Message ID | 20210926032114.1785872-3-f.fainelli@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | net: bcmgenet: support for flow control | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Clearly marked for net-next |
netdev/subject_prefix | success | Link |
netdev/cc_maintainers | success | CCed 6 of 6 maintainers |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 77 lines checked |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
On Sat, Sep 25, 2021 at 08:21:12PM -0700, Florian Fainelli wrote: > From: Doug Berger <opendmb@gmail.com> > > The PHY state machine has been fixed to only call the adjust_link > callback when the link state has changed. Therefore the old link > state variables are no longer needed to detect a change in link > state. > > This commit effectively reverts > commit 5ad6e6c50899 ("net: bcmgenet: improve bcmgenet_mii_setup()") > > Signed-off-by: Doug Berger <opendmb@gmail.com> > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Andrew
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 23c7595d2a1d..3427f9ed7eb9 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3408,11 +3408,6 @@ static void bcmgenet_netif_stop(struct net_device *dev) */ cancel_work_sync(&priv->bcmgenet_irq_work); - priv->old_link = -1; - priv->old_speed = -1; - priv->old_duplex = -1; - priv->old_pause = -1; - /* tx reclaim */ bcmgenet_tx_reclaim_all(dev); bcmgenet_fini_dma(priv); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 0a6d91b0f0aa..406249bc9fe5 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -606,10 +606,6 @@ struct bcmgenet_priv { bool clk_eee_enabled; /* PHY device variables */ - int old_link; - int old_speed; - int old_duplex; - int old_pause; phy_interface_t phy_interface; int phy_addr; int ext_phy; diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 8a9d8ceaa5bf..8fce5878a7d9 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -33,34 +33,8 @@ void bcmgenet_mii_setup(struct net_device *dev) struct bcmgenet_priv *priv = netdev_priv(dev); struct phy_device *phydev = dev->phydev; u32 reg, cmd_bits = 0; - bool status_changed = false; - - if (priv->old_link != phydev->link) { - status_changed = true; - priv->old_link = phydev->link; - } if (phydev->link) { - /* check speed/duplex/pause changes */ - if (priv->old_speed != phydev->speed) { - status_changed = true; - priv->old_speed = phydev->speed; - } - - if (priv->old_duplex != phydev->duplex) { - status_changed = true; - priv->old_duplex = phydev->duplex; - } - - if (priv->old_pause != phydev->pause) { - status_changed = true; - priv->old_pause = phydev->pause; - } - - /* done if nothing has changed */ - if (!status_changed) - return; - /* speed */ if (phydev->speed == SPEED_1000) cmd_bits = CMD_SPEED_1000; @@ -102,10 +76,6 @@ void bcmgenet_mii_setup(struct net_device *dev) reg |= CMD_TX_EN | CMD_RX_EN; } bcmgenet_umac_writel(priv, reg, UMAC_CMD); - } else { - /* done if nothing has changed */ - if (!status_changed) - return; } phy_print_status(phydev); @@ -294,12 +264,6 @@ int bcmgenet_mii_probe(struct net_device *dev) if (priv->internal_phy) phy_flags = priv->gphy_rev; - /* Initialize link state variables that bcmgenet_mii_setup() uses */ - priv->old_link = -1; - priv->old_speed = -1; - priv->old_duplex = -1; - priv->old_pause = -1; - /* This is an ugly quirk but we have not been correctly interpreting * the phy_interface values and we have done that across different * drivers, so at least we are consistent in our mistakes.