diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0380-net-phylink-add-support-for-polling-MAC-PCS.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0380-net-phylink-add-support-for-polling-MAC-PCS.patch | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0380-net-phylink-add-support-for-polling-MAC-PCS.patch b/target/linux/layerscape/patches-5.4/701-net-0380-net-phylink-add-support-for-polling-MAC-PCS.patch deleted file mode 100644 index f9b97b3f4e..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0380-net-phylink-add-support-for-polling-MAC-PCS.patch +++ /dev/null @@ -1,74 +0,0 @@ -From c12db737cf62ca262c01ec6d4ba942b34db35d8b Mon Sep 17 00:00:00 2001 -From: Vladimir Oltean <vladimir.oltean@nxp.com> -Date: Fri, 27 Dec 2019 19:45:22 +0200 -Subject: [PATCH] net: phylink: add support for polling MAC PCS - -Some MAC PCS blocks are unable to provide interrupts when their status -changes. As we already have support in phylink for polling status, use -this to provide a hook for MACs to enable polling mode. - -The patch idea was picked up from Russell King's suggestion on the macb -phylink patch thread here [0] but the implementation was changed. -Instead of introducing a new phylink_start_poll() function, which would -make the implementation cumbersome for common PHYLINK implementations -for multiple types of devices, like DSA, just add a boolean property to -the phylink_config structure, which is just as backwards-compatible. - -https://lkml.org/lkml/2019/12/16/603 - -Suggested-by: Russell King <rmk+kernel@armlinux.org.uk> -Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> -[rebase] -Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> - -Conflicts: - drivers/net/phy/phylink.c - -with upstream commit 24cf0e693bb5 ("net: phylink: split link_an_mode -configured and current settings") submitted for net-next and merged -during v5.5-rc1. ---- - Documentation/networking/sfp-phylink.rst | 3 ++- - drivers/net/phy/phylink.c | 3 ++- - include/linux/phylink.h | 2 ++ - 3 files changed, 6 insertions(+), 2 deletions(-) - ---- a/Documentation/networking/sfp-phylink.rst -+++ b/Documentation/networking/sfp-phylink.rst -@@ -251,7 +251,8 @@ this documentation. - phylink_mac_change(priv->phylink, link_is_up); - - where ``link_is_up`` is true if the link is currently up or false -- otherwise. -+ otherwise. If a MAC is unable to provide these interrupts, then -+ it should set ``priv->phylink_config.pcs_poll = true;`` in step 9. - - 11. Verify that the driver does not call:: - ---- a/drivers/net/phy/phylink.c -+++ b/drivers/net/phy/phylink.c -@@ -1008,7 +1008,8 @@ void phylink_start(struct phylink *pl) - if (irq <= 0) - mod_timer(&pl->link_poll, jiffies + HZ); - } -- if (pl->cfg_link_an_mode == MLO_AN_FIXED && pl->get_fixed_state) -+ if ((pl->cfg_link_an_mode == MLO_AN_FIXED && pl->get_fixed_state) || -+ pl->config->pcs_poll) - mod_timer(&pl->link_poll, jiffies + HZ); - if (pl->phydev) - phy_start(pl->phydev); ---- a/include/linux/phylink.h -+++ b/include/linux/phylink.h -@@ -63,10 +63,12 @@ enum phylink_op_type { - * struct phylink_config - PHYLINK configuration structure - * @dev: a pointer to a struct device associated with the MAC - * @type: operation type of PHYLINK instance -+ * @pcs_poll: MAC PCS cannot provide link change interrupt - */ - struct phylink_config { - struct device *dev; - enum phylink_op_type type; -+ bool pcs_poll; - }; - - /** |