linux-kernel - [PATCH 0/4] irqdomain: Improve irq_domain

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Date:   Fri, 12 May 2017 12:55:34 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 0/4] irqdomain: Improve irq_domain_mapping facility

/sys/kernel/debug/irq_domain_mapping is a pretty useful tool to find
out how irqdomains (and individual interrupts) are setup, but it lacks
an understanding of hierarchical domains, and is not documented at
all.

Let's start to remedy this, as people seem incredibly puzzled by the
whole stacked domain thing, wasting too much time reverse-engineering
the core code while just peeking at a debugfs file could give them an
insight on what's going on.

Marc Zyngier (4):
  irqdomain: Let irq_domain_mapping display hierarchical domains
  irqdomain: Let irq_domain_mapping display ACPI fwnode attributes
  genirq/msi: Populate the domain name if provided by the irqchip
  Documentation: Update IRQ-domain.txt to document irq_domain_mapping

 Documentation/IRQ-domain.txt | 41 ++++++++++++++++++++--
 kernel/irq/irqdomain.c       | 81 ++++++++++++++++++++++++++++++--------------
 kernel/irq/msi.c             | 10 ++++--
 3 files changed, 102 insertions(+), 30 deletions(-)

-- 
2.11.0