY on SGMII (1Gig) ports. */ - if (ret && ret != -ENODEV) - dev_warn(&mac->pdev->dev, "phy init failed: %d\n", ret); + if (ret && mac->type == MAC_TYPE_GMAC) { + dev_warn(&mac->pdev->dev, "PHY init failed: %d.\n", ret); + dev_warn(&mac->pdev->dev, "Defaulting to 1Gbit full duplex\n"); + } netif_start_queue(dev); napi_enable(&mac->napi);