RE: [PATCH 2/2] ARM: imx: mach-imx7ulp: warn when imx_soc_device_init fail

From: Aisheng Dong
Date: Wed Mar 20 2019 - 00:57:07 EST


> From: Peng Fan
>
> > > > > Follow other i.MX6/7 machince code to check return value of
> > > > > imx_soc_device_init and warn when fail.
> > > > >
> > > > > Also drop of_platform_default_populate, because
> > > > > "arch_initcall_sync(of_platform_default_populate_init);" could
> > > > > be used to populate the device tree.
> > > > >
> > > >
> > > > This could be in separate patch.
> > >
> > > I'll do it in v2 after we agree the change in the first patch.
> > >
> >
> > I think imx7ulp does not have the issue in patch 1.
>
> Missed to reply you.
> So do you agree to split this patch into two patches ? or leave the code as it is?
>

A bit more thinking, i wonder that warning may not be quite necessary
for a new patch.
So probably leave as it is unless we have more strong reasons.
Sorry about that.

Regards
Dong Aisheng

> The first is follow other i.mx6/7 to check return value of imx_soc_device_init.
> The second is drop the call to of_platform_default_populate.
>
> Thanks,
> Peng
>
> >
> > Regards
> > Dong Aisheng
> >
> > > >
> > > > > Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> > > > > ---
> > > > > arch/arm/mach-imx/mach-imx7ulp.c | 7 ++++++-
> > > > > 1 file changed, 6 insertions(+), 1 deletion(-)
> > > > >
> > > > > diff --git a/arch/arm/mach-imx/mach-imx7ulp.c
> > > > > b/arch/arm/mach-imx/mach-imx7ulp.c
> > > > > index 11ac71aaf965..6d823f05d9aa 100644
> > > > > --- a/arch/arm/mach-imx/mach-imx7ulp.c
> > > > > +++ b/arch/arm/mach-imx/mach-imx7ulp.c
> > > > > @@ -53,11 +53,16 @@ static void __init
> > > > > imx7ulp_set_revision(void)
> > > > >
> > > > > static void __init imx7ulp_init_machine(void) {
> > > > > + struct device *soc_dev;
> > > > > +
> > > > > + soc_dev = imx_soc_device_init();
> > > > > + if (soc_dev == NULL)
> > > > > + pr_warn("failed to initialize soc device\n");
> > > > > +
> > > >
> > > > Should this be under set revision?
> > >
> > > Just follow other i.MX6/7 platforms practice, I could move this
> > > under set revision in v2 if you prefer.
> > >
> > > Thanks,
> > > Peng.
> > >
> > > >
> > > > Regards
> > > > Dong Aisheng
> > > >
> > > > > imx7ulp_pm_init();
> > > > >
> > > > > mxc_set_cpu_type(MXC_CPU_IMX7ULP);
> > > > > imx7ulp_set_revision();
> > > > > - of_platform_default_populate(NULL, NULL, imx_soc_device_init());
> > > > > }
> > > > >
> > > > > static const char *const imx7ulp_dt_compat[] __initconst = {
> > > > > --
> > > > > 2.16.4