[tip: irq/msi] irqchip/irq-msi-lib: Prepare for DOMAIN_BUS_WIRED_TO_MSI

[tip-bot2 for Thomas Gleixner]

The following commit has been merged into the irq/msi branch of tip:

Commit-ID:     64a855324311ddad7a85fc0b25ce1f3914ed3425
Gitweb:        https://git.kernel.org/tip/64a855324311ddad7a85fc0b25ce1f3914ed3425
Author:        Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate:    Sun, 23 Jun 2024 17:18:44 +02:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Thu, 18 Jul 2024 20:31:20 +02:00

irqchip/irq-msi-lib: Prepare for DOMAIN_BUS_WIRED_TO_MSI

Add the new bus token to the accepted list of child domain tokens.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx>
Signed-off-by: Shivamurthy Shastri <shivamurthy.shastri@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240623142235.207343466@xxxxxxxxxxxxx



---
 drivers/irqchip/irq-msi-lib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/irqchip/irq-msi-lib.c b/drivers/irqchip/irq-msi-lib.c
index b98a219..d20a0e6 100644
--- a/drivers/irqchip/irq-msi-lib.c
+++ b/drivers/irqchip/irq-msi-lib.c
@@ -69,6 +69,8 @@ bool msi_lib_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
 
 		/* Core managed MSI descriptors */
 		info->flags = MSI_FLAG_ALLOC_SIMPLE_MSI_DESCS | MSI_FLAG_FREE_MSI_DESCS;
+		fallthrough;
+	case DOMAIN_BUS_WIRED_TO_MSI:
 		/* Remove PCI specific flags */
 		required_flags &= ~MSI_FLAG_PCI_MSI_MASK_PARENT;
 		break;