diff options
Diffstat (limited to 'drivers/pci/hotplug/shpchp_hpc.c')
-rw-r--r-- | drivers/pci/hotplug/shpchp_hpc.c | 73 |
1 files changed, 33 insertions, 40 deletions
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c index 2b69a08..86dc398 100644 --- a/drivers/pci/hotplug/shpchp_hpc.c +++ b/drivers/pci/hotplug/shpchp_hpc.c @@ -320,8 +320,7 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd) if (!shpc_poll_ctrl_busy(ctrl)) { /* After 1 sec and and the controller is still busy */ - ctrl_err(ctrl, "%s : Controller is still busy after 1 sec.\n", - __func__); + ctrl_err(ctrl, "Controller is still busy after 1 sec\n"); retval = -EBUSY; goto out; } @@ -344,8 +343,9 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd) cmd_status = hpc_check_cmd_status(slot->ctrl); if (cmd_status) { - ctrl_err(ctrl, "%s: Failed to issued command 0x%x " - "(error code = %d)\n", __func__, cmd, cmd_status); + ctrl_err(ctrl, + "Failed to issued command 0x%x (error code = %d)\n", + cmd, cmd_status); retval = -EIO; } out: @@ -364,15 +364,15 @@ static int hpc_check_cmd_status(struct controller *ctrl) break; case 1: retval = SWITCH_OPEN; - ctrl_err(ctrl, "%s: Switch opened!\n", __func__); + ctrl_err(ctrl, "Switch opened!\n"); break; case 2: retval = INVALID_CMD; - ctrl_err(ctrl, "%s: Invalid HPC command!\n", __func__); + ctrl_err(ctrl, "Invalid HPC command!\n"); break; case 4: retval = INVALID_SPEED_MODE; - ctrl_err(ctrl, "%s: Invalid bus speed/mode!\n", __func__); + ctrl_err(ctrl, "Invalid bus speed/mode!\n"); break; default: retval = cmd_status; @@ -773,8 +773,8 @@ static irqreturn_t shpc_isr(int irq, void *dev_id) continue; slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); - ctrl_dbg(ctrl, "%s: Slot %x with intr, slot register = %x\n", - __func__, hp_slot, slot_reg); + ctrl_dbg(ctrl, "Slot %x with intr, slot register = %x\n", + hp_slot, slot_reg); if (slot_reg & MRL_CHANGE_DETECTED) shpchp_handle_switch_change(hp_slot, ctrl); @@ -949,6 +949,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) u8 i; ctrl->pci_dev = pdev; /* pci_dev of the P2P bridge */ + ctrl_dbg(ctrl, "Hotplug Controller:\n"); if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device == PCI_DEVICE_ID_AMD_GOLAM_7450)) { @@ -958,38 +959,33 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) } else { ctrl->cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC); if (!ctrl->cap_offset) { - ctrl_err(ctrl, "%s : cap_offset == 0\n", __func__); + ctrl_err(ctrl, "Cannot find PCI capability\n"); goto abort; } - ctrl_dbg(ctrl, "%s: cap_offset = %x\n", __func__, - ctrl->cap_offset); + ctrl_dbg(ctrl, " cap_offset = %x\n", ctrl->cap_offset); rc = shpc_indirect_read(ctrl, 0, &shpc_base_offset); if (rc) { - ctrl_err(ctrl, "%s: cannot read base_offset\n", - __func__); + ctrl_err(ctrl, "Cannot read base_offset\n"); goto abort; } rc = shpc_indirect_read(ctrl, 3, &tempdword); if (rc) { - ctrl_err(ctrl, "%s: cannot read slot config\n", - __func__); + ctrl_err(ctrl, "Cannot read slot config\n"); goto abort; } num_slots = tempdword & SLOT_NUM; - ctrl_dbg(ctrl, "%s: num_slots (indirect) %x\n", - __func__, num_slots); + ctrl_dbg(ctrl, " num_slots (indirect) %x\n", num_slots); for (i = 0; i < 9 + num_slots; i++) { rc = shpc_indirect_read(ctrl, i, &tempdword); if (rc) { - ctrl_err(ctrl, "%s: cannot read creg " - "(index = %d)\n", __func__, i); + ctrl_err(ctrl, + "Cannot read creg (index = %d)\n", i); goto abort; } - ctrl_dbg(ctrl, "%s: offset %d: value %x\n", - __func__, i, tempdword); + ctrl_dbg(ctrl, " offset %d: value %x\n", i, tempdword); } ctrl->mmio_base = @@ -1003,25 +999,25 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) rc = pci_enable_device(pdev); if (rc) { - ctrl_err(ctrl, "%s: pci_enable_device failed\n", __func__); + ctrl_err(ctrl, "pci_enable_device failed\n"); goto