The following commit has been merged into the irq/core branch of tip:
Commit-ID: 4443664f298d1a2cba25a2e48d53b78f4138209b
Gitweb: https://git.kernel.org/tip/4443664f298d1a2cba25a2e48d53b78f4138209b
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Fri, 25 Nov 2022 00:25:54 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Mon, 05 Dec 2022 19:21:01 +01:00
genirq/irqdomain: Add irq_domain:: Dev for per device MSI domains
Per device domains require the device pointer of the device which
instantiated the domain for some purposes. Add the pointer to struct
irq_domain. It will be used in the next step which provides the
infrastructure to create per device MSI domains.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Acked-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221124232325.618807601@xxxxxxxxxxxxx
---
include/linux/irqdomain.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index a668cc0..a372086 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -132,6 +132,9 @@ struct irq_domain_chip_generic;
* @gc: Pointer to a list of generic chips. There is a helper function for
* setting up one or more generic chips for interrupt controllers
* drivers using the generic chip library which uses this pointer.
+ * @dev: Pointer to the device which instantiated the irqdomain
+ * With per device irq domains this is not necessarily the same
+ * as @pm_dev.
* @pm_dev: Pointer to a device that can be utilized for power management
* purposes related to the irq domain.
* @parent: Pointer to parent irq_domain to support hierarchy irq_domains
@@ -155,6 +158,7 @@ struct irq_domain {
struct fwnode_handle *fwnode;
enum irq_domain_bus_token bus_token;
struct irq_domain_chip_generic *gc;
+ struct device *dev;
struct device *pm_dev;
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
struct irq_domain *parent;
|