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Diffstat (limited to 'kernel/irq/manage.c')
-rw-r--r--kernel/irq/manage.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index c4b7ed1cebf7..8b961adc3bd2 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -482,89 +482,3 @@ int request_irq(unsigned int irq, irq_handler_t handler,
return retval;
}
EXPORT_SYMBOL(request_irq);
-
-/*
- * Device resource management aware IRQ request/free implementation.
- */
-struct irq_devres {
- unsigned int irq;
- void *dev_id;
-};
-
-static void devm_irq_release(struct device *dev, void *res)
-{
- struct irq_devres *this = res;
-
- free_irq(this->irq, this->dev_id);
-}
-
-static int devm_irq_match(struct device *dev, void *res, void *data)
-{
- struct irq_devres *this = res, *match = data;
-
- return this->irq == match->irq && this->dev_id == match->dev_id;
-}
-
-/**
- * devm_request_irq - allocate an interrupt line for a managed device
- * @dev: device to request interrupt for
- * @irq: Interrupt line to allocate
- * @handler: Function to be called when the IRQ occurs
- * @irqflags: Interrupt type flags
- * @devname: An ascii name for the claiming device
- * @dev_id: A cookie passed back to the handler function
- *
- * Except for the extra @dev argument, this function takes the
- * same arguments and performs the same function as
- * request_irq(). IRQs requested with this function will be
- * automatically freed on driver detach.
- *
- * If an IRQ allocated with this function needs to be freed
- * separately, dev_free_irq() must be used.
- */
-int devm_request_irq(struct device *dev, unsigned int irq,
- irq_handler_t handler, unsigned long irqflags,
- const char *devname, void *dev_id)
-{
- struct irq_devres *dr;
- int rc;
-
- dr = devres_alloc(devm_irq_release, sizeof(struct irq_devres),
- GFP_KERNEL);
- if (!dr)
- return -ENOMEM;
-
- rc = request_irq(irq, handler, irqflags, devname, dev_id);
- if (rc) {
- kfree(dr);
- return rc;
- }
-
- dr->irq = irq;
- dr->dev_id = dev_id;
- devres_add(dev, dr);
-
- return 0;
-}
-EXPORT_SYMBOL(devm_request_irq);
-
-/**
- * devm_free_irq - free an interrupt
- * @dev: device to free interrupt for
- * @irq: Interrupt line to free
- * @dev_id: Device identity to free
- *
- * Except for the extra @dev argument, this function takes the
- * same arguments and performs the same function as free_irq().
- * This function instead of free_irq() should be used to manually
- * free IRQs allocated with dev_request_irq().
- */
-void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id)
-{
- struct irq_devres match_data = { irq, dev_id };
-
- free_irq(irq, dev_id);
- WARN_ON(devres_destroy(dev, devm_irq_release, devm_irq_match,
- &match_data));
-}
-EXPORT_SYMBOL(devm_free_irq);