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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-04 11:41:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-04 11:41:31 -0800 |
| commit | f74a127f667faa9691ed3c4d584134a7a21a8647 (patch) | |
| tree | 92db1e6e7dbc8daaabd8b43e08f62a884f37c2f7 /kernel/irq | |
| parent | 64b28683deba132f301d1cecfc25c32e295f53a1 (diff) | |
| parent | 1beaeacdc88b537703d04d5536235d0bbb36db93 (diff) | |
| download | op-kernel-dev-f74a127f667faa9691ed3c4d584134a7a21a8647.zip op-kernel-dev-f74a127f667faa9691ed3c4d584134a7a21a8647.tar.gz | |
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two small changes:
- a fix for a interrupt regression caused by the vector management
changes in 4.15 affecting museum pieces which rely on interrupt
probing for legacy (e.g. parallel port) devices.
One of the startup calls in the autoprobe code was not changed to
the new activate_and_startup() function resulting in a warning and
as a consequence failing to discover the device interrupt.
- a trivial update to the copyright/license header of the STM32 irq
chip driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Make legacy autoprobing work again
irqchip/stm32: Fix copyright
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/autoprobe.c | 2 | ||||
| -rw-r--r-- | kernel/irq/chip.c | 6 | ||||
| -rw-r--r-- | kernel/irq/internals.h | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index 4e8089b..8c82ea2 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -71,7 +71,7 @@ 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_NORESEND, IRQ_START_FORCE)) + if (irq_activate_and_startup(desc, IRQ_NORESEND)) desc->istate |= IRQS_PENDING; } raw_spin_unlock_irq(&desc->lock); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 043bfc3..c69357a 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -294,11 +294,11 @@ int irq_activate(struct irq_desc *desc) return 0; } -void irq_activate_and_startup(struct irq_desc *desc, bool resend) +int irq_activate_and_startup(struct irq_desc *desc, bool resend) { if (WARN_ON(irq_activate(desc))) - return; - irq_startup(desc, resend, IRQ_START_FORCE); + return 0; + return irq_startup(desc, resend, IRQ_START_FORCE); } static void __irq_disable(struct irq_desc *desc, bool mask); diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index ab19371..ca6afa2 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -76,7 +76,7 @@ extern void __enable_irq(struct irq_desc *desc); #define IRQ_START_COND false extern int irq_activate(struct irq_desc *desc); -extern void irq_activate_and_startup(struct irq_desc *desc, bool resend); +extern int irq_activate_and_startup(struct irq_desc *desc, bool resend); extern int irq_startup(struct irq_desc *desc, bool resend, bool force); extern void irq_shutdown(struct irq_desc *desc); |
