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Message-ID: <56A254D6.3070105@atmel.com>
Date: Fri, 22 Jan 2016 17:12:06 +0100
From: Nicolas Ferre <nicolas.ferre@...el.com>
To: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: at91: sama5d4_xplained: properly mux phy
interrupt
Le 15/01/2016 09:30, Alexandre Belloni a écrit :
> No interrupt were received from the phy because PIOE 1 may not be properly
> muxed. It prevented proper link detection, especially since commit
> 321beec5047a ("net: phy: Use interrupts when available in NOLINK state")
> disables polling.
>
> Cc: <stable@...r.kernel.org> # 4.4
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
And added to the upcoming at91-4.5-fixes branch.
thanks!
> ---
> arch/arm/boot/dts/at91-sama5d4_xplained.dts | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
> index 131614f28e75..8cf9999cb0cd 100644
> --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
> @@ -86,6 +86,8 @@
> macb0: ethernet@...20000 {
> phy-mode = "rmii";
> status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
>
> phy0: ethernet-phy@1 {
> interrupt-parent = <&pioE>;
> @@ -152,6 +154,10 @@
> atmel,pins =
> <AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
> };
> + pinctrl_macb0_phy_irq: macb0_phy_irq_0 {
> + atmel,pins =
> + <AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
> + };
> };
> };
> };
>
--
Nicolas Ferre
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