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| author | Thomas Gleixner <tglx@linutronix.de> | 2022-11-11 14:54:27 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2022-11-17 15:15:19 +0100 |
| commit | f6d3486a3d2f3c67d732641834eec872fcc66472 (patch) | |
| tree | 73e4ce46034779170b09292ffb3fc9dfbfe033a6 | |
| parent | genirq/msi: Make __msi_domain_alloc_irqs() static (diff) | |
| download | linux-f6d3486a3d2f3c67d732641834eec872fcc66472.tar.xz linux-f6d3486a3d2f3c67d732641834eec872fcc66472.zip | |
genirq/msi: Provide msi_domain_ops:: Post_free()
To prepare for removing the exposure of __msi_domain_free_irqs() provide a
post_free() callback in the MSI domain ops which can be used to solve
the problem of the only user of __msi_domain_free_irqs() in arch/powerpc.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20221111122014.063153448@linutronix.de
| -rw-r--r-- | include/linux/msi.h | 4 | ||||
| -rw-r--r-- | kernel/irq/msi.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h index 9b552ee58a37..7f6aba9d6b4e 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -315,6 +315,8 @@ struct msi_domain_info; * function. * @domain_free_irqs: Optional function to override the default free * function. + * @msi_post_free: Optional function which is invoked after freeing + * all interrupts. * * @get_hwirq, @msi_init and @msi_free are callbacks used by the underlying * irqdomain. @@ -359,6 +361,8 @@ struct msi_domain_ops { struct device *dev, int nvec); void (*domain_free_irqs)(struct irq_domain *domain, struct device *dev); + void (*msi_post_free)(struct irq_domain *domain, + struct device *dev); }; /** diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 3ccc7f68804b..c71c37d3fa34 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -1026,6 +1026,8 @@ void msi_domain_free_irqs_descs_locked(struct irq_domain *domain, struct device lockdep_assert_held(&dev->msi.data->mutex); ops->domain_free_irqs(domain, dev); + if (ops->msi_post_free) + ops->msi_post_free(domain, dev); msi_domain_free_msi_descs(info, dev); } |