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Message-ID: <20251027120559.GA365372@ragnatech.se>
Date: Mon, 27 Oct 2025 13:05:59 +0100
From: Niklas Söderlund <niklas.soderlund@...natech.se>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: netdev@...r.kernel.org, Nicolas Ferre <nicolas.ferre@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
Andrew Lunn <andrew+netdev@...n.ch>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Wei Fang <wei.fang@....com>,
Shenwei Wang <shenwei.wang@....com>, Clark Wang <xiaoning.wang@....com>,
Paul Barker <paul@...rker.dev>, Siddharth Vadapalli <s-vadapalli@...com>,
Roger Quadros <rogerq@...nel.org>, Alex Elder <elder@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Stephan Gerhold <stephan@...hold.net>,
Loic Poulain <loic.poulain@....qualcomm.com>,
Sergey Ryazanov <ryazanov.s.a@...il.com>,
Johannes Berg <johannes@...solutions.net>,
Chandrashekar Devegowda <chandrashekar.devegowda@...el.com>,
Chiranjeevi Rapolu <chiranjeevi.rapolu@...ux.intel.com>,
Liu Haijun <haijun.liu@...iatek.com>,
Ricardo Martinez <ricardo.martinez@...ux.intel.com>,
"Dr. David Alan Gilbert" <linux@...blig.org>,
Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
Michael Nemanov <michael.nemanov@...com>, Kalle Valo <kvalo@...nel.org>,
Andreas Kemnade <andreas@...nade.info>,
Roopni Devanathan <quic_rdevanat@...cinc.com>,
Thomas Weißschuh <linux@...ssschuh.net>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jeff Johnson <jeff.johnson@....qualcomm.com>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>, imx@...ts.linux.dev,
linux-renesas-soc@...r.kernel.org, linux-omap@...r.kernel.org,
linux-wireless@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH RESEND 1/4] net: ethernet: Remove redundant
pm_runtime_mark_last_busy() calls
Hi Sakari,
Thanks for your work cleaning this up!
On 2025-10-27 13:50:19 +0200, Sakari Ailus wrote:
> pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
> pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
> to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
> pm_runtime_mark_last_busy().
>
> Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
> ---
> drivers/net/ethernet/cadence/macb_main.c | 5 -----
> drivers/net/ethernet/freescale/fec_main.c | 8 --------
> drivers/net/ethernet/renesas/ravb_main.c | 4 ----
> drivers/net/ethernet/ti/davinci_mdio.c | 7 -------
> 4 files changed, 24 deletions(-)
>
> diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
> index 39673f5c3337..847c4ab9df23 100644
> --- a/drivers/net/ethernet/cadence/macb_main.c
> +++ b/drivers/net/ethernet/cadence/macb_main.c
> @@ -327,7 +327,6 @@ static int macb_mdio_read_c22(struct mii_bus *bus, int mii_id, int regnum)
> status = MACB_BFEXT(DATA, macb_readl(bp, MAN));
>
> mdio_read_exit:
> - pm_runtime_mark_last_busy(&bp->pdev->dev);
> pm_runtime_put_autosuspend(&bp->pdev->dev);
> mdio_pm_exit:
> return status;
> @@ -373,7 +372,6 @@ static int macb_mdio_read_c45(struct mii_bus *bus, int mii_id, int devad,
> status = MACB_BFEXT(DATA, macb_readl(bp, MAN));
>
> mdio_read_exit:
> - pm_runtime_mark_last_busy(&bp->pdev->dev);
> pm_runtime_put_autosuspend(&bp->pdev->dev);
> mdio_pm_exit:
> return status;
> @@ -405,7 +403,6 @@ static int macb_mdio_write_c22(struct mii_bus *bus, int mii_id, int regnum,
> goto mdio_write_exit;
>
> mdio_write_exit:
> - pm_runtime_mark_last_busy(&bp->pdev->dev);
> pm_runtime_put_autosuspend(&bp->pdev->dev);
> mdio_pm_exit:
> return status;
> @@ -451,7 +448,6 @@ static int macb_mdio_write_c45(struct mii_bus *bus, int mii_id,
> goto mdio_write_exit;
>
> mdio_write_exit:
> - pm_runtime_mark_last_busy(&bp->pdev->dev);
> pm_runtime_put_autosuspend(&bp->pdev->dev);
> mdio_pm_exit:
> return status;
> @@ -5564,7 +5560,6 @@ static int macb_probe(struct platform_device *pdev)
> macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID),
> dev->base_addr, dev->irq, dev->dev_addr);
>
> - pm_runtime_mark_last_busy(&bp->pdev->dev);
> pm_runtime_put_autosuspend(&bp->pdev->dev);
>
> return 0;
> diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
> index 1edcfaee6819..4875101c4f3f 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -2231,7 +2231,6 @@ static int fec_enet_mdio_read_c22(struct mii_bus *bus, int mii_id, int regnum)
> ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA));
>
> out:
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
>
> return ret;
> @@ -2280,7 +2279,6 @@ static int fec_enet_mdio_read_c45(struct mii_bus *bus, int mii_id,
> ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA));
>
> out:
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
>
> return ret;
> @@ -2312,7 +2310,6 @@ static int fec_enet_mdio_write_c22(struct mii_bus *bus, int mii_id, int regnum,
> if (ret)
> netdev_err(fep->netdev, "MDIO write timeout\n");
>
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
>
> return ret;
> @@ -2356,7 +2353,6 @@ static int fec_enet_mdio_write_c45(struct mii_bus *bus, int mii_id,
> netdev_err(fep->netdev, "MDIO write timeout\n");
>
> out:
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
>
> return ret;
> @@ -2839,7 +2835,6 @@ static void fec_enet_get_regs(struct net_device *ndev,
> buf[off] = readl(&theregs[off]);
> }
>
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
> }
>
> @@ -3616,7 +3611,6 @@ fec_enet_open(struct net_device *ndev)
> err_enet_alloc:
> fec_enet_clk_enable(ndev, false);
> clk_enable:
> - pm_runtime_mark_last_busy(&fep->pdev->dev);
> pm_runtime_put_autosuspend(&fep->pdev->dev);
> pinctrl_pm_select_sleep_state(&fep->pdev->dev);
> return ret;
> @@ -3647,7 +3641,6 @@ fec_enet_close(struct net_device *ndev)
> cpu_latency_qos_remove_request(&fep->pm_qos_req);
>
> pinctrl_pm_select_sleep_state(&fep->pdev->dev);
> - pm_runtime_mark_last_busy(&fep->pdev->dev);
> pm_runtime_put_autosuspend(&fep->pdev->dev);
>
> fec_enet_free_buffers(ndev);
> @@ -4616,7 +4609,6 @@ fec_probe(struct platform_device *pdev)
>
> INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work);
>
> - pm_runtime_mark_last_busy(&pdev->dev);
> pm_runtime_put_autosuspend(&pdev->dev);
>
> return 0;
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index c3fc15f9ec85..21a45583e7e1 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
> @@ -1975,7 +1975,6 @@ static int ravb_open(struct net_device *ndev)
> out_set_reset:
> ravb_set_opmode(ndev, CCC_OPC_RESET);
> out_rpm_put:
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
> out_napi_off:
> if (info->nc_queues)
> @@ -2404,7 +2403,6 @@ static int ravb_close(struct net_device *ndev)
> if (error)
> return error;
>
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
>
> return 0;
> @@ -3116,7 +3114,6 @@ static int ravb_probe(struct platform_device *pdev)
> netdev_info(ndev, "Base address at %#x, %pM, IRQ %d.\n",
> (u32)ndev->base_addr, ndev->dev_addr, ndev->irq);
>
> - pm_runtime_mark_last_busy(&pdev->dev);
> pm_runtime_put_autosuspend(&pdev->dev);
>
> return 0;
> @@ -3301,7 +3298,6 @@ static int ravb_resume(struct device *dev)
>
> out_rpm_put:
> if (!priv->wol_enabled) {
> - pm_runtime_mark_last_busy(dev);
> pm_runtime_put_autosuspend(dev);
> }
You could drop the { } here. With this fixed for RAVB,
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
>
> diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
> index 68507126be8e..9f049ebbf107 100644
> --- a/drivers/net/ethernet/ti/davinci_mdio.c
> +++ b/drivers/net/ethernet/ti/davinci_mdio.c
> @@ -234,7 +234,6 @@ static int davinci_mdiobb_read_c22(struct mii_bus *bus, int phy, int reg)
>
> ret = mdiobb_read_c22(bus, phy, reg);
>
> - pm_runtime_mark_last_busy(bus->parent);
> pm_runtime_put_autosuspend(bus->parent);
>
> return ret;
> @@ -251,7 +250,6 @@ static int davinci_mdiobb_write_c22(struct mii_bus *bus, int phy, int reg,
>
> ret = mdiobb_write_c22(bus, phy, reg, val);
>
> - pm_runtime_mark_last_busy(bus->parent);
> pm_runtime_put_autosuspend(bus->parent);
>
> return ret;
> @@ -268,7 +266,6 @@ static int davinci_mdiobb_read_c45(struct mii_bus *bus, int phy, int devad,
>
> ret = mdiobb_read_c45(bus, phy, devad, reg);
>
> - pm_runtime_mark_last_busy(bus->parent);
> pm_runtime_put_autosuspend(bus->parent);
>
> return ret;
> @@ -285,7 +282,6 @@ static int davinci_mdiobb_write_c45(struct mii_bus *bus, int phy, int devad,
>
> ret = mdiobb_write_c45(bus, phy, devad, reg, val);
>
> - pm_runtime_mark_last_busy(bus->parent);
> pm_runtime_put_autosuspend(bus->parent);
>
> return ret;
> @@ -332,7 +328,6 @@ static int davinci_mdio_common_reset(struct davinci_mdio_data *data)
> data->bus->phy_mask = phy_mask;
>
> done:
> - pm_runtime_mark_last_busy(data->dev);
> pm_runtime_put_autosuspend(data->dev);
>
> return 0;
> @@ -441,7 +436,6 @@ static int davinci_mdio_read(struct mii_bus *bus, int phy_id, int phy_reg)
> break;
> }
>
> - pm_runtime_mark_last_busy(data->dev);
> pm_runtime_put_autosuspend(data->dev);
> return ret;
> }
> @@ -478,7 +472,6 @@ static int davinci_mdio_write(struct mii_bus *bus, int phy_id,
> break;
> }
>
> - pm_runtime_mark_last_busy(data->dev);
> pm_runtime_put_autosuspend(data->dev);
>
> return ret;
> --
> 2.47.3
>
--
Kind Regards,
Niklas Söderlund
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