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genirq: Remove compat code

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-03-28 13:32:20 +02:00
parent dced35aeb0
commit 0c6f8a8b91
14 changed files with 25 additions and 452 deletions
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117
include/linux/irq.h
View File

@ -92,18 +92,6 @@ enum {
IRQ_NO_BALANCING = (1 << 13),
IRQ_MOVE_PCNTXT = (1 << 14),
IRQ_NESTED_THREAD = (1 << 15),
#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
IRQ_INPROGRESS = (1 << 16),
IRQ_REPLAY = (1 << 17),
IRQ_WAITING = (1 << 18),
IRQ_DISABLED = (1 << 19),
IRQ_PENDING = (1 << 20),
IRQ_MASKED = (1 << 21),
IRQ_MOVE_PENDING = (1 << 22),
IRQ_AFFINITY_SET = (1 << 23),
IRQ_WAKEUP = (1 << 24),
#endif
};
#define IRQF_MODIFY_MASK \
@ -321,28 +309,6 @@ static inline void irqd_clr_chained_irq_inprogress(struct irq_data *d)
*/
struct irq_chip {
const char *name;
#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
unsigned int (*startup)(unsigned int irq);
void (*shutdown)(unsigned int irq);
void (*enable)(unsigned int irq);
void (*disable)(unsigned int irq);
void (*ack)(unsigned int irq);
void (*mask)(unsigned int irq);
void (*mask_ack)(unsigned int irq);
void (*unmask)(unsigned int irq);
void (*eoi)(unsigned int irq);
void (*end)(unsigned int irq);
int (*set_affinity)(unsigned int irq,
const struct cpumask *dest);
int (*retrigger)(unsigned int irq);
int (*set_type)(unsigned int irq, unsigned int flow_type);
int (*set_wake)(unsigned int irq, unsigned int on);
void (*bus_lock)(unsigned int irq);
void (*bus_sync_unlock)(unsigned int irq);
#endif
unsigned int (*irq_startup)(struct irq_data *data);
void (*irq_shutdown)(struct irq_data *data);
void (*irq_enable)(struct irq_data *data);
@ -589,89 +555,6 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d)
return d->msi_desc;
}
#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
/* Please do not use: Use the replacement functions instead */
static inline int set_irq_chip(unsigned int irq, struct irq_chip *chip)
{
return irq_set_chip(irq, chip);
}
static inline int set_irq_data(unsigned int irq, void *data)
{
return irq_set_handler_data(irq, data);
}
static inline int set_irq_chip_data(unsigned int irq, void *data)
{
return irq_set_chip_data(irq, data);
}
static inline int set_irq_type(unsigned int irq, unsigned int type)
{
return irq_set_irq_type(irq, type);
}
static inline int set_irq_msi(unsigned int irq, struct msi_desc *entry)
{
return irq_set_msi_desc(irq, entry);
}
static inline struct irq_chip *get_irq_chip(unsigned int irq)
{
return irq_get_chip(irq);
}
static inline void *get_irq_chip_data(unsigned int irq)
{
return irq_get_chip_data(irq);
}
static inline void *get_irq_data(unsigned int irq)
{
return irq_get_handler_data(irq);
}
static inline void *irq_data_get_irq_data(struct irq_data *d)
{
return irq_data_get_irq_handler_data(d);
}
static inline struct msi_desc *get_irq_msi(unsigned int irq)
{
return irq_get_msi_desc(irq);
}
static inline void set_irq_noprobe(unsigned int irq)
{
irq_set_noprobe(irq);
}
static inline void set_irq_probe(unsigned int irq)
{
irq_set_probe(irq);
}
static inline void set_irq_nested_thread(unsigned int irq, int nest)
{
irq_set_nested_thread(irq, nest);
}
static inline void
set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
irq_flow_handler_t handle, const char *name)
{
irq_set_chip_and_handler_name(irq, chip, handle, name);
}
static inline void
set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
irq_flow_handler_t handle)
{
irq_set_chip_and_handler(irq, chip, handle);
}
static inline void
__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
const char *name)
{
__irq_set_handler(irq, handle, is_chained, name);
}
static inline void set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
{
irq_set_handler(irq, handle);
}
static inline void
set_irq_chained_handler(unsigned int irq, irq_flow_handler_t handle)
{
irq_set_chained_handler(irq, handle);
}
#endif
int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node);
void irq_free_descs(unsigned int irq, unsigned int cnt);
int irq_reserve_irqs(unsigned int from, unsigned int cnt);

