AuxXxilium/linux_dsm_epyc7002
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Merge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

Browse Source 
* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Provide locked setter for chip, handler, name
  genirq: Provide a lockdep helper
  genirq; Remove the last leftovers of the old sparse irq code
This commit is contained in:
Linus Torvalds 2011-03-25 17:52:53 -07:00
commit 839767e79e
2 changed files with 34 additions and 27 deletions
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47
include/linux/irqdesc.h
View File

@ -100,13 +100,6 @@ struct irq_desc {
extern struct irq_desc irq_desc[NR_IRQS];
#endif
/* Will be removed once the last users in power and sh are gone */
extern struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node);
static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node)
{
return desc;
}
#ifdef CONFIG_GENERIC_HARDIRQS
static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc)
@ -178,7 +171,36 @@ static inline int irq_has_action(unsigned int irq)
return desc->action != NULL;
}
/* caller has locked the irq_desc and both params are valid */
static inline void __irq_set_handler_locked(unsigned int irq,
irq_flow_handler_t handler)
{
struct irq_desc *desc;
desc = irq_to_desc(irq);
desc->handle_irq = handler;
}
/* caller has locked the irq_desc and both params are valid */
static inline void
__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
irq_flow_handler_t handler, const char *name)
{
struct irq_desc *desc;
desc = irq_to_desc(irq);
irq_desc_get_irq_data(desc)->chip = chip;
desc->handle_irq = handler;
desc->name = name;
}
#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
static inline void __set_irq_handler_unlocked(int irq,
irq_flow_handler_t handler)
{
__irq_set_handler_locked(irq, handler);
}
static inline int irq_balancing_disabled(unsigned int irq)
{
struct irq_desc *desc;
@ -188,14 +210,13 @@ static inline int irq_balancing_disabled(unsigned int irq)
}
#endif
/* caller has locked the irq_desc and both params are valid */
static inline void __set_irq_handler_unlocked(int irq,
irq_flow_handler_t handler)
static inline void
irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class)
{
struct irq_desc *desc;
struct irq_desc *desc = irq_to_desc(irq);
desc = irq_to_desc(irq);
desc->handle_irq = handler;
if (desc)
lockdep_set_class(&desc->lock, class);
}
#ifdef CONFIG_IRQ_PREFLOW_FASTEOI

14
kernel/irq/irqdesc.c
View File

@ -198,15 +198,6 @@ static int alloc_descs(unsigned int start, unsigned int cnt, int node)
return -ENOMEM;
}
struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
{
int res = irq_alloc_descs(irq, irq, 1, node);
if (res == -EEXIST || res == irq)
return irq_to_desc(irq);
return NULL;
}
static int irq_expand_nr_irqs(unsigned int nr)
{
if (nr > IRQ_BITMAP_BITS)
@ -283,11 +274,6 @@ struct irq_desc *irq_to_desc(unsigned int irq)
return (irq < NR_IRQS) ? irq_desc + irq : NULL;
}
struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node)
{
return irq_to_desc(irq);
}
static void free_desc(unsigned int irq)
{
dynamic_irq_cleanup(irq);