No users and there is no need to grow them. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Tested-by: Juergen Gross <jgross@xxxxxxxx> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Link: https://lore.kernel.org/r/20211126223824.322987915@xxxxxxxxxxxxx --- include/linux/msi.h | 11 ++++------- kernel/irq/msi.c | 5 ----- 2 files changed, 4 insertions(+), 12 deletions(-) --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -304,7 +304,6 @@ struct msi_domain_info; * @msi_free: Domain specific function to free a MSI interrupts * @msi_check: Callback for verification of the domain/info/dev data * @msi_prepare: Prepare the allocation of the interrupts in the domain - * @msi_finish: Optional callback to finalize the allocation * @set_desc: Set the msi descriptor for an interrupt * @handle_error: Optional error handler if the allocation fails * @domain_alloc_irqs: Optional function to override the default allocation @@ -312,12 +311,11 @@ struct msi_domain_info; * @domain_free_irqs: Optional function to override the default free * function. * - * @get_hwirq, @msi_init and @msi_free are callbacks used by - * msi_create_irq_domain() and related interfaces + * @get_hwirq, @msi_init and @msi_free are callbacks used by the underlying + * irqdomain. * - * @msi_check, @msi_prepare, @msi_finish, @set_desc and @handle_error - * are callbacks used by msi_domain_alloc_irqs() and related - * interfaces which are based on msi_desc. + * @msi_check, @msi_prepare, @handle_error and @set_desc are callbacks used by + * msi_domain_alloc/free_irqs(). * * @domain_alloc_irqs, @domain_free_irqs can be used to override the * default allocation/free functions (__msi_domain_alloc/free_irqs). This @@ -351,7 +349,6 @@ struct msi_domain_ops { int (*msi_prepare)(struct irq_domain *domain, struct device *dev, int nvec, msi_alloc_info_t *arg); - void (*msi_finish)(msi_alloc_info_t *arg, int retval); void (*set_desc)(msi_alloc_info_t *arg, struct msi_desc *desc); int (*handle_error)(struct irq_domain *domain, --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -562,8 +562,6 @@ int __msi_domain_alloc_irqs(struct irq_d ret = -ENOSPC; if (ops->handle_error) ret = ops->handle_error(domain, desc, ret); - if (ops->msi_finish) - ops->msi_finish(&arg, ret); return ret; } @@ -573,9 +571,6 @@ int __msi_domain_alloc_irqs(struct irq_d } } - if (ops->msi_finish) - ops->msi_finish(&arg, 0); - can_reserve = msi_check_reservation_mode(domain, info, dev); /*