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

PCI: dwc: Add a 'num_lanes' field to struct dw_pcie

Browse Source 
Add a 'num_lanes' field to allow drivers to provide a the number of lanes
if not in DT or using a custom DT property. A driver can provide a
non-zero value which is used if the DT doesn't have a 'num-lanes'
property.

Link: https://lore.kernel.org/r/20200821035420.380495-24-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Rob Herring
2020-08-20 21:54:03 -06:00
committed by Lorenzo Pieralisi
parent 574523dcfc
commit 6ffc02d236
2 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/pci/controller/dwc/pcie-designware.h
View File

@@ -246,6 +246,7 @@ struct dw_pcie {
struct dw_pcie_ep ep;
const struct dw_pcie_ops *ops;
unsigned int version;
int num_lanes;
};
#define to_dw_pcie_from_pp(port) container_of((port), struct dw_pcie, pp)