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authorThomas Gleixner <tglx@linutronix.de>2010-09-27 08:45:38 -0400
committerThomas Gleixner <tglx@linutronix.de>2010-10-04 06:43:44 -0400
commit37e12df709f09eac17314d79a52190ac46746e33 (patch)
tree78159578101faddef22c5b13ccc200542cb3d2b6 /kernel/irq
parentbc310dda41be6439364c8f3b9fe7c9d743d22b1c (diff)
genirq: Provide compat handling for chip->startup()
Wrap the old chip function startup() until the migration is complete and the old chip functions are removed. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <20100927121842.635152961@linutronix.de> Reviewed-by: H. Peter Anvin <hpa@zytor.com> Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/autoprobe.c4
-rw-r--r--kernel/irq/chip.c19
-rw-r--r--kernel/irq/handle.c7
-rw-r--r--kernel/irq/manage.c2
4 files changed, 16 insertions, 16 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 95806a45be78..7a468254e533 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -59,7 +59,7 @@ unsigned long probe_irq_on(void)
59 */ 59 */
60 if (desc->irq_data.chip->set_type) 60 if (desc->irq_data.chip->set_type)
61 desc->irq_data.chip->set_type(i, IRQ_TYPE_PROBE); 61 desc->irq_data.chip->set_type(i, IRQ_TYPE_PROBE);
62 desc->irq_data.chip->startup(i); 62 desc->irq_data.chip->irq_startup(&desc->irq_data);
63 } 63 }
64 raw_spin_unlock_irq(&desc->lock); 64 raw_spin_unlock_irq(&desc->lock);
65 } 65 }
@@ -76,7 +76,7 @@ unsigned long probe_irq_on(void)
76 raw_spin_lock_irq(&desc->lock); 76 raw_spin_lock_irq(&desc->lock);
77 if (!desc->action && !(desc->status & IRQ_NOPROBE)) { 77 if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
78 desc->status |= IRQ_AUTODETECT | IRQ_WAITING; 78 desc->status |= IRQ_AUTODETECT | IRQ_WAITING;
79 if (desc->irq_data.chip->startup(i)) 79 if (desc->irq_data.chip->irq_startup(&desc->irq_data))
80 desc->status |= IRQ_PENDING; 80 desc->status |= IRQ_PENDING;
81 } 81 }
82 raw_spin_unlock_irq(&desc->lock); 82 raw_spin_unlock_irq(&desc->lock);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index b8a47f0a26cc..cce85f0734b0 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -305,11 +305,11 @@ static void default_disable(struct irq_data *data)
305/* 305/*
306 * default startup function 306 * default startup function
307 */ 307 */
308static unsigned int default_startup(unsigned int irq) 308static unsigned int default_startup(struct irq_data *data)
309{ 309{
310 struct irq_desc *desc = irq_to_desc(irq); 310 struct irq_desc *desc = irq_data_to_desc(data);
311 311
312 desc->irq_data.chip->irq_enable(&desc->irq_data); 312 desc->irq_data.chip->irq_enable(data);
313 return 0; 313 return 0;
314} 314}
315 315
@@ -365,6 +365,11 @@ static void compat_irq_shutdown(struct irq_data *data)
365 data->chip->shutdown(data->irq); 365 data->chip->shutdown(data->irq);
366} 366}
367 367
368static unsigned int compat_irq_startup(struct irq_data *data)
369{
370 return data->chip->startup(data->irq);
371}
372
368static void compat_bus_lock(struct irq_data *data) 373static void compat_bus_lock(struct irq_data *data)
369{ 374{
370 data->chip->bus_lock(data->irq); 375 data->chip->bus_lock(data->irq);
@@ -390,6 +395,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
390 chip->irq_disable = compat_irq_disable; 395 chip->irq_disable = compat_irq_disable;
391 if (chip->shutdown) 396 if (chip->shutdown)
392 chip->irq_shutdown = compat_irq_shutdown; 397 chip->irq_shutdown = compat_irq_shutdown;
398 if (chip->startup)
399 chip->irq_startup = compat_irq_startup;
393 400
394 /* 401 /*
395 * The real defaults 402 * The real defaults
@@ -398,8 +405,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
398 chip->irq_enable = default_enable; 405 chip->irq_enable = default_enable;
399 if (!chip->irq_disable) 406 if (!chip->irq_disable)
400 chip->irq_disable = default_disable; 407 chip->irq_disable = default_disable;
401 if (!chip->startup) 408 if (!chip->irq_startup)
402 chip->startup = default_startup; 409 chip->irq_startup = default_startup;
403 /* 410 /*
404 * We use chip->irq_disable, when the user provided its own. When 411 * We use chip->irq_disable, when the user provided its own. When
405 * we have default_disable set for chip->irq_disable, then we need 412 * we have default_disable set for chip->irq_disable, then we need
@@ -786,7 +793,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
786 desc->status &= ~IRQ_DISABLED; 793 desc->status &= ~IRQ_DISABLED;
787 desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE; 794 desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE;
788 desc->depth = 0; 795 desc->depth = 0;
789 desc->irq_data.chip->startup(irq); 796 desc->irq_data.chip->irq_startup(&desc->irq_data);
790 } 797 }
791 raw_spin_unlock_irqrestore(&desc->lock, flags); 798 raw_spin_unlock_irqrestore(&desc->lock, flags);
792 chip_bus_sync_unlock(desc); 799 chip_bus_sync_unlock(desc);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 60e25c46eb55..8d0697f892a2 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -311,11 +311,6 @@ static unsigned int noop_ret(struct irq_data *data)
311 311
312static void compat_noop(unsigned int irq) { } 312static void compat_noop(unsigned int irq) { }
313 313
314static unsigned int compat_noop_ret(unsigned int irq)
315{
316 return 0;
317}
318
319/* 314/*
320 * Generic no controller implementation 315 * Generic no controller implementation
321 */ 316 */
@@ -326,7 +321,6 @@ struct irq_chip no_irq_chip = {
326 .irq_enable = noop, 321 .irq_enable = noop,
327 .irq_disable = noop, 322 .irq_disable = noop,
328 .irq_ack = ack_bad, 323 .irq_ack = ack_bad,
329 .startup = compat_noop_ret,
330 .end = compat_noop, 324 .end = compat_noop,
331}; 325};
332 326
@@ -343,7 +337,6 @@ struct irq_chip dummy_irq_chip = {
343 .irq_ack = noop, 337 .irq_ack = noop,
344 .irq_mask = noop, 338 .irq_mask = noop,
345 .irq_unmask = noop, 339 .irq_unmask = noop,
346 .startup = compat_noop_ret,
347 .end = compat_noop, 340 .end = compat_noop,
348}; 341};
349 342
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index f3f36f6af9a1..31d7678e0269 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -779,7 +779,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
779 if (!(desc->status & IRQ_NOAUTOEN)) { 779 if (!(desc->status & IRQ_NOAUTOEN)) {
780 desc->depth = 0; 780 desc->depth = 0;
781 desc->status &= ~IRQ_DISABLED; 781 desc->status &= ~IRQ_DISABLED;
782 desc->irq_data.chip->startup(irq); 782 desc->irq_data.chip->irq_startup(&desc->irq_data);
783 } else 783 } else
784 /* Undo nested disables: */ 784 /* Undo nested disables: */
785 desc->depth = 1; 785 desc->depth = 1;