Hi Keith, [auto build test ERROR on pci/next] [also build test ERROR on v4.8-rc6 next-20160913] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Keith-Busch/pciehp-Let-user-control-LED-status/20160913-231123 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: x86_64-randconfig-x010-201637 (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/pci/hotplug/pciehp_hpc.c: In function 'pciehp_get_raw_attention_status': >> drivers/pci/hotplug/pciehp_hpc.c:366:3: error: 'status' undeclared (first use in this function) *status = (slot_ctrl & (PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC)) >> 6; ^~~~~~ drivers/pci/hotplug/pciehp_hpc.c:366:3: note: each undeclared identifier is reported only once for each function it appears in drivers/pci/hotplug/pciehp_hpc.c: In function 'pciehp_set_raw_attention_status': >> drivers/pci/hotplug/pciehp_hpc.c:452:30: error: 'value' undeclared (first use in this function) pcie_write_cmd_nowait(ctrl, value << 6, ^~~~~ vim +/status +366 drivers/pci/hotplug/pciehp_hpc.c 360 { 361 struct slot *slot = hotplug_slot->private; 362 struct pci_dev *pdev = ctrl_dev(slot->ctrl); 363 u16 slot_ctrl; 364 365 pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl); > 366 *status = (slot_ctrl & (PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC)) >> 6; 367 return 0; 368 } 369 370 void pciehp_get_attention_status(struct slot *slot, u8 *status) 371 { 372 struct controller *ctrl = slot->ctrl; 373 struct pci_dev *pdev = ctrl_dev(ctrl); 374 u16 slot_ctrl; 375 376 pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl); 377 ctrl_dbg(ctrl, "%s: SLOTCTRL %x, value read %x\n", __func__, 378 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_ctrl); 379 380 switch (slot_ctrl & PCI_EXP_SLTCTL_AIC) { 381 case PCI_EXP_SLTCTL_ATTN_IND_ON: 382 *status = 1; /* On */ 383 break; 384 case PCI_EXP_SLTCTL_ATTN_IND_BLINK: 385 *status = 2; /* Blink */ 386 break; 387 case PCI_EXP_SLTCTL_ATTN_IND_OFF: 388 *status = 0; /* Off */ 389 break; 390 default: 391 *status = 0xFF; 392 break; 393 } 394 } 395 396 void pciehp_get_power_status(struct slot *slot, u8 *status) 397 { 398 struct controller *ctrl = slot->ctrl; 399 struct pci_dev *pdev = ctrl_dev(ctrl); 400 u16 slot_ctrl; 401 402 pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl); 403 ctrl_dbg(ctrl, "%s: SLOTCTRL %x value read %x\n", __func__, 404 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_ctrl); 405 406 switch (slot_ctrl & PCI_EXP_SLTCTL_PCC) { 407 case PCI_EXP_SLTCTL_PWR_ON: 408 *status = 1; /* On */ 409 break; 410 case PCI_EXP_SLTCTL_PWR_OFF: 411 *status = 0; /* Off */ 412 break; 413 default: 414 *status = 0xFF; 415 break; 416 } 417 } 418 419 void pciehp_get_latch_status(struct slot *slot, u8 *status) 420 { 421 struct pci_dev *pdev = ctrl_dev(slot->ctrl); 422 u16 slot_status; 423 424 pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &slot_status); 425 *status = !!(slot_status & PCI_EXP_SLTSTA_MRLSS); 426 } 427 428 void pciehp_get_adapter_status(struct slot *slot, u8 *status) 429 { 430 struct pci_dev *pdev = ctrl_dev(slot->ctrl); 431 u16 slot_status; 432 433 pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &slot_status); 434 *status = !!(slot_status & PCI_EXP_SLTSTA_PDS); 435 } 436 437 int pciehp_query_power_fault(struct slot *slot) 438 { 439 struct pci_dev *pdev = ctrl_dev(slot->ctrl); 440 u16 slot_status; 441 442 pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &slot_status); 443 return !!(slot_status & PCI_EXP_SLTSTA_PFD); 444 } 445 446 int pciehp_set_raw_attention_status(struct hotplug_slot *hotplug_slot, 447 u8 status) 448 { 449 struct slot *slot = hotplug_slot->private; 450 struct controller *ctrl = slot->ctrl; 451 > 452 pcie_write_cmd_nowait(ctrl, value << 6, 453 PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC); 454 return 0; 455 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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