xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

PCI: designware-ep: Do not disable BARs during initialization

Browse Source 
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>
This commit is contained in:
Kishon Vijay Abraham I
2017-08-18 20:28:04 +05:30
committed by Bjorn Helgaas
parent 85aa139974
commit 1d36eb58c3
1 changed files with 0 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/pci/dwc/pcie-designware-ep.c
View File

@@ -283,7 +283,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
{ {
int ret; int ret;
void *addr; void *addr;
enum pci_barno bar;
struct pci_epc *epc; struct pci_epc *epc;
struct dw_pcie *pci = to_dw_pcie_from_ep(ep); struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
struct device *dev = pci->dev; struct device *dev = pci->dev;
@@ -312,9 +311,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
return -ENOMEM; return -ENOMEM;
ep->outbound_addr = addr; ep->outbound_addr = addr;
for (bar = BAR_0; bar <= BAR_5; bar++)
dw_pcie_ep_reset_bar(pci, bar);
if (ep->ops->ep_init) if (ep->ops->ep_init)
ep->ops->ep_init(ep); ep->ops->ep_init(ep);