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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-09-27 12:44:44 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-10-04 12:43:37 +0200 |
| commit | 0eda58b7f3a30c9a13d83db1cfaab00e1c452055 (patch) | |
| tree | 6e6efb689188f20271d8dd290008652d3c3defd8 /kernel | |
| parent | e2c0f8ff0fc26959952fbfa89f732fef928df77f (diff) | |
| download | linux-0eda58b7f3a30c9a13d83db1cfaab00e1c452055.tar.gz linux-0eda58b7f3a30c9a13d83db1cfaab00e1c452055.tar.bz2 linux-0eda58b7f3a30c9a13d83db1cfaab00e1c452055.zip | |
genirq: Provide compat handling for chip->unmask()
Wrap the old chip function unmask() 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: <20100927121842.043608928@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/chip.c | 20 | ||||
| -rw-r--r-- | kernel/irq/handle.c | 1 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 2 | ||||
| -rw-r--r-- | kernel/irq/migration.c | 2 |
4 files changed, 16 insertions, 9 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index c041270bfe50..dbdb59a42093 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -291,7 +291,7 @@ static void default_enable(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); - desc->irq_data.chip->unmask(irq); + desc->irq_data.chip->irq_unmask(&desc->irq_data); desc->status &= ~IRQ_MASKED; } @@ -330,6 +330,11 @@ 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_bus_lock(struct irq_data *data) { data->chip->bus_lock(data->irq); @@ -370,6 +375,9 @@ void irq_chip_set_defaults(struct irq_chip *chip) if (chip->mask) chip->irq_mask = compat_irq_mask; + + if (chip->unmask) + chip->irq_unmask = compat_irq_unmask; } static inline void mask_ack_irq(struct irq_desc *desc, int irq) @@ -392,10 +400,10 @@ static inline void mask_irq(struct irq_desc *desc) } } -static inline void unmask_irq(struct irq_desc *desc, int irq) +static inline void unmask_irq(struct irq_desc *desc) { - if (desc->irq_data.chip->unmask) { - desc->irq_data.chip->unmask(irq); + if (desc->irq_data.chip->irq_unmask) { + desc->irq_data.chip->irq_unmask(&desc->irq_data); desc->status &= ~IRQ_MASKED; } } @@ -524,7 +532,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) desc->status &= ~IRQ_INPROGRESS; if (!(desc->status & (IRQ_DISABLED | IRQ_ONESHOT))) - unmask_irq(desc, irq); + unmask_irq(desc); out_unlock: raw_spin_unlock(&desc->lock); } @@ -641,7 +649,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) if (unlikely((desc->status & (IRQ_PENDING | IRQ_MASKED | IRQ_DISABLED)) == (IRQ_PENDING | IRQ_MASKED))) { - unmask_irq(desc, irq); + unmask_irq(desc); } desc->status &= ~IRQ_PENDING; diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 3b160ac236b0..f334c8c59dd2 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -360,7 +360,6 @@ struct irq_chip dummy_irq_chip = { .enable = compat_noop, .disable = compat_noop, .ack = compat_noop, - .unmask = compat_noop, .end = compat_noop, }; diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index dfb02ff7d2ef..b3986bce64ff 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -528,7 +528,7 @@ again: if (!(desc->status & IRQ_DISABLED) && (desc->status & IRQ_MASKED)) { desc->status &= ~IRQ_MASKED; - desc->irq_data.chip->unmask(irq); + desc->irq_data.chip->irq_unmask(&desc->irq_data); } raw_spin_unlock_irq(&desc->lock); chip_bus_sync_unlock(desc); diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index b165ec26b757..7888e5d5575a 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -63,6 +63,6 @@ void move_native_irq(int irq) desc->irq_data.chip->irq_mask(&desc->irq_data); move_masked_irq(irq); - desc->irq_data.chip->unmask(irq); + desc->irq_data.chip->irq_unmask(&desc->irq_data); } |