On 6/4/2020 9:54 AM, Stefan Wahren wrote: > Am 04.06.20 um 18:40 schrieb Florian Fainelli: >> >> 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. > > No, all 5 instances uses the same interrupt line. Please see my comment > before. OK, but this is not going to be needed, I have another solution that does not involve device tree changes. -- Florian
