soc: ti: ti_sci_inta_msi: Remove ti_sci_inta_msi_domain_free_irqs()

The function has no users and is pointless now that the core frees the MSI
descriptors, which means potential users can just use msi_domain_free_irqs().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20211206210748.793119155@linutronix.de

Author: KAGA-KOKO

drivers/soc/ti/ti_sci_inta_msi.c

@@ -122,9 +122,3 @@ int ti_sci_inta_msi_domain_alloc_irqs(struct device *dev,
 	return ret;
 }
 EXPORT_SYMBOL_GPL(ti_sci_inta_msi_domain_alloc_irqs);
-
-void ti_sci_inta_msi_domain_free_irqs(struct device *dev)
-{
-	msi_domain_free_irqs(dev->msi.domain, dev);
-}
-EXPORT_SYMBOL_GPL(ti_sci_inta_msi_domain_free_irqs);

include/linux/soc/ti/ti_sci_inta_msi.h

@@ -18,5 +18,4 @@ struct irq_domain
 				   struct irq_domain *parent);
 int ti_sci_inta_msi_domain_alloc_irqs(struct device *dev,
 				      struct ti_sci_resource *res);
-void ti_sci_inta_msi_domain_free_irqs(struct device *dev);
 #endif /* __INCLUDE_LINUX_IRQCHIP_TI_SCI_INTA_H */