60
include/linux/irqdesc.h
View File

@ -35,32 +35,7 @@ struct timer_rand_state;
* @name: flow handler name for /proc/interrupts output
*/
struct irq_desc {
#ifdef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
struct irq_data irq_data;
#else
/*
* This union will go away, once we fixed the direct access to
* irq_desc all over the place. The direct fields are a 1:1
* overlay of irq_data.
*/
union {
struct irq_data irq_data;
struct {
unsigned int irq;
unsigned int node;
unsigned int pad_do_not_even_think_about_it;
struct irq_chip *chip;
void *handler_data;
void *chip_data;
struct msi_desc *msi_desc;
#ifdef CONFIG_SMP
cpumask_var_t affinity;
#endif
};
};
#endif
struct timer_rand_state *timer_rand_state;
unsigned int __percpu *kstat_irqs;
irq_flow_handler_t handle_irq;
@ -68,11 +43,7 @@ struct irq_desc {
irq_preflow_handler_t preflow_handler;
#endif
struct irqaction *action; /* IRQ action list */
#ifdef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
unsigned int status_use_accessors;
#else
unsigned int status; /* IRQ status */
#endif
unsigned int core_internal_state__do_not_mess_with_it;
unsigned int depth; /* nested irq disables */
unsigned int wake_depth; /* nested wake enables */
@ -127,27 +98,6 @@ static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc)
return desc->irq_data.msi_desc;
}
#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
static inline struct irq_chip *get_irq_desc_chip(struct irq_desc *desc)
{
return irq_desc_get_chip(desc);
}
static inline void *get_irq_desc_data(struct irq_desc *desc)
{
return irq_desc_get_handler_data(desc);
}
static inline void *get_irq_desc_chip_data(struct irq_desc *desc)
{
return irq_desc_get_chip_data(desc);
}
static inline struct msi_desc *get_irq_desc_msi(struct irq_desc *desc)
{
return irq_desc_get_msi_desc(desc);
}
#endif
/*
* Architectures call this to let the generic IRQ layer
* handle an interrupt. If the descriptor is attached to an
@ -194,21 +144,13 @@ __irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
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;
desc = irq_to_desc(irq);
return desc->status & IRQ_NO_BALANCING_MASK;
return desc->status_use_accessors & IRQ_NO_BALANCING_MASK;
}
#endif
static inline void
irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class)

4
kernel/irq/Kconfig
View File

@ -10,10 +10,6 @@ menu "IRQ subsystem"
config GENERIC_HARDIRQS
def_bool y
# Select this to disable the deprecated stuff
config GENERIC_HARDIRQS_NO_DEPRECATED
bool
config GENERIC_HARDIRQS_NO_COMPAT
bool

4
kernel/irq/autoprobe.c
View File

@ -70,10 +70,8 @@ unsigned long probe_irq_on(void)
raw_spin_lock_irq(&desc->lock);
if (!desc->action && irq_settings_can_probe(desc)) {
desc->istate |= IRQS_AUTODETECT | IRQS_WAITING;
if (irq_startup(desc)) {
irq_compat_set_pending(desc);
if (irq_startup(desc))
desc->istate |= IRQS_PENDING;
}
}
raw_spin_unlock_irq(&desc->lock);
}

