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From:   Arend van Spriel <arend.vanspriel@broadcom.com>
Subject: Re: [PATCH 10/11] brcmfmac: disable command decode in sdio_aos for
 4354
To:     Chi-Hsien Lin <Chi-Hsien.Lin@cypress.com>,
        "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
References: <1541476188-75475-1-git-send-email-chi-hsien.lin@cypress.com>
 <1541476188-75475-11-git-send-email-chi-hsien.lin@cypress.com>
Cc:     "brcm80211-dev-list@broadcom.com" <brcm80211-dev-list@broadcom.com>,
        brcm80211-dev-list <brcm80211-dev-list@cypress.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Wright Feng <Wright.Feng@cypress.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        Double Lo <Double.Lo@cypress.com>
Message-ID: <4c061b39-641f-2232-2a36-5fc27a01eef4@broadcom.com>
Date:   Thu, 8 Nov 2018 12:55:39 +0100
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On 11/6/2018 4:50 AM, Chi-Hsien Lin wrote:
> From: Double Lo <double.lo@cypress.com>
>
> Transaction between AOS and SDIOD is not protected, and if cmd 52
> received in AOS and in the middle of response state changed from AOS to
> SDIOD, response is corrupted and it causes to SDIO Host controller to
> hang.

See comment in PATCH 09/11

> Signed-off-by: Double Lo <double.lo@cypress.com>
> Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
> ---
>  drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)