* [PATCH v4 0/2] net: phylink: add phylink_set_mac_pm() helper @ 2022-10-10 20:48 Shenwei Wang 2022-10-10 20:48 ` [PATCH v4 1/2] net: phylink: add mac_managed_pm in phylink_config structure Shenwei Wang 2022-10-10 20:48 ` [PATCH v4 2/2] net: stmmac: Enable mac_managed_pm phylink config Shenwei Wang 0 siblings, 2 replies; 5+ messages in thread From: Shenwei Wang @ 2022-10-10 20:48 UTC (permalink / raw) To: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Coquelin, Russell King, Andrew Lunn, Heiner Kallweit Cc: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu, netdev, linux-stm32, linux-arm-kernel, imx, Shenwei Wang Per Russell's suggestion, the implementation is changed from the helper function to add an extra property in phylink_config structure because this change can easily cover SFP usecase too. Changes in v4: - Clean up the codes in phylink.c - Continue the version number Shenwei Wang (2): net: phylink: add mac_managed_pm in phylink_config structure net: stmmac: Enable mac_managed_pm phylink config drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 + drivers/net/phy/phylink.c | 3 +++ include/linux/phylink.h | 2 ++ 3 files changed, 6 insertions(+) -- 2.34.1 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v4 1/2] net: phylink: add mac_managed_pm in phylink_config structure 2022-10-10 20:48 [PATCH v4 0/2] net: phylink: add phylink_set_mac_pm() helper Shenwei Wang @ 2022-10-10 20:48 ` Shenwei Wang 2022-10-13 10:43 ` Russell King (Oracle) 2022-10-10 20:48 ` [PATCH v4 2/2] net: stmmac: Enable mac_managed_pm phylink config Shenwei Wang 1 sibling, 1 reply; 5+ messages in thread From: Shenwei Wang @ 2022-10-10 20:48 UTC (permalink / raw) To: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Coquelin, Russell King, Andrew Lunn, Heiner Kallweit Cc: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu, netdev, linux-stm32, linux-arm-kernel, imx, Shenwei Wang The recent commit 'commit 47ac7b2f6a1f ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")' requires the MAC driver explicitly tell the phy driver who is managing the PM, otherwise you will see warning during resume stage. Add a boolean property in the phylink_config structure so that the MAC driver can use it to tell the PHY driver if it wants to manage the PM. Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> --- drivers/net/phy/phylink.c | 3 +++ include/linux/phylink.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index e9d62f9598f9..8d54bbe14b6a 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1439,6 +1439,9 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy, if (phy_interrupt_is_valid(phy)) phy_request_interrupt(phy); + if (pl->config->mac_managed_pm) + phy->mac_managed_pm = true; + return 0; } diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 6d06896fc20d..a3adf7fe7eaf 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -88,6 +88,7 @@ enum phylink_op_type { * (See commit 7cceb599d15d ("net: phylink: avoid mac_config calls") * @poll_fixed_state: if true, starts link_poll, * if MAC link is at %MLO_AN_FIXED mode. + * @mac_managed_pm: if true, indicate the MAC driver is responsible for PHY PM. * @ovr_an_inband: if true, override PCS to MLO_AN_INBAND * @get_fixed_state: callback to execute to determine the fixed link state, * if MAC link is at %MLO_AN_FIXED mode. @@ -100,6 +101,7 @@ struct phylink_config { enum phylink_op_type type; bool legacy_pre_march2020; bool poll_fixed_state; + bool mac_managed_pm; bool ovr_an_inband; void (*get_fixed_state)(struct phylink_config *config, struct phylink_link_state *state); -- 2.34.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v4 1/2] net: phylink: add mac_managed_pm in phylink_config structure 2022-10-10 20:48 ` [PATCH v4 1/2] net: phylink: add mac_managed_pm in phylink_config structure Shenwei Wang @ 2022-10-13 10:43 ` Russell King (Oracle) 0 siblings, 0 replies; 5+ messages in thread From: Russell King (Oracle) @ 2022-10-13 10:43 UTC (permalink / raw) To: Shenwei Wang Cc: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Coquelin, Andrew Lunn, Heiner Kallweit, Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu, netdev, linux-stm32, linux-arm-kernel, imx On Mon, Oct 10, 2022 at 03:48:26PM -0500, Shenwei Wang wrote: > The recent commit > > 'commit 47ac7b2f6a1f ("net: phy: Warn about incorrect > mdio_bus_phy_resume() state")' > > requires the MAC driver explicitly tell the phy driver who is > managing the PM, otherwise you will see warning during resume > stage. > > Add a boolean property in the phylink_config structure so that > the MAC driver can use it to tell the PHY driver if it wants to > manage the PM. > > Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> Perfect, thank you! Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v4 2/2] net: stmmac: Enable mac_managed_pm phylink config 2022-10-10 20:48 [PATCH v4 0/2] net: phylink: add phylink_set_mac_pm() helper Shenwei Wang 2022-10-10 20:48 ` [PATCH v4 1/2] net: phylink: add mac_managed_pm in phylink_config structure Shenwei Wang @ 2022-10-10 20:48 ` Shenwei Wang 2022-10-13 0:45 ` Jakub Kicinski 1 sibling, 1 reply; 5+ messages in thread From: Shenwei Wang @ 2022-10-10 20:48 UTC (permalink / raw) To: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Coquelin, Russell King, Andrew Lunn, Heiner Kallweit Cc: Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu, netdev, linux-stm32, linux-arm-kernel, imx, Shenwei Wang Enable the mac_managed_pm configuration in the phylink_config structure to avoid the kernel warning during system resume. Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 8418e795cc21..537e8e61bb97 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1214,6 +1214,7 @@ static int stmmac_phy_setup(struct stmmac_priv *priv) if (priv->plat->tx_queues_to_use > 1) priv->phylink_config.mac_capabilities &= ~(MAC_10HD | MAC_100HD | MAC_1000HD); + priv->phylink_config.mac_managed_pm = true; phylink = phylink_create(&priv->phylink_config, fwnode, mode, &stmmac_phylink_mac_ops); -- 2.34.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v4 2/2] net: stmmac: Enable mac_managed_pm phylink config 2022-10-10 20:48 ` [PATCH v4 2/2] net: stmmac: Enable mac_managed_pm phylink config Shenwei Wang @ 2022-10-13 0:45 ` Jakub Kicinski 0 siblings, 0 replies; 5+ messages in thread From: Jakub Kicinski @ 2022-10-13 0:45 UTC (permalink / raw) To: Shenwei Wang Cc: David S. Miller, Eric Dumazet, Paolo Abeni, Maxime Coquelin, Russell King, Andrew Lunn, Heiner Kallweit, Giuseppe Cavallaro, Alexandre Torgue, Jose Abreu, netdev, linux-stm32, linux-arm-kernel, imx On Mon, 10 Oct 2022 15:48:27 -0500 Shenwei Wang wrote: > Enable the mac_managed_pm configuration in the phylink_config > structure to avoid the kernel warning during system resume. > > Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> Could you add a Fixes tag pointing to where the warning first appeared? ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-10-13 10:43 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-10-10 20:48 [PATCH v4 0/2] net: phylink: add phylink_set_mac_pm() helper Shenwei Wang 2022-10-10 20:48 ` [PATCH v4 1/2] net: phylink: add mac_managed_pm in phylink_config structure Shenwei Wang 2022-10-13 10:43 ` Russell King (Oracle) 2022-10-10 20:48 ` [PATCH v4 2/2] net: stmmac: Enable mac_managed_pm phylink config Shenwei Wang 2022-10-13 0:45 ` Jakub Kicinski
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