[PATCH] soc: imx: check ls1021a

[Peng Fan]

Hi Arnd,

> Subject: Re: [PATCH] soc: imx: check ls1021a
> 
> On Thu, Jul 9, 2020 at 10:31 AM <peng.fan at nxp.com> wrote:
> >
> > From: Peng Fan <peng.fan at nxp.com>
> >
> > fsl,ls1021a is a mach under arch/arm/mach-imx/, however it could not
> > use the soc driver which will break caam on ls1021a platform.
> >
> > So directly return if it is compatible with fsl,ls1021a.
> >
> > Fixes: 52102a3ba6a61 ("soc: imx: move cpu code to drivers/soc/imx")
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> 
> I just forwarded this patch to Linus as part of the v5.8 fixes.
> The patch goes in the right direction, but as far as I can tell, the code is still
> wrong and needs to be fixed. Can you create another patch on top?
> 
> The problem is that loading this driver on *anything* other than an i.MX
> machine will cause unexpected results, and it first has to check that it is
> running on a compatible machine to start with!
> 
> In a distro kernel, this driver is always built-in at the moment if
> CONFIG_ARCH_MXC is enabled, regardless of what other platforms are
> enabled in addition, and what machine we end up running on.

So I could use CONFIG_SOC_IMX[x] to build the file? Is this ok for you?

Thanks,
Peng.

> 
>       Arnd