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

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Date:	Wed, 15 Jun 2016 22:50:45 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Paolo Abeni <pabeni@...hat.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/5] genirq: implement support for runtime switch to
 threaded irqs

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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