Linux PCI Device Lead

Job Description :

Architect and Lead PCI Subsystem Development :

- Ensure seamless enumeration, configuration, power management, and hotplug support for PCI devices.

Device Enablement and Bring-up :

- Validate and debug device-tree or ACPI configurations for PCI host bridges and endpoints.

Kernel and Firmware Interaction :

- Work closely with architecture teams to support secure boot and DMA protection for PCI devices.

Performance and Power Optimization :

- Implement ASPM, LTR, and other low-power states in compliance with PCIe specs.

Debugging and Issue Resolution :

- Root-cause platform PCI failures and compatibility issues across hardware and kernel versions.

Upstream and Compliance :

- Ensure compliance with PCI-SIG and Linux kernel community best practices.

Cross-Team Collaboration :

Required Expertise :

- Hands-on experience with PCIe Gen3/Gen4/Gen5 devices and related PHY bring-up issues.

- Familiarity with ARM64 and x86 architectures, DT/ACPI handling for PCI devices.

- Proficient in C programming, Linux kernel debugging (GDB, crash dumps), and tools like dmesg, lspci, pcie_check.

- Expertise in power management (runtime, suspend/resume flows) for PCI devices.

- Experience with Secure Boot, TrustZone, and virtualization passthrough (VFIO/SR-IOV) for PCIe devices is a strong plus.

- Experience using Yocto, Buildroot, or other embedded Linux build systems.