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SubjectRe: [PATCH 2/3] ARM: dts: bcm2711: Update SPI nodes compatible strings
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On 6/3/2020 9:20 PM, 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?

Correct, there are 5 instances, but only the 4 that were added for 2711
actually share the interrupt line, I will correct that in the next patch
version.
--
Florian

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