linux-kernel - Re: [linux-sunxi] [PATCH 1/4] ARM: dts: sun8i-a83t-tbs-a711: OOB WiFi interrupt doesn't work

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Date:   Sun, 23 Feb 2020 11:26:23 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Ondřej Jirman <megous@...ous.com>
Cc:     linux-sunxi <linux-sunxi@...glegroups.com>,
        Maxime Ripard <mripard@...nel.org>,
        Tomas Novotny <tomas@...otny.cz>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/Allwinner sunXi SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        Arend van Spriel <arend.vanspriel@...adcom.com>
Subject: Re: [linux-sunxi] [PATCH 1/4] ARM: dts: sun8i-a83t-tbs-a711: OOB WiFi
 interrupt doesn't work

Hi,


On Sun, Feb 23, 2020 at 6:32 AM Ondrej Jirman <megous@...ous.com> wrote:
>
> It just causes a constant rate of 5000 interrupts per second for both
> GPIO and MMC, even if nothing is happening. Rely on in-band interrupts
> instead.
>
> Fixes: 0e23372080def7bb ("arm: dts: sun8i: Add the TBS A711 tablet devicetree")
> Signed-off-by: Ondrej Jirman <megous@...ous.com>

What WiFi chip/module does this use? It might be worth asking Broadcom
people to help with this and fix the driver.

ChenYu

> ---
>  arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> index 2fd31a0a0b344..ee5ce3556b2ad 100644
> --- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> +++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> @@ -214,9 +214,6 @@ &mmc1 {
>         brcmf: wifi@1 {
>                 reg = <1>;
>                 compatible = "brcm,bcm4329-fmac";
> -               interrupt-parent = <&r_pio>;
> -               interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
> -               interrupt-names = "host-wake";
>         };
>  };
>
> --
> 2.25.1
>
> --
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