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[06/13] PCI: MSI: Kill msi_controller structure

Message ID 20210225151023.3642391-7-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series PCI: MSI: Getting rid of msi_controller, and other cleanups | expand

Commit Message

Marc Zyngier Feb. 25, 2021, 3:10 p.m. UTC
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.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 include/linux/msi.h | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)
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Patch

diff --git a/include/linux/msi.h b/include/linux/msi.h
index aef35fd1cf11..3f21e77b57b7 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -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>