[U-Boot] [linux-sunxi] Re: [PATCH 12/16] configs: sun50i: enable ums on bananapi-m64

["Stefan Brüns" <stefan.bruens@rwth-aachen.de>]

On Wednesday, December 13, 2017 2:36:26 AM CET Icenowy Zheng wrote:
> 在 2017年12月12日星期二 CST 下午4:12:13，Maxime Ripard 写道：
> 
> > Hi,
> > 
> > On Tue, Dec 12, 2017 at 12:28:27PM +0530, Jagan Teki wrote:
> > > This patch enable ums through CMD_USB_MASS_STORAGE.
> > > 
> > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> > > ---
> > > 
> > >  configs/bananapi_m64_defconfig | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/configs/bananapi_m64_defconfig
> > > b/configs/bananapi_m64_defconfig index 55feafe..d4aade5 100644
> > > --- a/configs/bananapi_m64_defconfig
> > > +++ b/configs/bananapi_m64_defconfig
> > > @@ -11,6 +11,7 @@ CONFIG_DEFAULT_DEVICE_TREE="sun50i-a64-bananapi-m64"
> > > 
> > >  CONFIG_SPL=y
> > >  # CONFIG_CMD_FLASH is not set
> > >  # CONFIG_CMD_FPGA is not set
> > > 
> > > +CONFIG_CMD_USB_MASS_STORAGE=y
> > 
> > How does that work with the current over-size issue we have on the
> > A64?
> > 
> > And I'd also like to keep the way we did things for several years now,
> > which is to *not* have board-specific options selected besides the
> > hardware-related ones.
> > 
> > If you want to enable a general feature, do it for all the boards so
> > that our users will have a consistent experience across boards, and we
> > will not have to always chase all the defconfigs to provide it.
> 
> I think there's a problem on A64 -- the Pine series are all designed to be
> host-only, and it's the most popular A64 board series.

No, it just means the *initial* role of the Pine will be Host, but the roles 
can be swapped using HNP (Host Negotiation Protocol) afterwards, which is pure 
software.

Regards,

Stefan

-- 
Stefan Brüns  /  Bergstraße 21  /  52062 Aachen
home: +49 241 53809034     mobile: +49 151 50412019
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