linux-kernel - Re: [PATCH 10/11] mmc: core: Read performance enhancements registers for SD cards

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Message-ID: <CACRpkdaUVx3mRkTbRki1vXDpP7Cjvj_tYiR0iefjjX6=uGeDfA@mail.gmail.com>
Date:   Thu, 6 May 2021 15:05:02 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linux-mmc <linux-mmc@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Avri Altman <avri.altman@....com>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 10/11] mmc: core: Read performance enhancements registers
 for SD cards

On Tue, May 4, 2021 at 6:12 PM Ulf Hansson <ulf.hansson@...aro.org> wrote:

> In SD spec v6.x the SD function extension registers for performance
> enhancements were introduced. These registers let the SD card announce
> supports for various performance related features, like "self-maintenance",
> "cache" and "command queuing".
>
> Let's extend the parsing of SD function extension registers and store the
> information in the struct mmc_card. This prepares for subsequent changes to
> implement the complete support for new the performance enhancement
> features.
>
> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij