diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/Kconfig | 4 | ||||
| -rw-r--r-- | kernel/irq/autoprobe.c | 4 | ||||
| -rw-r--r-- | kernel/irq/chip.c | 129 | ||||
| -rw-r--r-- | kernel/irq/compat.h | 72 | ||||
| -rw-r--r-- | kernel/irq/debug.h | 2 | ||||
| -rw-r--r-- | kernel/irq/dummychip.c | 9 | ||||
| -rw-r--r-- | kernel/irq/handle.c | 3 | ||||
| -rw-r--r-- | kernel/irq/internals.h | 10 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 10 | ||||
| -rw-r--r-- | kernel/irq/resend.c | 1 | ||||
| -rw-r--r-- | kernel/irq/settings.h | 55 | ||||
| -rw-r--r-- | kernel/irq/spurious.c | 1 |
12 files changed, 24 insertions, 276 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 72606ba..a69c333 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -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 diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index 394784c..342d8f4 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -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); } diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 03099d5..616ec1c 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -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; diff --git a/kernel/irq/compat.h b/kernel/irq/compat.h deleted file mode 100644 index 6bbaf66..0000000 --- a/kernel/irq/compat.h +++ /dev/null @@ -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 - diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h index a0bd875..306cba3 100644 --- a/kernel/irq/debug.h +++ b/kernel/irq/debug.h @@ -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) diff --git a/kernel/irq/dummychip.c b/kernel/irq/dummychip.c index 20dc547..b5fcd96 100644 --- a/kernel/irq/dummychip.c +++ b/kernel/irq/dummychip.c @@ -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 }; diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 1a2fb77..90cb55f 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -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; } diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 6b8b971..6546431 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -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) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index b3bf54f..12a80fd 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -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: */ diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index ad683a9..14dd576 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -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; diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h index 0227ad3..0d91730 100644 --- a/kernel/irq/settings.h +++ b/kernel/irq/settings.h @@ -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 diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 83f4799..dfbd550 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -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; } |
