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Subject[tip: irq/core] PCI/MSI: Use msi_domain_info:: Bus_token
The following commit has been merged into the irq/core branch of tip:

Commit-ID: 38c0c10ae6a3d386c50e182227f606d8243124b8
Gitweb: https://git.kernel.org/tip/38c0c10ae6a3d386c50e182227f606d8243124b8
Author: Ahmed S. Darwish <darwi@linutronix.de>
AuthorDate: Fri, 11 Nov 2022 14:54:35 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Thu, 17 Nov 2022 15:15:19 +01:00

PCI/MSI: Use msi_domain_info:: Bus_token

Set the bus token in the msi_domain_info structure and let the core code
handle the update.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20221111122014.352437595@linutronix.de

---
drivers/pci/msi/irqdomain.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/msi/irqdomain.c b/drivers/pci/msi/irqdomain.c
index e9cf318..7766fa6 100644
--- a/drivers/pci/msi/irqdomain.c
+++ b/drivers/pci/msi/irqdomain.c
@@ -162,8 +162,6 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
- struct irq_domain *domain;
-
if (WARN_ON(info->flags & MSI_FLAG_LEVEL_CAPABLE))
info->flags &= ~MSI_FLAG_LEVEL_CAPABLE;

@@ -178,13 +176,10 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,

/* PCI-MSI is oneshot-safe */
info->chip->flags |= IRQCHIP_ONESHOT_SAFE;
+ /* Let the core update the bus token */
+ info->bus_token = DOMAIN_BUS_PCI_MSI;

- domain = msi_create_irq_domain(fwnode, info, parent);
- if (!domain)
- return NULL;
-
- irq_domain_update_bus_token(domain, DOMAIN_BUS_PCI_MSI);
- return domain;
+ return msi_create_irq_domain(fwnode, info, parent);
}
EXPORT_SYMBOL_GPL(pci_msi_create_irq_domain);

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