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Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL

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Hello

On 6/3/2016 7:29 PM, Vincent Palatin wrote:
> Do not shutdown the PHY if Wake-on-Lan is enabled, else it cannot wake
> us up.
>

I do not understand why you need that.
This is done inside the PHY layer and it is tested on our platforms
he idea is: If the parent wants to Wake the system then the PHY should
not power-down.

Peppe

> Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
> index 0cd3ecf..2e45e75 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
> @@ -534,6 +534,10 @@ static int rk_gmac_init(struct platform_device *pdev, void *priv)
>  	struct rk_priv_data *bsp_priv = priv;
>  	int ret;
>
> +	/* Keep the PHY up if we use Wake-on-Lan. */
> +	if (device_may_wakeup(&pdev->dev))
> +		return 0;
> +
>  	ret = phy_power_on(bsp_priv, true);
>  	if (ret)
>  		return ret;
> @@ -549,6 +553,10 @@ static void rk_gmac_exit(struct platform_device *pdev, void *priv)
>  {
>  	struct rk_priv_data *gmac = priv;
>
> +	/* The PHY was up for Wake-on-Lan. */
> +	if (device_may_wakeup(&pdev->dev))
> +		return;
> +
>  	phy_power_on(gmac, false);
>  	gmac_clk_enable(gmac, false);
>  }
>

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Thread

[PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Vincent Palatin <vpalatin@chromium.org> - 2016-06-03 19:30 +0200
  Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Heiko Stübner <heiko@sntech.de> - 2016-06-06 22:50 +0200
    Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Vincent Palatin <vpalatin@chromium.org> - 2016-06-06 23:10 +0200
  Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Giuseppe CAVALLARO <peppe.cavallaro@st.com> - 2016-06-07 09:30 +0200
    Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Vincent Palatin <vpalatin@chromium.org> - 2016-06-09 00:30 +0200
      Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Andrew Lunn <andrew@lunn.ch> - 2016-06-09 02:20 +0200
        Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Vincent Palatin <vpalatin@chromium.org> - 2016-06-10 01:10 +0200
          Re: [PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL Giuseppe CAVALLARO <peppe.cavallaro@st.com> - 2016-06-10 14:30 +0200
            [PATCH 2/3] net: stmmac: dwmac-rk: keep the PHY up for WoL Vincent Palatin <vpalatin@chromium.org> - 2016-06-11 03:10 +0200
              Re: [PATCH 2/3] net: stmmac: dwmac-rk: keep the PHY up for WoL Heiko Stuebner <heiko@sntech.de> - 2016-06-11 04:00 +0200
            [PATCH 1/3] net: stmmac: allow to split suspend/resume from init/exit callbacks Vincent Palatin <vpalatin@chromium.org> - 2016-06-11 03:10 +0200
              Re: [PATCH 1/3] net: stmmac: allow to split suspend/resume from  init/exit callbacks David Miller <davem@davemloft.net> - 2016-06-11 03:20 +0200
            net: stmmac: dwmac-rk: fixes for Wake-on-Lan on RK3288 Vincent Palatin <vpalatin@chromium.org> - 2016-06-11 03:10 +0200
              [PATCH 3/3] ARM: dts: rockchip: add interrupt for Wake-on-Lan on RK3288 Vincent Palatin <vpalatin@chromium.org> - 2016-06-11 03:10 +0200
              Re: net: stmmac: dwmac-rk: fixes for Wake-on-Lan on RK3288 David Miller <davem@davemloft.net> - 2016-06-11 03:20 +0200

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