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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-08-22 10:34:13 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-08-22 10:34:13 +0200 |
| commit | d16c995fe43021c765186bf8b9f7e1cc4b043232 (patch) | |
| tree | 67eed481534bc6c7102110e65ab4c6ee9e0b786a /kernel/irq/chip.c | |
| parent | f3b0946d629c8bfbd3e5f038e30cb9c711a35f10 (diff) | |
| parent | 7611da865c1060b2a7c87a15de663a59035747f8 (diff) | |
| download | linux-d16c995fe43021c765186bf8b9f7e1cc4b043232.tar.gz linux-d16c995fe43021c765186bf8b9f7e1cc4b043232.tar.bz2 linux-d16c995fe43021c765186bf8b9f7e1cc4b043232.zip | |
Merge tag 'irqchip-for-4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull genirq/irqchip fixes for 4.8-rc4 from Marc Zygnier
- A critical fix for chained irqchip where we failed to configure
the cascade interrupt trigger
- A GIC fix for self-IPI in SMP-on-UP configurations
- A PM fix for GICv3
- A initialization fix the the GICv3 ITS, triggered by kexec
Diffstat (limited to 'kernel/irq/chip.c')
| -rw-r--r-- | kernel/irq/chip.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index b4c1bc7c9ca2..637389088b3f 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -820,6 +820,17 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle, desc->name = name; if (handle != handle_bad_irq && is_chained) { + /* + * We're about to start this interrupt immediately, + * hence the need to set the trigger configuration. + * But the .set_type callback may have overridden the + * flow handler, ignoring that we're dealing with a + * chained interrupt. Reset it immediately because we + * do know better. + */ + __irq_set_trigger(desc, irqd_get_trigger_type(&desc->irq_data)); + desc->handle_irq = handle; + irq_settings_set_noprobe(desc); irq_settings_set_norequest(desc); irq_settings_set_nothread(desc); |