Commit b227be0d authored by Marc Zyngier's avatar Marc Zyngier Committed by Lorenzo Pieralisi
Browse files

PCI/MSI: Kill msi_controller structure 

msi_controller had a good, long life as the abstraction for
a driver providing MSIs to PCI devices. But it has been replaced
in all drivers by the more expressive generic MSI framework.

Farewell, struct msi_controller.

Link: https://lore.kernel.org/r/20210330151145.997953-9-maz@kernel.org


Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 3a05d08f

include/linux/msi.h

+1 −15
Original line number Diff line number Diff line
@@ -240,8 +240,7 @@ void pci_msi_unmask_irq(struct irq_data *data); 
/*

 * The arch hooks to setup up msi irqs. Default functions are implemented

 * as weak symbols so that they /can/ be overriden by architecture specific

 * code if needed. These hooks must be enabled by the architecture or by

 * drivers which depend on them via msi_controller based MSI handling.

 * code if needed. These hooks can only be enabled by the architecture.

 *

 * If CONFIG_PCI_MSI_ARCH_FALLBACKS is not selected they are replaced by

 * stubs with warnings.
@@ -272,19 +271,6 @@ static inline void arch_teardown_msi_irqs(struct pci_dev *dev) 
void arch_restore_msi_irqs(struct pci_dev *dev);

void default_restore_msi_irqs(struct pci_dev *dev);



struct msi_controller {

	struct module *owner;

	struct device *dev;

	struct device_node *of_node;

	struct list_head list;



	int (*setup_irq)(struct msi_controller *chip, struct pci_dev *dev,

			 struct msi_desc *desc);

	int (*setup_irqs)(struct msi_controller *chip, struct pci_dev *dev,

			  int nvec, int type);

	void (*teardown_irq)(struct msi_controller *chip, unsigned int irq);

};



#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN



#include <linux/irqhandler.h>