129
kernel/irq/chip.c
View File

@ -34,7 +34,6 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip)
if (!chip)
chip = &no_irq_chip;
irq_chip_set_defaults(chip);
desc->irq_data.chip = chip;
irq_put_desc_unlock(desc, flags);
/*
@ -141,25 +140,21 @@ EXPORT_SYMBOL_GPL(irq_get_irq_data);
static void irq_state_clr_disabled(struct irq_desc *desc)
{
irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED);
irq_compat_clr_disabled(desc);
}
static void irq_state_set_disabled(struct irq_desc *desc)
{
irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
irq_compat_set_disabled(desc);
}
static void irq_state_clr_masked(struct irq_desc *desc)
{
irqd_clear(&desc->irq_data, IRQD_IRQ_MASKED);
irq_compat_clr_masked(desc);
}
static void irq_state_set_masked(struct irq_desc *desc)
{
irqd_set(&desc->irq_data, IRQD_IRQ_MASKED);
irq_compat_set_masked(desc);
}
int irq_startup(struct irq_desc *desc)
@ -209,126 +204,6 @@ void irq_disable(struct irq_desc *desc)
}
}
#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
/* Temporary migration helpers */
static void compat_irq_mask(struct irq_data *data)
{
data->chip->mask(data->irq);
}
static void compat_irq_unmask(struct irq_data *data)
{
data->chip->unmask(data->irq);
}
static void compat_irq_ack(struct irq_data *data)
{
data->chip->ack(data->irq);
}
static void compat_irq_mask_ack(struct irq_data *data)
{
data->chip->mask_ack(data->irq);
}
static void compat_irq_eoi(struct irq_data *data)
{
data->chip->eoi(data->irq);
}
static void compat_irq_enable(struct irq_data *data)
{
data->chip->enable(data->irq);
}
static void compat_irq_disable(struct irq_data *data)
{
data->chip->disable(data->irq);
}
static void compat_irq_shutdown(struct irq_data *data)
{
data->chip->shutdown(data->irq);
}
static unsigned int compat_irq_startup(struct irq_data *data)
{
return data->chip->startup(data->irq);
}
static int compat_irq_set_affinity(struct irq_data *data,
const struct cpumask *dest, bool force)
{
return data->chip->set_affinity(data->irq, dest);
}
static int compat_irq_set_type(struct irq_data *data, unsigned int type)
{
return data->chip->set_type(data->irq, type);
}
static int compat_irq_set_wake(struct irq_data *data, unsigned int on)
{
return data->chip->set_wake(data->irq, on);
}
static int compat_irq_retrigger(struct irq_data *data)
{
return data->chip->retrigger(data->irq);
}
static void compat_bus_lock(struct irq_data *data)
{
data->chip->bus_lock(data->irq);
}
static void compat_bus_sync_unlock(struct irq_data *data)
{
data->chip->bus_sync_unlock(data->irq);
}
#endif
/*
* Fixup enable/disable function pointers
*/
void irq_chip_set_defaults(struct irq_chip *chip)
{
#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
if (chip->enable)
chip->irq_enable = compat_irq_enable;
if (chip->disable)
chip->irq_disable = compat_irq_disable;
if (chip->shutdown)
chip->irq_shutdown = compat_irq_shutdown;
if (chip->startup)
chip->irq_startup = compat_irq_startup;
if (!chip->end)
chip->end = dummy_irq_chip.end;
if (chip->bus_lock)
chip->irq_bus_lock = compat_bus_lock;
if (chip->bus_sync_unlock)
chip->irq_bus_sync_unlock = compat_bus_sync_unlock;
if (chip->mask)
chip->irq_mask = compat_irq_mask;
if (chip->unmask)
chip->irq_unmask = compat_irq_unmask;
if (chip->ack)
chip->irq_ack = compat_irq_ack;
if (chip->mask_ack)
chip->irq_mask_ack = compat_irq_mask_ack;
if (chip->eoi)
chip->irq_eoi = compat_irq_eoi;
if (chip->set_affinity)
chip->irq_set_affinity = compat_irq_set_affinity;
if (chip->set_type)
chip->irq_set_type = compat_irq_set_type;
if (chip->set_wake)
chip->irq_set_wake = compat_irq_set_wake;
if (chip->retrigger)
chip->irq_retrigger = compat_irq_retrigger;
#endif
}
static inline void mask_ack_irq(struct irq_desc *desc)
{
if (desc->irq_data.chip->irq_mask_ack)
@ -381,7 +256,6 @@ void handle_nested_irq(unsigned int irq)
if (unlikely(!action || irqd_irq_disabled(&desc->irq_data)))
goto out_unlock;
irq_compat_set_progress(desc);
irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS);
raw_spin_unlock_irq(&desc->lock);
@ -391,7 +265,6 @@ void handle_nested_irq(unsigned int irq)
raw_spin_lock_irq(&desc->lock);
irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
irq_compat_clr_progress(desc);
out_unlock:
raw_spin_unlock_irq(&desc->lock);
@ -514,7 +387,6 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
* then mask it and get out of here:
*/
if (unlikely(!desc->action || irqd_irq_disabled(&desc->irq_data))) {
irq_compat_set_pending(desc);
desc->istate |= IRQS_PENDING;
mask_irq(desc);
goto out;
@ -567,7 +439,6 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
if (unlikely(irqd_irq_disabled(&desc->irq_data) ||
irqd_irq_inprogress(&desc->irq_data) || !desc->action)) {
if (!irq_check_poll(desc)) {
irq_compat_set_pending(desc);
desc->istate |= IRQS_PENDING;
mask_ack_irq(desc);
goto out_unlock;