abort; } if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) { - ctrl_err(ctrl, "%s: cannot reserve MMIO region\n", __func__); + ctrl_err(ctrl, "Cannot reserve MMIO region\n"); rc = -1; goto abort; } ctrl->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size); if (!ctrl->creg) { - ctrl_err(ctrl, "%s: cannot remap MMIO region %lx @ %lx\n", - __func__, ctrl->mmio_size, ctrl->mmio_base); + ctrl_err(ctrl, "Cannot remap MMIO region %lx @ %lx\n", + ctrl->mmio_size, ctrl->mmio_base); release_mem_region(ctrl->mmio_base, ctrl->mmio_size); rc = -1; goto abort; } - ctrl_dbg(ctrl, "%s: ctrl->creg %p\n", __func__, ctrl->creg); + ctrl_dbg(ctrl, "ctrl->creg %p\n", ctrl->creg); mutex_init(&ctrl->crit_sect); mutex_init(&ctrl->cmd_lock); @@ -1040,21 +1036,21 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) /* Mask Global Interrupt Mask & Command Complete Interrupt Mask */ tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE); - ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword); + ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword); tempdword |= (GLOBAL_INTR_MASK | GLOBAL_SERR_MASK | COMMAND_INTR_MASK | ARBITER_SERR_MASK); tempdword &= ~SERR_INTR_RSVDZ_MASK; shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword); tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE); - ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword); + ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword); /* Mask the MRL sensor SERR Mask of individual slot in * Slot SERR-INT Mask & clear all the existing event if any */ for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) { slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); - ctrl_dbg(ctrl, "%s: Default Logical Slot Register %d " - "value %x\n", __func__, hp_slot, slot_reg); + ctrl_dbg(ctrl, "Default Logical Slot Register %d value %x\n", + hp_slot, slot_reg); slot_reg |= (PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK | BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK | CON_PFAULT_INTR_MASK | MRL_CHANGE_SERR_MASK | @@ -1079,8 +1075,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED, MY_NAME, (void *)ctrl); - ctrl_dbg(ctrl, "%s: request_irq %d for hpc%d (returns %d)\n", - __func__, ctrl->pci_dev->irq, + ctrl_dbg(ctrl, "request_irq %d for hpc%d (returns %d)\n", + ctrl->pci_dev->irq, atomic_read(&shpchp_num_controllers), rc); if (rc) { ctrl_err(ctrl, "Can't get irq %d for the hotplug " @@ -1088,9 +1084,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) goto abort_iounmap; } } - ctrl_dbg(ctrl, "%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", - __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), - PCI_FUNC(pdev->devfn), pdev->irq); + ctrl_dbg(ctrl, "HPC at %s irq=%x\n", pci_name(pdev), pdev->irq); /* * If this is the first controller to be initialized, @@ -1109,8 +1103,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) */ for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) { slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot)); - ctrl_dbg(ctrl, "%s: Default Logical Slot Register %d " - "value %x\n", __func__, hp_slot, slot_reg); + ctrl_dbg(ctrl, "Default Logical Slot Register %d value %x\n", + hp_slot, slot_reg); slot_reg &= ~(PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK | BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK | CON_PFAULT_INTR_MASK | SLOT_REG_RSVDZ_MASK); @@ -1123,8 +1117,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) SERR_INTR_RSVDZ_MASK); shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword); tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE); - ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", - __func__, tempdword); + ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword); } return 0; 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