On Mon, Jul 18, 2011 at 04:31:40PM -0600, Grant Likely wrote: > This patch adds irq_domain infrastructure for translating from > hardware irq numbers to linux irqs. This is particularly important > for architectures adding device tree support because the current > implementation (excluding PowerPC and SPARC) cannot handle > translation for more than a single interrupt controller. irq_domain > supports device tree translation for any number of interrupt > controllers. > > This patch converts x86, Microblaze, ARM and MIPS to use irq_domain > for device tree irq translation. x86 is untested beyond compiling it, > irq_domain is enabled for MIPS and Microblaze, but the old behaviour is > preserved until the core code is modified to actually register an > irq_domain yet. On ARM it works and is required for much of the new > ARM device tree board support. > > PowerPC has /not/ been converted to use this new infrastructure. It > is still missing some features before it can replace the virq > infrastructure already in powerpc (see documentation on > irq_domain_map/unmap for details). Followup patches will add the > missing pieces and migrate PowerPC to use irq_domain. > > SPARC has its own method of managing interrupts from the device tree > and is unaffected by this change.
I like it - yet another building block of the conversion of MIPS to DT in place. Acked-by: Ralf Baechle <[email protected]> Thanks, Ralf _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
