Re: [PATCH 1/5] genirq: implement support for runtime switch to threaded irqs

From: kbuild test robot
Date: Wed Jun 15 2016 - 10:51:38 EST


Hi,

[auto build test WARNING on tip/irq/core]
[also build test WARNING on v4.7-rc3 next-20160615]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Paolo-Abeni/genirq-threadable-IRQ-support/20160615-214836
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

>> kernel/irq/manage.c:1681: warning: No description found for parameter 'notifier'
>> kernel/irq/manage.c:1681: warning: Excess function parameter 'mode_notifier' description in 'irq_set_mode_notifier'
kernel/irq/handle.c:1: warning: no structured comments found
--
lib/crc32.c:148: warning: No description found for parameter 'tab)[256]'
lib/crc32.c:148: warning: Excess function parameter 'tab' description in 'crc32_le_generic'
lib/crc32.c:293: warning: No description found for parameter 'tab)[256]'
lib/crc32.c:293: warning: Excess function parameter 'tab' description in 'crc32_be_generic'
lib/crc32.c:1: warning: no structured comments found
mm/memory.c:2881: warning: No description found for parameter 'old'
>> kernel/irq/manage.c:1681: warning: No description found for parameter 'notifier'
>> kernel/irq/manage.c:1681: warning: Excess function parameter 'mode_notifier' description in 'irq_set_mode_notifier'

vim +/notifier +1681 kernel/irq/manage.c

1665 /**
1666 * irq_set_mode_notifier - register a mode change notifier
1667 * @irq: Interrupt line
1668 * @dev_id: The cookie used to identify the irq handler and passed back
1669 * to the notifier
1670 * @mode_notifier: The callback to be registered
1671 *
1672 * This call registers a callback to notify the device about irq mode
1673 * change (threaded/normal mode). Mode change are triggered writing on
1674 * the 'threaded' procfs entry.
1675 * When running in threaded mode the irq thread task struct will be passed
1676 * to the notifer, or NULL elsewhere. It's up to the device update its
1677 * internal state accordingly
1678 */
1679 int irq_set_mode_notifier(unsigned int irq, void *dev_id,
1680 mode_notifier_t notifier)
> 1681 {
1682 struct irq_desc *desc = irq_to_desc(irq);
1683 struct irqaction *action;
1684 unsigned long flags;
1685 int ret = -EINVAL;
1686
1687 if (!desc)
1688 return ret;
1689

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