From: Kishon Vijay Abraham I <kishon@ti.com>
Date: Fri, 18 Aug 2017 20:28:04 +0530
Subject: PCI: designware-ep: Do not disable BARs during initialization
Git-commit: 1d36eb58c34d0557b056e3724fd9de25e1ec90be
Patch-mainline: v4.14-rc1
References: fate#326536, fate#326532
Some platforms like K2G has reserved use of BAR_0 which shouldn't be
disabled by software. Avoid disabling all BARs during initialization.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/pci/dwc/pcie-designware-ep.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c
index e70ebe3b9b6f..b3205df38d52 100644
--- a/drivers/pci/dwc/pcie-designware-ep.c
+++ b/drivers/pci/dwc/pcie-designware-ep.c
@@ -283,7 +283,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
{
int ret;
void *addr;
- enum pci_barno bar;
struct pci_epc *epc;
struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
struct device *dev = pci->dev;
@@ -312,9 +311,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
return -ENOMEM;
ep->outbound_addr = addr;
- for (bar = BAR_0; bar <= BAR_5; bar++)
- dw_pcie_ep_reset_bar(pci, bar);
-
if (ep->ops->ep_init)
ep->ops->ep_init(ep);
--
2.11.0