Bjorn complained some strange print out for pending interrupts. Actually that is caused that have cmd print out after write_cmd. Adjust the sequence to get right order for debug print out. Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 026830a..94df18f99 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -475,9 +475,9 @@ void pciehp_set_attention_status(struct slot *slot, u8 value) default: return; } - pcie_write_cmd_nowait(ctrl, slot_cmd, PCI_EXP_SLTCTL_AIC); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd); + pcie_write_cmd_nowait(ctrl, slot_cmd, PCI_EXP_SLTCTL_AIC); } void pciehp_green_led_on(struct slot *slot) @@ -487,11 +487,11 @@ void pciehp_green_led_on(struct slot *slot) if (!PWR_LED(ctrl)) return; - pcie_write_cmd_nowait(ctrl, PCI_EXP_SLTCTL_PWR_IND_ON, - PCI_EXP_SLTCTL_PIC); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, PCI_EXP_SLTCTL_PWR_IND_ON); + pcie_write_cmd_nowait(ctrl, PCI_EXP_SLTCTL_PWR_IND_ON, + PCI_EXP_SLTCTL_PIC); } void pciehp_green_led_off(struct slot *slot) @@ -501,11 +501,11 @@ void pciehp_green_led_off(struct slot *slot) if (!PWR_LED(ctrl)) return; - pcie_write_cmd_nowait(ctrl, PCI_EXP_SLTCTL_PWR_IND_OFF, - PCI_EXP_SLTCTL_PIC); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, PCI_EXP_SLTCTL_PWR_IND_OFF); + pcie_write_cmd_nowait(ctrl, PCI_EXP_SLTCTL_PWR_IND_OFF, + PCI_EXP_SLTCTL_PIC); } void pciehp_green_led_blink(struct slot *slot) @@ -515,11 +515,11 @@ void pciehp_green_led_blink(struct slot *slot) if (!PWR_LED(ctrl)) return; - pcie_write_cmd_nowait(ctrl, PCI_EXP_SLTCTL_PWR_IND_BLINK, - PCI_EXP_SLTCTL_PIC); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, PCI_EXP_SLTCTL_PWR_IND_BLINK); + pcie_write_cmd_nowait(ctrl, PCI_EXP_SLTCTL_PWR_IND_BLINK, + PCI_EXP_SLTCTL_PIC); } int pciehp_power_on_slot(struct slot *slot) @@ -536,10 +536,10 @@ int pciehp_power_on_slot(struct slot *slot) PCI_EXP_SLTSTA_PFD); ctrl->power_fault_detected = 0; - pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_ON, PCI_EXP_SLTCTL_PCC); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, PCI_EXP_SLTCTL_PWR_ON); + pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_ON, PCI_EXP_SLTCTL_PCC); retval = pciehp_link_enable(ctrl); if (retval) @@ -552,10 +552,10 @@ void pciehp_power_off_slot(struct slot *slot) { struct controller *ctrl = slot->ctrl; - pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_OFF, PCI_EXP_SLTCTL_PCC); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, PCI_EXP_SLTCTL_PWR_OFF); + pcie_write_cmd(ctrl, PCI_EXP_SLTCTL_PWR_OFF, PCI_EXP_SLTCTL_PCC); } static irqreturn_t pciehp_isr(int irq, void *dev_id) @@ -701,9 +701,9 @@ void pcie_enable_notification(struct controller *ctrl) PCI_EXP_SLTCTL_HPIE | PCI_EXP_SLTCTL_CCIE | PCI_EXP_SLTCTL_DLLSCE); - pcie_write_cmd_nowait(ctrl, cmd, mask); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, cmd); + pcie_write_cmd_nowait(ctrl, cmd, mask); } static void pcie_disable_notification(struct controller *ctrl) @@ -714,9 +714,9 @@ static void pcie_disable_notification(struct controller *ctrl) PCI_EXP_SLTCTL_MRLSCE | PCI_EXP_SLTCTL_PFDE | PCI_EXP_SLTCTL_HPIE | PCI_EXP_SLTCTL_CCIE | PCI_EXP_SLTCTL_DLLSCE); - pcie_write_cmd(ctrl, 0, mask); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, 0); + pcie_write_cmd(ctrl, 0, mask); } /* @@ -743,18 +743,18 @@ int pciehp_reset_slot(struct slot *slot, int probe) ctrl_mask |= PCI_EXP_SLTCTL_DLLSCE; stat_mask |= PCI_EXP_SLTSTA_DLLSC; - pcie_write_cmd(ctrl, 0, ctrl_mask); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, 0); + pcie_write_cmd(ctrl, 0, ctrl_mask); if (pciehp_poll_mode) del_timer_sync(&ctrl->poll_timer); pci_reset_bridge_secondary_bus(ctrl->pcie->port); pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, stat_mask); - pcie_write_cmd_nowait(ctrl, ctrl_mask, ctrl_mask); ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, ctrl_mask); + pcie_write_cmd_nowait(ctrl, ctrl_mask, ctrl_mask); if (pciehp_poll_mode) int_poll_timeout(ctrl->poll_timer.data);