[U-Boot] [PATCH 2/2] sunxi: Enable MMC new mode for A83T

[Maxime Ripard]

On Mon, Aug 28, 2017 at 04:12:15PM +0800, Chen-Yu Tsai wrote:
> On Mon, Aug 28, 2017 at 4:05 PM, Jagan Teki <jagannadh.teki at gmail.com> wrote:
> > On Mon, Aug 28, 2017 at 12:29 PM, Maxime Ripard
> > <maxime.ripard at free-electrons.com> wrote:
> >> Hi Jagan,
> >>
> >> On Sat, Aug 26, 2017 at 12:11:23PM +0530, Jagan Teki wrote:
> >>> On Wed, Aug 23, 2017 at 3:33 PM, Maxime Ripard
> >>> <maxime.ripard at free-electrons.com> wrote:
> >>> > The eMMC controller for the A83T uses the new operating mode. Enable it.
> >>> >
> >>> > Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> >>>
> >>> Reviewed-by: Jagan Teki <jagan at openedev.com>
> >>
> >> I think both these patches should be merged in the upcoming
> >> release. It's a fix for a usecase that already exists (we already
> >> enable the eMMC on A83T), and it's unusable on some boards without it.
> >
> > But none of A83T boards were not enable eMMC yet? even sun8i-a83t.dtsi
> > still need to add node. May be we can wait once all add?
> 
> The sunxi-mmc driver does not use the device tree.
> 
> One only needs to set CONFIG_MMC_SUNXI_SLOT_EXTRA=2 to use the eMMC.
> And yes, eMMC is broken on some boards unless the new timing mode is
> used.

And the support is broken until "mmc: sunxi: fix legacy MMC
initialisation" in my other serie is applied.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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