When a Zynq UltraScale+ MPSoC PL Bridge is Root Port (DMA/Bridge Subsystem for PCI Express - Bridge mode) and driver enabled in PetaLinux, the driver compilation fails.
The compilation failure is due to a change in PCIe subsystem APIs in Kernel 4.19.
This article is part of the PCI Express Solution Centre
| (Xilinx Answer 34536) | Xilinx Solution Center for PCI Express |
To address the issue, please install the tactical patch attached to this answer record.
The patch removes the deprecated API of_pci_get_host_bridge_resources () and uses the new kernel API devm_of_pci_get_host_bridge_resources() to fix the compilation error.
Please refer to the link below for guidance on installing the patch.
Revision History:
05/30/2019 - Initial Release
| 文件名 | 文件大小 | File Type |
|---|---|---|
| 0001-PCI-XDMA-PL-Remove-of_pci_get_host_bridge_resources.patch | 1 KB | PATCH |
| AR# 72389 | |
|---|---|
| 日期 | 01/06/2020 |
| 状态 | Active |
| Type | 已知问题 |
| IP | |