From: Robin van der Gracht <robin@protonic.nl>
To: Martin Kepplinger <martink@posteo.de>
Cc: ulf.hansson@linaro.org, s.hauer@pengutronix.de,
Martin Kepplinger <martin.kepplinger@ginzinger.com>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-imx@nxp.com, kernel@pengutronix.de, shawnguo@kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] mmc: mxs-mmc: Introduce regulator support
Date: Mon, 28 Jan 2019 11:27:30 +0100 [thread overview]
Message-ID: <20190128112730.0175049d@erd987> (raw)
In-Reply-To: <20190128102022.1880-1-martink@posteo.de>
Hi Martin,
On Mon, 28 Jan 2019 11:20:22 +0100
Martin Kepplinger <martink@posteo.de> wrote:
> From: Martin Kepplinger <martin.kepplinger@ginzinger.com>
>
> This adds support for explicitly switching the mmc's power on and off
> which is needed for example for WL1837 wifi controllers. ip link set wlan0 down
> doesn't turn off the VMMC regulator which leads to hangs when loading firmware.
>
> Tested on i.MX28.
>
> Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
> ---
>
> again, this isn't new. it's (rebased and simplified)
> https://patchwork.kernel.org/patch/4365751/
>
> Thanks Robin for your input!
>
> revision history
> ----------------
> v1: was just a question why this hasn't gone in earlier.
Not sure why it never made it. I created it for use with a wl1271 which
wan't properly reset in case of a fault. Also combined with imx28.
Regards,
Robin van der Gracht
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next prev parent reply other threads:[~2019-01-28 10:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-28 10:20 [PATCH v2] mmc: mxs-mmc: Introduce regulator support Martin Kepplinger
2019-01-28 10:27 ` Robin van der Gracht [this message]
2019-01-28 11:33 ` Ulf Hansson
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