Re: [PATCH 2/3] ARM: dts: bcm2711: Update SPI nodes compatible strings

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On Thu, Jun 04, 2020 at 06:20:38AM +0200, Lukas Wunner wrote:
> On Wed, Jun 03, 2020 at 08:46:54PM -0700, Florian Fainelli wrote:
> > The BCM2711 SoC features 5 SPI controllers which all share the same
> > interrupt line, the SPI driver needs to support interrupt sharing,
> > therefore use the chip specific compatible string to help with that.

> You're saying above that the 5 controllers all share the interrupt
> but below you're only changing the compatible string of 4 controllers.

> So I assume spi0 still has its own interrupt and only the additional
> 4 controllers present on the BCM2711/BCM7211 share their interrupt?

Regardless of what's going on with the interrupts the compatible string
should reflect the IP version so unless for some reason someone taped
out two different versions of the IP it seems odd that the compatible
strings would vary within a given SoC.

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