static void set_slot_off(struct controller *ctrl, struct slot * pslot) { /* turn off slot, turn on Amber LED, turn off Green LED if supported*/ if (POWER_CTRL(ctrl)) { if (pciehp_power_off_slot(pslot)) { ctrl_err(ctrl, "Issue of Slot Power Off command failed\n"); return; } /* * After turning power off, we must wait for at least 1 second * before taking any action that relies on power having been * removed from the slot/adapter. */ msleep(1000); } if (PWR_LED(ctrl)) pciehp_green_led_off(pslot); if (ATTN_LED(ctrl)) { if (pciehp_set_attention_status(pslot, 1)) { ctrl_err(ctrl, "Issue of Set Attention Led command failed\n"); return; } } }
/** * board_added - Called after a board has been added to the system. * @p_slot: &slot where board is added * * Turns power on for the board. * Configures board. */ static int board_added(struct slot *p_slot) { int retval = 0; struct controller *ctrl = p_slot->ctrl; struct pci_bus *parent = ctrl->pcie->port->subordinate; if (POWER_CTRL(ctrl)) { /* Power on slot */ retval = pciehp_power_on_slot(p_slot); if (retval) return retval; } pciehp_green_led_blink(p_slot); /* Check link training status */ pm_runtime_get_sync(&ctrl->pcie->port->dev); retval = pciehp_check_link_status(ctrl); if (retval) { ctrl_err(ctrl, "Failed to check link status\n"); goto err_exit; } /* Check for a power fault */ if (ctrl->power_fault_detected || pciehp_query_power_fault(p_slot)) { ctrl_err(ctrl, "Slot(%s): Power fault\n", slot_name(p_slot)); retval = -EIO; goto err_exit; } retval = pciehp_configure_device(p_slot); if (retval) { ctrl_err(ctrl, "Cannot add device at %04x:%02x:00\n", pci_domain_nr(parent), parent->number); if (retval != -EEXIST) goto err_exit; } pm_runtime_put(&ctrl->pcie->port->dev); pciehp_green_led_on(p_slot); pciehp_set_attention_status(p_slot, 0); return 0; err_exit: pm_runtime_put(&ctrl->pcie->port->dev); set_slot_off(ctrl, p_slot); return retval; }
static void set_slot_off(struct controller *ctrl, struct slot *pslot) { /* turn off slot, turn on Amber LED, turn off Green LED if supported*/ if (POWER_CTRL(ctrl)) { pciehp_power_off_slot(pslot); /* * After turning power off, we must wait for at least 1 second * before taking any action that relies on power having been * removed from the slot/adapter. */ msleep(1000); } pciehp_green_led_off(pslot); pciehp_set_attention_status(pslot, 1); }