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

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Message-ID: <2023092253-suffice-mulled-b8fa@gregkh>
Date:   Fri, 22 Sep 2023 11:29:06 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     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
Subject: Re: [PATCH v3] mmc: Add quirk MMC_QUIRK_BROKEN_CACHE_FLUSH for
 Micron eMMC Q2J54A

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?