| Date | Mon, 19 Aug 2019 13:06:46 +0200 | From | Shawn Guo <> | Subject | Re: [PATCH v4 02/21] ARM: dts: imx7-colibri: disable HS400 |
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On Mon, Aug 12, 2019 at 02:21:17PM +0000, Philippe Schenker wrote: > From: Stefan Agner <stefan.agner@toradex.com> > > Force HS200 by masking bit 63 of the SDHCI capability register. > The i.MX ESDHC driver uses SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400. With > that the stack checks bit 63 to descide whether HS400 is available. > Using sdhci-caps-mask allows to mask bit 63. The stack then selects > HS200 as operating mode. > > This prevents rare communication errors with minimal effect on > performance: > sdhci-esdhc-imx 30b60000.usdhc: warning! HS400 strobe DLL > status REF not lock! > > Signed-off-by: Stefan Agner <stefan.agner@toradex.com> > Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Applied, thanks.
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