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Commit a257954b authored May 27, 2014 by Jiang Liu Committed by Thomas Gleixner May 27, 2014

genirq: Improve documentation to match current implementation

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Jiri Kosina <trivial@kernel.org>
Link: http://lkml.kernel.org/r/1401178092-1228-3-git-send-email-jiang.liu@linux.intel.com

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 8d2af85e

Documentation/IRQ-domain.txt

+1 −2

Original line number	Diff line number	Diff line
		@@ -41,8 +41,7 @@ An interrupt controller driver creates and registers an irq_domain by
		calling one of the irq_domain_add_*() functions (each mapping method
		has a different allocator function, more on that later). The function
		will return a pointer to the irq_domain on success. The caller must
		provide the allocator function with an irq_domain_ops structure with
		the .map callback populated as a minimum.
		provide the allocator function with an irq_domain_ops structure.

		In most cases, the irq_domain will begin empty without any mappings
		between hwirq and IRQ numbers. Mappings are added to the irq_domain

kernel/irq/internals.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -33,7 +33,7 @@ enum {
		};

		/*
		* Bit masks for desc->state
		* Bit masks for desc->core_internal_state__do_not_mess_with_it
		*
		* IRQS_AUTODETECT - autodetection in progress
		* IRQS_SPURIOUS_DISABLED - was disabled due to spurious interrupt

kernel/irq/irqdomain.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -27,14 +27,14 @@ static struct irq_domain *irq_default_domain;
		* __irq_domain_add() - Allocate a new irq_domain data structure
		* @of_node: optional device-tree node of the interrupt controller
		* @size: Size of linear map; 0 for radix mapping only
		* @hwirq_max: Maximum number of interrupts supported by controller
		* @direct_max: Maximum value of direct maps; Use ~0 for no limit; 0 for no
		* direct mapping
		* @ops: map/unmap domain callbacks
		* @host_data: Controller private data pointer
		*
		* Allocates and initialize and irq_domain structure. Caller is expected to
		* register allocated irq_domain with irq_domain_register(). Returns pointer
		* to IRQ domain, or NULL on failure.
		* Allocates and initialize and irq_domain structure.
		* Returns pointer to IRQ domain, or NULL on failure.
		*/
		struct irq_domain __irq_domain_add(struct device_node of_node, int size,
		irq_hw_number_t hwirq_max, int direct_max,