Commit 858e65af authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

irqdomain: Add device pointer to irq_domain_info and msi_domain_info 



Add device pointer to irq_domain_info and msi_domain_info, so that the device
can be specified at domain creation time.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarNam Cao <namcao@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/943e52403b20cf13c320d55bd4446b4562466aab.1750860131.git.namcao@linutronix.de
parent 41a5f828

include/linux/irqdomain.h

+2 −0
Original line number Diff line number Diff line
@@ -279,6 +279,7 @@ struct irq_domain_chip_generic_info; 
 *			domains are added using same fwnode

 * @ops:		Domain operation callbacks

 * @host_data:		Controller private data pointer

 * @dev:		Device which creates the domain

 * @dgc_info:		Geneneric chip information structure pointer used to

 *			create generic chips for the domain if not NULL.

 * @init:		Function called when the domain is created.
@@ -298,6 +299,7 @@ struct irq_domain_info { 
	const char				*name_suffix;

	const struct irq_domain_ops		*ops;

	void					*host_data;

	struct device				*dev;

#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY

	/**

	 * @parent: Pointer to the parent irq domain used in a hierarchy domain

include/linux/msi.h

+2 −0
Original line number Diff line number Diff line
@@ -488,6 +488,7 @@ struct msi_domain_ops { 
 *			gets initialized to the maximum software index limit

 *			by the domain creation code.

 * @ops:		The callback data structure

 * @dev:		Device which creates the domain

 * @chip:		Optional: associated interrupt chip

 * @chip_data:		Optional: associated interrupt chip data

 * @handler:		Optional: associated interrupt flow handler
@@ -501,6 +502,7 @@ struct msi_domain_info { 
	enum irq_domain_bus_token	bus_token;

	unsigned int			hwsize;

	struct msi_domain_ops		*ops;

	struct device			*dev;

	struct irq_chip			*chip;

	void				*chip_data;

	irq_flow_handler_t		handler;

kernel/irq/irqdomain.c

+1 −0
Original line number Diff line number Diff line
@@ -317,6 +317,7 @@ static struct irq_domain *__irq_domain_instantiate(const struct irq_domain_info 


	domain->flags |= info->domain_flags;

	domain->exit = info->exit;

	domain->dev = info->dev;



#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY

	if (info->parent) {

kernel/irq/msi.c

+2 −1
Original line number Diff line number Diff line
@@ -889,6 +889,7 @@ static struct irq_domain *__msi_create_irq_domain(struct fwnode_handle *fwnode, 


	if (domain) {

		irq_domain_update_bus_token(domain, info->bus_token);

		domain->dev = info->dev;

		if (info->flags & MSI_FLAG_PARENT_PM_DEV)

			domain->pm_dev = parent->pm_dev;

	}
@@ -1051,6 +1052,7 @@ bool msi_create_device_irq_domain(struct device *dev, unsigned int domid, 
	bundle->info.data = domain_data;

	bundle->info.chip_data = chip_data;

	bundle->info.alloc_data = &bundle->alloc_info;

	bundle->info.dev = dev;



	pops = parent->msi_parent_ops;

	snprintf(bundle->name, sizeof(bundle->name), "%s%s-%s",
@@ -1089,7 +1091,6 @@ bool msi_create_device_irq_domain(struct device *dev, unsigned int domid, 
	if (!domain)

		return false;



	domain->dev = dev;

	dev->msi.data->__domains[domid].domain = domain;



	if (msi_domain_prepare_irqs(domain, dev, hwsize, &bundle->alloc_info)) {