linux-kernel - Re: [PATCH v3] mmc: Add quirk MMC_QUIRK_BROKEN_CACHE

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Date:   Sat, 23 Sep 2023 07:50:40 -0300
From:   Rafael Beims <rafael@...ms.me>
To:     Greg KH <gregkh@...uxfoundation.org>, Bean Huo <beanhuo@...pp.de>
Cc:     ulf.hansson@...aro.org, adrian.hunter@...el.com,
        beanhuo@...ron.com, jakub.kwapisz@...adex.com,
        rafael.beims@...adex.com, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        rafael@...ms.me
Subject: Re: [PATCH v3] mmc: Add quirk MMC_QUIRK_BROKEN_CACHE_FLUSH for Micron
 eMMC Q2J54A

On 22/09/2023 06:29, Greg KH wrote:
> On Thu, Sep 21, 2023 at 10:34:26PM +0200, Bean Huo wrote:
>> From: Bean Huo <beanhuo@...ron.com>
>>
>> Micron MTFC4GACAJCN eMMC supports cache but requires that flush cache
>> operation be allowed only after a write has occurred. Otherwise, the
>> cache flush command or subsequent commands will time out.
>>
>> Signed-off-by: Bean Huo <beanhuo@...ron.com>
>> Co-developed-by: Rafael Beims <rafael.beims@...adex.com>
> Then Rafael also has to sign off on this, right?
>
Correct,


Signed-off-by: Rafael Beims <rafael.beims@...adex.com>

Thanks,
Rafael