[U-Boot] [PATCH v3 24/58] arm64: allwinner: dts: h6: fix Pine H64 MMC bus width
Maxime Ripard
maxime.ripard at bootlin.com
Mon Aug 20 14:16:39 UTC 2018
On Mon, Aug 20, 2018 at 05:09:54PM +0530, Jagan Teki wrote:
> On Mon, Aug 20, 2018 at 5:05 PM, Maxime Ripard
> <maxime.ripard at bootlin.com> wrote:
> > On Sun, Aug 19, 2018 at 07:26:41PM +0530, Jagan Teki wrote:
> >> Currently the enabled MMC controllers on Pine H64 do not have bus-width
> >> set, which make them fall back to 1-bit mode and become quite slow.
> >>
> >> Fix this by add the corresponding bus-width properties.
> >>
> >> Same commit is there in mailing-list, but yet to merge,
> >> commit fb8971bea0910a3172cd8ce75ccc01b50104ebf7
> >> Author: Icenowy Zheng <icenowy at aosc.io>
> >> Date: Thu Jul 26 12:41:27 2018 +0800
> >>
> >> arm64: allwinner: dts: h6: fix Pine H64 MMC bus width
> >>
> >> Cc: Icenowy Zheng <icenowy at aosc.io>
> >> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> >
> > That also has nothing to do with this serie. Please send independant
> > patches independantly.
>
> This change required for U-Boot proper to detect mmc0, mmc2 with new
> CLK, RESET and DM_MMC
No, it will work just fine without that patch, no matter if we're
having DM_MMC, RESET or CLK. What we won't have is optimal data rates,
but this doesn't really have anything to do with it.
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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