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UPSTREAM: PCI/MSI: Kill msi_controller structure

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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: Marc Zyngier <maz@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
(cherry picked from commit b227be0d73)
Signed-off-by: Marc Zyngier <mzyngier@google.com>
Change-Id: I1bd972f5816aba4573556677a5e518a0a5af405c
Bug: 187801341
This commit is contained in:
Marc Zyngier
2021-03-30 16:11:39 +01:00
committed by Marc Zyngier
parent 7f2fd2873a
commit 1aa519ec26
1 changed files with 1 additions and 15 deletions
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16
include/linux/msi.h
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@@ -201,8 +201,7 @@ 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.
@@ -233,19 +232,6 @@ 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>