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Date:   Thu, 28 Sep 2023 03:45:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yash Shah <yash.shah@...ive.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Marc Zyngier <maz@...nel.org>
Subject: kernel/irq/irqdomain.c:997: warning: Function parameter or member
 'd' not described in 'irq_domain_translate_onecell'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7
commit: b01ecceaf2c0c4b3f2d24aa0adcf096ab1648253 genirq: Introduce irq_domain_translate_onecell
date:   3 years, 8 months ago
config: csky-allnoconfig (https://download.01.org/0day-ci/archive/20230928/202309280333.zqeI0H4x-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230928/202309280333.zqeI0H4x-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309280333.zqeI0H4x-lkp@intel.com/

All warnings (new ones prefixed by >>):

   kernel/irq/irqdomain.c:105: warning: Function parameter or member 'fwnode' not described in 'irq_domain_free_fwnode'
   kernel/irq/irqdomain.c:930: warning: Function parameter or member 'd' not described in 'irq_domain_xlate_onecell'
   kernel/irq/irqdomain.c:930: warning: Function parameter or member 'ctrlr' not described in 'irq_domain_xlate_onecell'
   kernel/irq/irqdomain.c:930: warning: Function parameter or member 'intspec' not described in 'irq_domain_xlate_onecell'
   kernel/irq/irqdomain.c:930: warning: Function parameter or member 'intsize' not described in 'irq_domain_xlate_onecell'
   kernel/irq/irqdomain.c:930: warning: Function parameter or member 'out_hwirq' not described in 'irq_domain_xlate_onecell'
   kernel/irq/irqdomain.c:930: warning: Function parameter or member 'out_type' not described in 'irq_domain_xlate_onecell'
   kernel/irq/irqdomain.c:949: warning: Function parameter or member 'd' not described in 'irq_domain_xlate_twocell'
   kernel/irq/irqdomain.c:949: warning: Function parameter or member 'ctrlr' not described in 'irq_domain_xlate_twocell'
   kernel/irq/irqdomain.c:949: warning: Function parameter or member 'intspec' not described in 'irq_domain_xlate_twocell'
   kernel/irq/irqdomain.c:949: warning: Function parameter or member 'intsize' not described in 'irq_domain_xlate_twocell'
   kernel/irq/irqdomain.c:949: warning: Function parameter or member 'out_hwirq' not described in 'irq_domain_xlate_twocell'
   kernel/irq/irqdomain.c:949: warning: Function parameter or member 'out_type' not described in 'irq_domain_xlate_twocell'
   kernel/irq/irqdomain.c:972: warning: Function parameter or member 'd' not described in 'irq_domain_xlate_onetwocell'
   kernel/irq/irqdomain.c:972: warning: Function parameter or member 'ctrlr' not described in 'irq_domain_xlate_onetwocell'
   kernel/irq/irqdomain.c:972: warning: Function parameter or member 'intspec' not described in 'irq_domain_xlate_onetwocell'
   kernel/irq/irqdomain.c:972: warning: Function parameter or member 'intsize' not described in 'irq_domain_xlate_onetwocell'
   kernel/irq/irqdomain.c:972: warning: Function parameter or member 'out_hwirq' not described in 'irq_domain_xlate_onetwocell'
   kernel/irq/irqdomain.c:972: warning: Function parameter or member 'out_type' not described in 'irq_domain_xlate_onetwocell'
>> kernel/irq/irqdomain.c:997: warning: Function parameter or member 'd' not described in 'irq_domain_translate_onecell'
>> kernel/irq/irqdomain.c:997: warning: Function parameter or member 'fwspec' not described in 'irq_domain_translate_onecell'
>> kernel/irq/irqdomain.c:997: warning: Function parameter or member 'out_hwirq' not described in 'irq_domain_translate_onecell'
>> kernel/irq/irqdomain.c:997: warning: Function parameter or member 'out_type' not described in 'irq_domain_translate_onecell'
   kernel/irq/irqdomain.c:1018: warning: Function parameter or member 'd' not described in 'irq_domain_translate_twocell'
   kernel/irq/irqdomain.c:1018: warning: Function parameter or member 'fwspec' not described in 'irq_domain_translate_twocell'
   kernel/irq/irqdomain.c:1018: warning: Function parameter or member 'out_hwirq' not described in 'irq_domain_translate_twocell'
   kernel/irq/irqdomain.c:1018: warning: Function parameter or member 'out_type' not described in 'irq_domain_translate_twocell'
   kernel/irq/irqdomain.c:1597: warning: Function parameter or member 'domain' not described in 'irq_domain_alloc_irqs_parent'
   kernel/irq/irqdomain.c:1616: warning: Function parameter or member 'domain' not described in 'irq_domain_free_irqs_parent'