72
kernel/irq/compat.h
View File

@ -1,72 +0,0 @@
/*
* Compat layer for transition period
*/
#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
static inline void irq_compat_set_progress(struct irq_desc *desc)
{
desc->status |= IRQ_INPROGRESS;
}
static inline void irq_compat_clr_progress(struct irq_desc *desc)
{
desc->status &= ~IRQ_INPROGRESS;
}
static inline void irq_compat_set_disabled(struct irq_desc *desc)
{
desc->status |= IRQ_DISABLED;
}
static inline void irq_compat_clr_disabled(struct irq_desc *desc)
{
desc->status &= ~IRQ_DISABLED;
}
static inline void irq_compat_set_pending(struct irq_desc *desc)
{
desc->status |= IRQ_PENDING;
}
static inline void irq_compat_clr_pending(struct irq_desc *desc)
{
desc->status &= ~IRQ_PENDING;
}
static inline void irq_compat_set_masked(struct irq_desc *desc)
{
desc->status |= IRQ_MASKED;
}
static inline void irq_compat_clr_masked(struct irq_desc *desc)
{
desc->status &= ~IRQ_MASKED;
}
static inline void irq_compat_set_move_pending(struct irq_desc *desc)
{
desc->status |= IRQ_MOVE_PENDING;
}
static inline void irq_compat_clr_move_pending(struct irq_desc *desc)
{
desc->status &= ~IRQ_MOVE_PENDING;
}
static inline void irq_compat_set_affinity(struct irq_desc *desc)
{
desc->status |= IRQ_AFFINITY_SET;
}
static inline void irq_compat_clr_affinity(struct irq_desc *desc)
{
desc->status &= ~IRQ_AFFINITY_SET;
}
#else
static inline void irq_compat_set_progress(struct irq_desc *desc) { }
static inline void irq_compat_clr_progress(struct irq_desc *desc) { }
static inline void irq_compat_set_disabled(struct irq_desc *desc) { }
static inline void irq_compat_clr_disabled(struct irq_desc *desc) { }
static inline void irq_compat_set_pending(struct irq_desc *desc) { }
static inline void irq_compat_clr_pending(struct irq_desc *desc) { }
static inline void irq_compat_set_masked(struct irq_desc *desc) { }
static inline void irq_compat_clr_masked(struct irq_desc *desc) { }
static inline void irq_compat_set_move_pending(struct irq_desc *desc) { }
static inline void irq_compat_clr_move_pending(struct irq_desc *desc) { }
static inline void irq_compat_set_affinity(struct irq_desc *desc) { }
static inline void irq_compat_clr_affinity(struct irq_desc *desc) { }
#endif

2
kernel/irq/debug.h
View File

@ -4,7 +4,7 @@
#include <linux/kallsyms.h>
#define P(f) if (desc->status & f) printk("%14s set\n", #f)
#define P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
#define PS(f) if (desc->istate & f) printk("%14s set\n", #f)
/* FIXME */
#define PD(f) do { } while (0)

9
kernel/irq/dummychip.c
View File

@ -31,13 +31,6 @@ static unsigned int noop_ret(struct irq_data *data)
return 0;
}
#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
static void compat_noop(unsigned int irq) { }
#define END_INIT .end = compat_noop
#else
#define END_INIT
#endif
/*
* Generic no controller implementation
*/
@ -48,7 +41,6 @@ struct irq_chip no_irq_chip = {
.irq_enable = noop,
.irq_disable = noop,
.irq_ack = ack_bad,
END_INIT
};
/*
@ -64,5 +56,4 @@ struct irq_chip dummy_irq_chip = {
.irq_ack = noop,
.irq_mask = noop,
.irq_unmask = noop,
END_INIT
};

