[PATCH 00/11] ARM: dts: mvebu: Add definitions for PCIe legacy INTx interrupts

Marek Behún kabel at kernel.org
Thu Jul 7 07:38:18 PDT 2022


On Wed, 6 Jul 2022 22:53:46 +0200
Andrew Lunn <andrew at lunn.ch> wrote:

> On Wed, Jul 06, 2022 at 08:31:03PM +0200, Pali Rohár wrote:
> > This patch series add definitions for PCIe legacy INTx interrupts into
> > every DTS file used by the pci-mvebu.c controller driver.  
> 
> What you fail to explain in the commit message is Why?
> 
>      Andrew

Hi Andrew,

this is required for example in a scenario where a driver requests only
one of the legacy interrupts (INTA). Without this change, the driver
would be notified on events on all 4 (INTA, INTB, INTC, INTD), even if
it requested only one of them.

Marek



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