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References: <20210509224226.348127-1-linus.walleij@linaro.org> <c5370b69-eac2-815e-27cb-f865a7885830@broadcom.com>
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From:   Ulf Hansson <ulf.hansson@linaro.org>
Date:   Mon, 10 May 2021 11:14:02 +0200
Message-ID: <CAPDyKFq6PEx9YNF5VDjEy2giLOe=NJPxM2KCAWOOQxeGR_3jMw@mail.gmail.com>
Subject: Re: [PATCH] brcmfmac: Obtain reset GPIO
To:     Arend Van Spriel <arend.vanspriel@broadcom.com>,
        Linus Walleij <linus.walleij@linaro.org>
Cc:     Arend van Spriel <aspriel@gmail.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Chi-hsien Lin <chi-hsien.lin@infineon.com>,
        Wright Feng <wright.feng@infineon.com>,
        Chung-hsien Hsu <chung-hsien.hsu@infineon.com>,
        linux-wireless <linux-wireless@vger.kernel.org>
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On Mon, 10 May 2021 at 09:37, Arend Van Spriel
<arend.vanspriel@broadcom.com> wrote:
>
> + Uffe
>
> On 5/10/2021 12:42 AM, Linus Walleij wrote:
> > This grabs the reset GPIO and holds it de-asserted, if available.
> > Asserting this signal will make the SDIO card re-enumerate.
>
> looks ok to me, but could this also be done through SDIO power sequence
> stuff?

Yes, it certainly looks like that to me. It should be the mmc
host/core that manages the power on/off thingy for the SDIO card.

[...]

Kind regards
Uffe