3
kernel/irq/handle.c
View File

@ -175,9 +175,7 @@ irqreturn_t handle_irq_event(struct irq_desc *desc)
struct irqaction *action = desc->action;
irqreturn_t ret;
irq_compat_clr_pending(desc);
desc->istate &= ~IRQS_PENDING;
irq_compat_set_progress(desc);
irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS);
raw_spin_unlock(&desc->lock);
@ -185,6 +183,5 @@ irqreturn_t handle_irq_event(struct irq_desc *desc)
raw_spin_lock(&desc->lock);
irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
irq_compat_clr_progress(desc);
return ret;
}

10
kernel/irq/internals.h
View File

@ -15,10 +15,6 @@
#define istate core_internal_state__do_not_mess_with_it
#ifdef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
# define status status_use_accessors
#endif
extern int noirqdebug;
/*
@ -61,15 +57,11 @@ enum {
IRQS_SUSPENDED = 0x00000800,
};
#include "compat.h"
#include "debug.h"
#include "settings.h"
#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data)
/* Set default functions for irq_chip structures: */
extern void irq_chip_set_defaults(struct irq_chip *chip);
extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
unsigned long flags);
extern void __disable_irq(struct irq_desc *desc, unsigned int irq, bool susp);
@ -156,13 +148,11 @@ irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags)
static inline void irqd_set_move_pending(struct irq_data *d)
{
d->state_use_accessors |= IRQD_SETAFFINITY_PENDING;
irq_compat_set_move_pending(irq_data_to_desc(d));
}
static inline void irqd_clr_move_pending(struct irq_data *d)
{
d->state_use_accessors &= ~IRQD_SETAFFINITY_PENDING;
irq_compat_clr_move_pending(irq_data_to_desc(d));
}
static inline void irqd_clear(struct irq_data *d, unsigned int mask)

10
kernel/irq/manage.c
View File

@ -166,7 +166,6 @@ int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
kref_get(&desc->affinity_notify->kref);
schedule_work(&desc->affinity_notify->work);
}
irq_compat_set_affinity(desc);
irqd_set(data, IRQD_AFFINITY_SET);
return ret;
@ -297,10 +296,8 @@ setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask)
if (cpumask_intersects(desc->irq_data.affinity,
cpu_online_mask))
set = desc->irq_data.affinity;
else {
irq_compat_clr_affinity(desc);
else
irqd_clear(&desc->irq_data, IRQD_AFFINITY_SET);
}
}
cpumask_and(mask, cpu_online_mask, set);
@ -587,8 +584,6 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
irqd_set(&desc->irq_data, IRQD_LEVEL);
}
if (chip != desc->irq_data.chip)
irq_chip_set_defaults(desc->irq_data.chip);
ret = 0;
break;
default:
@ -785,7 +780,6 @@ static int irq_thread(void *data)
* but AFAICT IRQS_PENDING should be fine as it
* retriggers the interrupt itself --- tglx
*/
irq_compat_set_pending(desc);
desc->istate |= IRQS_PENDING;
raw_spin_unlock_irq(&desc->lock);
} else {
@ -981,8 +975,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
new->thread_mask = 1 << ffz(thread_mask);
if (!shared) {
irq_chip_set_defaults(desc->irq_data.chip);
init_waitqueue_head(&desc->wait_for_threads);
/* Setup the type (level, edge polarity) if configured: */

1
kernel/irq/resend.c
View File

@ -65,7 +65,6 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
if (desc->istate & IRQS_REPLAY)
return;
if (desc->istate & IRQS_PENDING) {
irq_compat_clr_pending(desc);
desc->istate &= ~IRQS_PENDING;
desc->istate |= IRQS_REPLAY;

