linux-kernel - Re: [PATCH 08/11] mmc: core: Parse the SD SCR register for support of CMD48/49 and CMD58/59

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Message-ID: <CACRpkda9fWzeqLvSX4-fr1hcP7KqWrRQGSFvCM2STYNM_FkL9Q@mail.gmail.com>
Date:   Thu, 6 May 2021 15:01:01 +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 08/11] mmc: core: Parse the SD SCR register for support of
 CMD48/49 and CMD58/59

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

> In SD spec v4.x the support for CMD48/49 and CMD58/59 were introduced as
> optional features. To let the card announce whether it supports the
> commands, the SCR register has been extended with corresponding support
> bits. Let's parse and store this information for later use.
>
> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>

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

Yours,
Linus Walleij