x86/irq: Convert IOAPIC to use hierarchical irqdomain interfaces
Convert IOAPIC driver to support and use hierarchical irqdomain interfaces. It's a little big, but would break bisecting if we split it into multiple patches. Fold in a patch from Andy Shevchenko <andriy.shevchenko@linux.intel.com> to make it bisectable. http://lkml.org/lkml/2014/12/10/622Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com> Tested-by: NJoerg Roedel <jroedel@suse.de> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Sander Eikelenboom <linux@eikelenboom.it> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: sfi-devel@simplefirmware.org Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dimitri Sivanich <sivanich@sgi.com> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: David Cohen <david.a.cohen@linux.intel.com> Link: http://lkml.kernel.org/r/1428905519-23704-38-git-send-email-jiang.liu@linux.intel.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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