55
kernel/irq/settings.h
View File

@ -15,17 +15,8 @@ enum {
_IRQF_MODIFY_MASK = IRQF_MODIFY_MASK,
};
#define IRQ_INPROGRESS GOT_YOU_MORON
#define IRQ_REPLAY GOT_YOU_MORON
#define IRQ_WAITING GOT_YOU_MORON
#define IRQ_DISABLED GOT_YOU_MORON
#define IRQ_PENDING GOT_YOU_MORON
#define IRQ_MASKED GOT_YOU_MORON
#define IRQ_WAKEUP GOT_YOU_MORON
#define IRQ_MOVE_PENDING GOT_YOU_MORON
#define IRQ_PER_CPU GOT_YOU_MORON
#define IRQ_NO_BALANCING GOT_YOU_MORON
#define IRQ_AFFINITY_SET GOT_YOU_MORON
#define IRQ_LEVEL GOT_YOU_MORON
#define IRQ_NOPROBE GOT_YOU_MORON
#define IRQ_NOREQUEST GOT_YOU_MORON
@ -37,102 +28,98 @@ enum {
static inline void
irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
{
desc->status &= ~(clr & _IRQF_MODIFY_MASK);
desc->status |= (set & _IRQF_MODIFY_MASK);
desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
}
static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
{
return desc->status & _IRQ_PER_CPU;
return desc->status_use_accessors & _IRQ_PER_CPU;
}
static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
{
desc->status |= _IRQ_PER_CPU;
desc->status_use_accessors |= _IRQ_PER_CPU;
}
static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
{
desc->status |= _IRQ_NO_BALANCING;
desc->status_use_accessors |= _IRQ_NO_BALANCING;
}
static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
{
return desc->status & _IRQ_NO_BALANCING;
return desc->status_use_accessors & _IRQ_NO_BALANCING;
}
static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
{
return desc->status & IRQ_TYPE_SENSE_MASK;
return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
}
static inline void
irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
{
desc->status &= ~IRQ_TYPE_SENSE_MASK;
desc->status |= mask & IRQ_TYPE_SENSE_MASK;
desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
}
static inline bool irq_settings_is_level(struct irq_desc *desc)
{
return desc->status & _IRQ_LEVEL;
return desc->status_use_accessors & _IRQ_LEVEL;
}
static inline void irq_settings_clr_level(struct irq_desc *desc)
{
desc->status &= ~_IRQ_LEVEL;
desc->status_use_accessors &= ~_IRQ_LEVEL;
}
static inline void irq_settings_set_level(struct irq_desc *desc)
{
desc->status |= _IRQ_LEVEL;
desc->status_use_accessors |= _IRQ_LEVEL;
}
static inline bool irq_settings_can_request(struct irq_desc *desc)
{
return !(desc->status & _IRQ_NOREQUEST);
return !(desc->status_use_accessors & _IRQ_NOREQUEST);
}
static inline void irq_settings_clr_norequest(struct irq_desc *desc)
{
desc->status &= ~_IRQ_NOREQUEST;
desc->status_use_accessors &= ~_IRQ_NOREQUEST;
}
static inline void irq_settings_set_norequest(struct irq_desc *desc)
{
desc->status |= _IRQ_NOREQUEST;
desc->status_use_accessors |= _IRQ_NOREQUEST;
}
static inline bool irq_settings_can_probe(struct irq_desc *desc)
{
return !(desc->status & _IRQ_NOPROBE);
return !(desc->status_use_accessors & _IRQ_NOPROBE);
}
static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
{
desc->status &= ~_IRQ_NOPROBE;
desc->status_use_accessors &= ~_IRQ_NOPROBE;
}
static inline void irq_settings_set_noprobe(struct irq_desc *desc)
{
desc->status |= _IRQ_NOPROBE;
desc->status_use_accessors |= _IRQ_NOPROBE;
}
static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
{
return desc->status & _IRQ_MOVE_PCNTXT;
return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
}
static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
{
return !(desc->status & _IRQ_NOAUTOEN);
return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
}
static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
{
return desc->status & _IRQ_NESTED_THREAD;
return desc->status_use_accessors & _IRQ_NESTED_THREAD;
}
/* Nothing should touch desc->status from now on */
#undef status
#define status USE_THE_PROPER_WRAPPERS_YOU_MORON

1
kernel/irq/spurious.c
View File

@ -93,7 +93,6 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force)
* Already running: If it is shared get the other
* CPU to go looking for our mystery interrupt too
*/
irq_compat_set_pending(desc);
desc->istate |= IRQS_PENDING;
goto out;
}