[PATCH 6/6] lib: sbi_hsm: Introduce hart_secondary_boot() callback

Anup Patel anup at brainfault.org
Mon Jan 16 01:18:46 PST 2023


On Sun, Jan 8, 2023 at 6:40 PM Yu-Chien Peter Lin
<peterlin at andestech.com> wrote:
>
> Hi Andrew,
>
> On Fri, Jan 06, 2023 at 03:29:46PM +0100, Andrew Jones wrote:
> > On Wed, Jan 04, 2023 at 02:29:27PM +0800, Yu Chien Peter Lin wrote:
> > > When platform supports hotplug, i.e. both hart_start() and hart_stop()
> > > callbacks are provided, the former doesn't need to be performed at
> > > the boot-time. Thus, add a callback for the case of secondary boot.
> > >
> > > Signed-off-by: Yu Chien Peter Lin <peterlin at andestech.com>
> > > ---
> > >  include/sbi/sbi_hsm.h |  7 +++++++
> > >  lib/sbi/sbi_hsm.c     | 22 +++++++++++++---------
> > >  2 files changed, 20 insertions(+), 9 deletions(-)
> >
> > I'm not sure why this patch is in the series as the change isn't used.
> >
> > Thanks,
> > drew
>
> Thanks for the review.
>
> I'm just found it's not necessary to run platform-specific hart_start()
> at boot-time since it's for CPU hotplug, I'm not sure hart_start() is
> supposed to do at boot-time so we can ignore this patch if it's not worth
> adding a callback.

For now it looks like we don't need this callback but we can revisit
in the future.

Regards,
Anup

>
> Best regards,
> Peter Lin
>
>
>
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