tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 94c9d29e871d7af205d35228eec92d863bbb7444 commit: c92533ad657c0a5d1a7a6355ef2c357cbb91d5c0 [3345/3345] drivers: initial support for KPU FLEXFLOW-2100P driver from Yusur Technology config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20251205/202512050401.bWD2A9JO-lkp@i...) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project b3428bb966f1de8aa48375ffee0eba04ede133b7) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251205/202512050401.bWD2A9JO-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512050401.bWD2A9JO-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from <built-in>:2: In file included from include/linux/compiler_types.h:69: include/linux/compiler-clang.h:34:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined] 34 | #define __SANITIZE_ADDRESS__ | ^ <built-in>:353:9: note: previous definition is here 353 | #define __SANITIZE_ADDRESS__ 1 | ^

...

drivers/net/ethernet/yusur/k2/../platform/ys_intr.c:113:40: warning: non-overlapping comparisons always evaluate to false [-Wtautological-overlap-compare] 113 | if (sub->irq_type < YS_IRQ_TYPE_QUEUE && | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ 114 | sub->irq_type > YS_IRQ_TYPE_HW_PRIVATE) { | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated.

vim +113 drivers/net/ethernet/yusur/k2/../platform/ys_intr.c 94 95 static int ys_request_irq(struct ys_pdev_priv *pdev_priv, int index, 96 struct ys_irq_sub *sub) 97 { 98 struct ys_irq_table *irq_table = &pdev_priv->irq_table; 99 struct ys_irq *irq; 100 int ret; 101 102 if (index >= irq_table->max) 103 return -EINVAL; 104 105 if (IS_ERR_OR_NULL(sub)) 106 return -EINVAL; 107 108 if (IS_ERR_OR_NULL(irq_table->irqs)) { 109 ys_dev_err("Missing irq table irqs"); 110 return -EINVAL; 111 } 112

113 if (sub->irq_type < YS_IRQ_TYPE_QUEUE && 114 sub->irq_type > YS_IRQ_TYPE_HW_PRIVATE) { 115 ys_dev_err("Invalid sub irq type: %d", sub->irq_type); 116 return -EINVAL; 117 } 118 119 if (IS_ERR_OR_NULL(sub->handler)) { 120 ys_dev_err("Missing irq handler"); 121 return -EINVAL; 122 } 123 124 mutex_lock(&irq_table->lock); 125 126 irq = &irq_table->irqs[index]; 127 if (irq->state != YS_IRQ_STATE_UNREGISTERED) { 128 mutex_unlock(&irq_table->lock); 129 ys_dev_err("Irq %d(%d) has already been registered", 130 index, irq->state); 131 return -EINVAL; 132 } 133 134 irq->sub = *sub; 135 if (irq->sub.bh_type == YS_IRQ_BH_WORK) { 136 if (IS_ERR_OR_NULL(irq->sub.bh.work_handler)) { 137 memset(&irq->sub, 0, sizeof(struct ys_irq_sub)); 138 mutex_unlock(&irq_table->lock); 139 ys_dev_err("Irq %d(%d) missing work_handler", 140 index, irq->sub.bh_type); 141 return -EINVAL; 142 } 143 INIT_WORK(&irq->sub.bh.work, irq->sub.bh.work_handler); 144 } 145 146 if (irq->sub.devname) 147 ret = pci_request_irq(pdev_priv->pdev, 148 irq->index, 149 irq->sub.handler, 150 irq->sub.bh.thread_fn, 151 irq, irq->sub.devname); 152 else 153 ret = pci_request_irq(pdev_priv->pdev, 154 irq->index, 155 irq->sub.handler, 156 irq->sub.bh.thread_fn, 157 irq, "%s-%d-bdf:%d%d%d", 158 pdev_priv->nic_type->func_name, index, 159 pdev_priv->pdev->bus->number, 160 PCI_SLOT(pdev_priv->pdev->devfn), 161 PCI_FUNC(pdev_priv->pdev->devfn)); 162 163 if (ret < 0) { 164 memset(&irq->sub, 0, sizeof(struct ys_irq_sub)); 165 mutex_unlock(&irq_table->lock); 166 ys_dev_err("Failed to request irq index %d virq %d", index, 167 irq->irqn); 168 return ret; 169 } 170 171 irq->state = YS_IRQ_STATE_REGISTERED; 172 irq_table->used++; 173 174 mutex_unlock(&irq_table->lock); 175 176 ys_debug("Request irq %d vector %d", index, irq->irqn); 177 178 return 0; 179 } 180

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