Re: [PATCH] reset: berlin: support module build

From: Philipp Zabel
Date: Mon Jun 07 2021 - 06:01:18 EST


On Mon, 2021-06-07 at 17:56 +0800, Jisheng Zhang wrote:
> On Mon, 07 Jun 2021 11:49:45 +0200
> Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote:
>
>
> >
> > On Mon, 2021-06-07 at 17:44 +0800, Jisheng Zhang wrote:
> > > On Mon, 07 Jun 2021 11:23:57 +0200
> > > Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote:
> > >
> > >
> > > > On Thu, 2021-05-20 at 17:13 +0800, Jisheng Zhang wrote:
> > > > > Make reset-berlin driver to be tristate module, support to build as
> > > > > a module, this is useful for GKI.
> > > > >
> > > > > Partially revert commit ed4dba99cae8 ("reset: berlin: make it
> > > > > explicitly non-modular")
> > > > >
> > > > > Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
> > > > > ---
> > > > > drivers/reset/Kconfig | 4 ++--
> > > > > drivers/reset/reset-berlin.c | 10 ++++++++--
> > > > > 2 files changed, 10 insertions(+), 4 deletions(-)
> > > > >
> > > > > diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
> > > > > index 3e7f55e44d84..1e7443a4dae1 100644
> > > > > --- a/drivers/reset/Kconfig
> > > > > +++ b/drivers/reset/Kconfig
> > > > > @@ -43,8 +43,8 @@ config RESET_BCM6345
> > > > > This enables the reset controller driver for BCM6345 SoCs.
> > > > >
> > > > > config RESET_BERLIN
> > > > > - bool "Berlin Reset Driver" if COMPILE_TEST
> > > > > - default ARCH_BERLIN
> > > > > + tristate "Berlin Reset Driver"
> > > > > + depends on ARCH_BERLIN || COMPILE_TEST
> > > >
> > > > Is there a reason not to keep "default ARCH_BERLIN"?
> > > >
> > >
> > > Hi,
> > >
> > > After this patch, the reset driver will be built as module in most cases
> > > so I removed default ARCH_BERLIN
> >
> > I see, how about "default m if ARCH_BERLIN" then?
>
> Good idea. I think "default m" is enough, because we have a "depends on
> ARCH_BERLIN || COMPILE_TEST" above

"default m" would also enable the module for COMPILE_TEST by default,
which may not be what most compile testers need.

regards
Philipp