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SubjectRe: [PATCH 3/3] ARM: imx: Select RESET_IMX7 for i.MX7D
On Mon, Jun 29, 2020 at 1:36 PM Anson Huang <anson.huang@nxp.com> wrote:
> > Subject: Re: [PATCH 3/3] ARM: imx: Select RESET_IMX7 for i.MX7D
> >
> > On Mon, Jun 29, 2020 at 12:25 PM Anson Huang <Anson.Huang@nxp.com>
> > wrote:
> > >
> > > i.MX7 reset driver now supports module build, it is no longer built in
> > > by default, need to select it explicitly for i.MX7D.
> > >
> > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> > > ---
> > > arch/arm/mach-imx/Kconfig | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> > > index e7d7b90..3540483 100644
> > > --- a/arch/arm/mach-imx/Kconfig
> > > +++ b/arch/arm/mach-imx/Kconfig
> > > @@ -561,6 +561,7 @@ config SOC_IMX7D_CM4 config SOC_IMX7D
> > > bool "i.MX7 Dual support"
> > > select PINCTRL_IMX7D
> > > + select RESET_IMX7
> >
> > Please drop this patch, it breaks the intent of the first one by forcing the driver
> > to be built-in again rather than a loadable module.
> >
>
> One thing to clarify is, the loadable module support is ONLY for i.MX ARMv8 SoCs,

I don't understand. Why can't this driver be a loadable module on i.MX7?
Please clarify in the changelog what the bug is on i.MX7.

> ARMv7 SoCs is NOT in the plan, that is why I add this patch to make it same as previously
> when this reset driver is =y by default. Without this patch, this reset driver will NOT be
> enabled by default for i.MX ARMv7 SoCs, function will be broken.

But it's the same driver, make it work the same way on all chips!

I think artificially limiting a new driver feature to one chip just
because nobody
asked for it on another chip is not helpful.

Arnd

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