Messages in this thread | | | Date | Thu, 25 Nov 2021 09:24:25 +0800 | From | kernel test robot <> | Subject | [chenxing:msc313_mainlining 68/69] drivers/irqchip/irq-msc313-pm-wakeup.c:132:9: warning: ignoring return value of 'request_irq' declared with attribute 'warn_unused_result' |
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tree: git://github.com/linux-chenxing/linux.git msc313_mainlining head: df6df62e60f3a32773b02a41e0d6a4e0f2b353b5 commit: 294ac78fcc3c89b63c48a5f85d4352de0a73b078 [68/69] irqchip: MStar wakeup intc config: nds32-randconfig-r015-20211121 (https://download.01.org/0day-ci/archive/20211125/202111250904.kvuzQUx7-lkp@intel.com/config) compiler: nds32le-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/linux-chenxing/linux/commit/294ac78fcc3c89b63c48a5f85d4352de0a73b078 git remote add chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags chenxing msc313_mainlining git checkout 294ac78fcc3c89b63c48a5f85d4352de0a73b078 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nds32
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/irqchip/irq-msc313-pm-wakeup.c: In function 'msc313_pm_wakeup_intc_of_init': >> drivers/irqchip/irq-msc313-pm-wakeup.c:132:9: warning: ignoring return value of 'request_irq' declared with attribute 'warn_unused_result' [-Wunused-result] 132 | request_irq(irq, msc313_pm_wakeup_intc_chainedhandler, IRQF_SHARED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 133 | "pmsleep", domain); | ~~~~~~~~~~~~~~~~~~
vim +132 drivers/irqchip/irq-msc313-pm-wakeup.c
97 98 static int __init msc313_pm_wakeup_intc_of_init(struct device_node *node, 99 struct device_node *parent) 100 { 101 int ret = 0, irq; 102 struct regmap *pmsleep; 103 struct msc313_sleep_intc *intc; 104 struct irq_domain *domain; 105 106 irq = of_irq_get(node, 0); 107 if (irq <= 0) 108 return irq; 109 110 pmsleep = syscon_regmap_lookup_by_phandle(node, "mstar,pmsleep"); 111 if (IS_ERR(pmsleep)) 112 return PTR_ERR(pmsleep); 113 114 intc = kzalloc(sizeof(*intc), GFP_KERNEL); 115 if (!intc) 116 return -ENOMEM; 117 118 intc->mask = regmap_field_alloc(pmsleep, field_mask); 119 intc->type = regmap_field_alloc(pmsleep, field_type); 120 intc->status = regmap_field_alloc(pmsleep, field_status); 121 122 /* The masks survive deep sleep so clear them. */ 123 regmap_field_write(intc->mask, ~0); 124 125 domain = irq_domain_add_linear(node, NUM_IRQ, 126 &msc313_pm_wakeup_intc_domain_ops, intc); 127 if (!domain) { 128 ret = -ENOMEM; 129 goto out_free; 130 } 131 > 132 request_irq(irq, msc313_pm_wakeup_intc_chainedhandler, IRQF_SHARED, 133 "pmsleep", domain); 134 135 return 0; 136 137 out_free: 138 kfree(intc); 139 return ret; 140 } 141
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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