vim +997 kernel/irq/irqdomain.c

   938	
   939	/**
   940	 * irq_domain_xlate_twocell() - Generic xlate for direct two cell bindings
   941	 *
   942	 * Device Tree IRQ specifier translation function which works with two cell
   943	 * bindings where the cell values map directly to the hwirq number
   944	 * and linux irq flags.
   945	 */
   946	int irq_domain_xlate_twocell(struct irq_domain *d, struct device_node *ctrlr,
   947				const u32 *intspec, unsigned int intsize,
   948				irq_hw_number_t *out_hwirq, unsigned int *out_type)
 > 949	{
   950		struct irq_fwspec fwspec;
   951	
   952		of_phandle_args_to_fwspec(ctrlr, intspec, intsize, &fwspec);
   953		return irq_domain_translate_twocell(d, &fwspec, out_hwirq, out_type);
   954	}
   955	EXPORT_SYMBOL_GPL(irq_domain_xlate_twocell);
   956	
   957	/**
   958	 * irq_domain_xlate_onetwocell() - Generic xlate for one or two cell bindings
   959	 *
   960	 * Device Tree IRQ specifier translation function which works with either one
   961	 * or two cell bindings where the cell values map directly to the hwirq number
   962	 * and linux irq flags.
   963	 *
   964	 * Note: don't use this function unless your interrupt controller explicitly
   965	 * supports both one and two cell bindings.  For the majority of controllers
   966	 * the _onecell() or _twocell() variants above should be used.
   967	 */
   968	int irq_domain_xlate_onetwocell(struct irq_domain *d,
   969					struct device_node *ctrlr,
   970					const u32 *intspec, unsigned int intsize,
   971					unsigned long *out_hwirq, unsigned int *out_type)
 > 972	{
   973		if (WARN_ON(intsize < 1))
   974			return -EINVAL;
   975		*out_hwirq = intspec[0];
   976		if (intsize > 1)
   977			*out_type = intspec[1] & IRQ_TYPE_SENSE_MASK;
   978		else
   979			*out_type = IRQ_TYPE_NONE;
   980		return 0;
   981	}
   982	EXPORT_SYMBOL_GPL(irq_domain_xlate_onetwocell);
   983	
   984	const struct irq_domain_ops irq_domain_simple_ops = {
   985		.xlate = irq_domain_xlate_onetwocell,
   986	};
   987	EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
   988	
   989	/**
   990	 * irq_domain_translate_onecell() - Generic translate for direct one cell
   991	 * bindings
   992	 */
   993	int irq_domain_translate_onecell(struct irq_domain *d,
   994					 struct irq_fwspec *fwspec,
   995					 unsigned long *out_hwirq,
   996					 unsigned int *out_type)
 > 997	{
   998		if (WARN_ON(fwspec->param_count < 1))
   999			return -EINVAL;
  1000		*out_hwirq = fwspec->param[0];
  1001		*out_type = IRQ_TYPE_NONE;
  1002		return 0;
  1003	}
  1004	EXPORT_SYMBOL_GPL(irq_domain_translate_onecell);
  1005	

-- 
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https://github.com/intel/lkp-tests/wiki

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