diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/manage.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 89a3ea82569b..b9d1d83ec381 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -890,22 +890,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) return -ENOSYS; if (!try_module_get(desc->owner)) return -ENODEV; - /* - * Some drivers like serial.c use request_irq() heavily, - * so we have to be careful not to interfere with a - * running system. - */ - if (new->flags & IRQF_SAMPLE_RANDOM) { - /* - * This function might sleep, we want to call it first, - * outside of the atomic block. - * Yes, this might clear the entropy pool if the wrong - * driver is attempted to be loaded, without actually - * installing a new handler, but is this really a problem, - * only the sysadmin is able to do this. - */ - rand_initialize_irq(irq); - } /* * Check whether the interrupt nests into another interrupt @@ -1339,7 +1323,6 @@ EXPORT_SYMBOL(free_irq); * Flags: * * IRQF_SHARED Interrupt is shared - * IRQF_SAMPLE_RANDOM The interrupt can be used for entropy * IRQF_TRIGGER_* Specify active edge(s) or level * */ |