diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_hpc.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 101 | 
1 files changed, 0 insertions, 101 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index a960faec102..302451e8289 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -705,107 +705,6 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)  	return IRQ_HANDLED;  } -int pciehp_get_max_lnk_width(struct slot *slot, -				 enum pcie_link_width *value) -{ -	struct controller *ctrl = slot->ctrl; -	enum pcie_link_width lnk_wdth; -	u32	lnk_cap; -	int retval = 0; - -	retval = pciehp_readl(ctrl, PCI_EXP_LNKCAP, &lnk_cap); -	if (retval) { -		ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__); -		return retval; -	} - -	switch ((lnk_cap & PCI_EXP_LNKSTA_NLW) >> 4){ -	case 0: -		lnk_wdth = PCIE_LNK_WIDTH_RESRV; -		break; -	case 1: -		lnk_wdth = PCIE_LNK_X1; -		break; -	case 2: -		lnk_wdth = PCIE_LNK_X2; -		break; -	case 4: -		lnk_wdth = PCIE_LNK_X4; -		break; -	case 8: -		lnk_wdth = PCIE_LNK_X8; -		break; -	case 12: -		lnk_wdth = PCIE_LNK_X12; -		break; -	case 16: -		lnk_wdth = PCIE_LNK_X16; -		break; -	case 32: -		lnk_wdth = PCIE_LNK_X32; -		break; -	default: -		lnk_wdth = PCIE_LNK_WIDTH_UNKNOWN; -		break; -	} - -	*value = lnk_wdth; -	ctrl_dbg(ctrl, "Max link width = %d\n", lnk_wdth); - -	return retval; -} - -int pciehp_get_cur_lnk_width(struct slot *slot, -				 enum pcie_link_width *value) -{ -	struct controller *ctrl = slot->ctrl; -	enum pcie_link_width lnk_wdth = PCIE_LNK_WIDTH_UNKNOWN; -	int retval = 0; -	u16 lnk_status; - -	retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status); -	if (retval) { -		ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n", -			 __func__); -		return retval; -	} - -	switch ((lnk_status & PCI_EXP_LNKSTA_NLW) >> 4){ -	case 0: -		lnk_wdth = PCIE_LNK_WIDTH_RESRV; -		break; -	case 1: -		lnk_wdth = PCIE_LNK_X1; -		break; -	case 2: -		lnk_wdth = PCIE_LNK_X2; -		break; -	case 4: -		lnk_wdth = PCIE_LNK_X4; -		break; -	case 8: -		lnk_wdth = PCIE_LNK_X8; -		break; -	case 12: -		lnk_wdth = PCIE_LNK_X12; -		break; -	case 16: -		lnk_wdth = PCIE_LNK_X16; -		break; -	case 32: -		lnk_wdth = PCIE_LNK_X32; -		break; -	default: -		lnk_wdth = PCIE_LNK_WIDTH_UNKNOWN; -		break; -	} - -	*value = lnk_wdth; -	ctrl_dbg(ctrl, "Current link width = %d\n", lnk_wdth); - -	return retval; -} -  int pcie_enable_notification(struct controller *ctrl)  {  	u16 cmd, mask;  |