[U-Boot] [PATCH 6/8] spl: cache: Allow cache drivers in SPL

Bin Meng bmeng.cn at gmail.com
Thu Oct 31 03:01:59 UTC 2019


Hi Rick,

On Thu, Oct 31, 2019 at 10:53 AM Rick Chen <rickchen36 at gmail.com> wrote:
>
> Hi Bin
>
> >
> > Hi Rick,
> >
> > On Fri, Oct 25, 2019 at 2:18 PM Andes <uboot at andestech.com> wrote:
> > >
> > > From: Rick Chen <rick at andestech.com>
> > >
> > > When ax25-ae350 try to enable v5l2 cache
> > > driver in SPL configuration, it need this
> > > option for cache support in SPL.
> > >
> > > Signed-off-by: Rick Chen <rick at andestech.com>
> > > Cc: KC Lin <kclin at andestech.com>
> > > Cc: Alan Kao <alankao at andestech.com>
> > > ---
> > >  common/spl/Kconfig | 7 +++++++
> > >  drivers/Makefile   | 1 +
> > >  2 files changed, 8 insertions(+)
> > >
> > > diff --git a/common/spl/Kconfig b/common/spl/Kconfig
> > > index 86d7edf..4c4023a 100644
> > > --- a/common/spl/Kconfig
> > > +++ b/common/spl/Kconfig
> > > @@ -456,6 +456,13 @@ config SPL_CRYPTO_SUPPORT
> > >           this option to build the drivers in drivers/crypto as part of an
> > >           SPL build.
> > >
> > > +config SPL_CACHE_SUPPORT
> >
> > nits: please insert this option per alphabetical order, so it should
> > come before SPL_CPU
>
> OK
>
> >
> > > +       bool "Support CACHE drivers"
> > > +       help
> > > +         Enable CACHE drivers in SPL. These drivers can store data so that
> > > +         future requests for that data can be served faster. Enable this option
> >
> > The description here "store data so that ..." does not apply to cache drivers
>
> Do you have any suggestions about how to describe it more precisely ?
>

The descriptions says drivers can store data, but cache driver does
not store data at all. I think you enabled it just for boot time
performance?

Regards,
Bin


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