Re: [PATCH v1] spi: spi-nxp-fspi: Add ACPI support

[Mark Brown]

On Wed, Sep 09, 2020 at 06:29:10PM +0530, Kuldip Dwivedi wrote:

> > | Does NXP know about this ID assignment from their namespace?  ACPI IDs
> > | should be namespaced by whoever's assigning the ID to avoid
> collisions.

> Yes, NXP is aware.

Can anyone from NXP confirm this?

> > Please don't ignore review comments, people are generally making them
> for a
> > reason and are likely to have the same concerns if issues remain

> This is new Patch for different IP (FSPI)  and scenario is different from
> DSPI driver.

If a generic issue like this exists with one patch you should expect
that exactly the same issue is going to come up with other very similar
patches and therefore ensure they are addressed so people don't feel
like you are ignoring them.

> > >  	/* Reset the module */
> > > +	fspi_writel(f, FSPI_MCR0_SWRST, (base + FSPI_MCR0));
> > > +

> > Why are you adding this reset?  How is it connected to adding ACPI
> support - it
> > looks like it should be a separate patch.

> I observed a kernel panic in setting up the driver, and this fixed the
> issue.

At the very least this would need to be called out in the changelog but
like I say it should really be a separate patch.

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