[PATCH v10 03/15] FWU: Add FWU metadata access driver for GPT partitioned block devices

Jassi Brar jassisinghbrar at gmail.com
Mon Sep 26 17:00:09 CEST 2022


On Mon, Sep 26, 2022 at 3:48 AM Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
>
> On Mon, 26 Sept 2022 at 08:22, Jassi Brar <jassisinghbrar at gmail.com> wrote:
> >
> > On Thu, Sep 15, 2022 at 3:16 AM Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
> >
> > > diff --git a/drivers/fwu-mdata/Kconfig b/drivers/fwu-mdata/Kconfig
> > > new file mode 100644
> > > index 0000000000..7322da48b1
> > > --- /dev/null
> > > +++ b/drivers/fwu-mdata/Kconfig
> > > @@ -0,0 +1,16 @@
> > > +config FWU_MDATA
> > > +       bool "Driver support for accessing FWU Metadata"
> > > +       depends on DM
> > > +       help
> > > +         Enable support for accessing FWU Metadata partitions. The
> > > +         FWU Metadata partitions reside on the same storage device
> > > +         which contains the other FWU updatable firmware images.
> > > +
> > > +config FWU_MDATA_GPT_BLK
> > > +       bool "FWU Metadata access for GPT partitioned Block devices"
> > > +       select PARTITION_TYPE_GUID
> > > +       select PARTITION_UUIDS
> > > +       depends on DM && HAVE_BLOCK_DEVICE && EFI_PARTITION
> > >
> > It should depend on FWU_MDATA instead of DM.
> > Though, eventually it will be a choice between GPT and MTD.
>
> Yes, this should depend on FWU_MDATA. Will change.
>
> >
> > ...
> > > +static int fwu_gpt_mdata_check(struct udevice *dev)
> > > +{
> > > +       /*
> > > +        * Check if both the copies of the FWU
> > > +        * metadata are valid. If one has gone
> > > +        * bad, restore it from the other good
> > > +        * copy.
> > > +        */
> > >
> > This comment is repeated 3 more times in the patchset. Maybe get rid
> > of this and some other.
>
> Sorry, I could not find any other comment like this in the file. Can
> you point me out where this comment has been repeated.
>
I said patchset, not file.  grep'ing "restore it from the other" in
the patches show
drivers/fwu-mdata/gpt_blk.c,  drivers/fwu-mdata/fwu-mdata-uclass.c
and  twice in include/fwu.h

Btw, the other three times it says  "restore it from the other bad copy" :D

-j


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