From: Sascha Hauer <sha@pengutronix.de>
To: Ian Abbott <abbotti@mev.co.uk>
Cc: barebox@lists.infradead.org,
Ahmad Fatoum <a.fatoum@pengutronix.de>,
Steffen Trumtrar <s.trumtrar@pengutronix.de>
Subject: Re: [PATCH] ARM: socfpga: Set reset-names property for &mmc
Date: Tue, 2 Nov 2021 09:01:30 +0100 [thread overview]
Message-ID: <20211102080130.GX25698@pengutronix.de> (raw)
In-Reply-To: <20211101174053.68486-1-abbotti@mev.co.uk>
On Mon, Nov 01, 2021 at 05:40:53PM +0000, Ian Abbott wrote:
> Since commit 90bdf1e5d1e4 ("mci: dw_mmc: match against StarFive MMC
> compatibles"), the dw_mmc driver requires a reset line called "reset".
> The slightly earlier commit a3cf324593ea ("mci: dw_mmc: add optional
> reset line") introduced the reset line support, but made it optional.
>
> The device tree node for SoCFPGA's MMC device has the "resets" property,
> but is missing the "reset-names" property, so MMC no longer works.
> Barebox produces the error message:
>
> ERROR: dw_mmc ff704000.dwmmc0@ff704000.of: probe failed: Invalid argument
>
> Add the missing "reset-names" property to the "&mmc" node in
> "arch/arm/dts/socfpga.dtsi". It probably needs fixing in the upstream
> Linux device tree sources too!
The reset binding lists reset-names as an optional property, so it seems
our reset code needs fixing and not the dtsi file.
Sascha
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next prev parent reply other threads:[~2021-11-02 8:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-01 17:40 Ian Abbott
2021-11-01 17:52 ` Ahmad Fatoum
2021-11-01 18:51 ` Trent Piepho
2021-11-02 8:01 ` Sascha Hauer [this message]
2021-11-02 9:59 ` Ian Abbott
2021-11-18 13:09 ` [PATCH v2] " Ian Abbott
2021-11-22 9:11 ` Sascha Hauer
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