fsl_rio_config_write(9)

📦 version 7.3.1, in nixpkgs unstable

✨ fsl_rio_config_write(9) ✨

okay bestie, welcome to the Kernel API Manual — we're doing kernel RapidIO stuff today and honestly it's giving main-character energy 💅

🎀 NAME 🎀

  • fsl_rio_config_write — Generate a MPC85xx write maintenance transaction

🦋 SYNOPSIS 🦋

int fsl_rio_config_write (struct rio_mport *mport , int index , u16
destid , u8 hopcount , u32 offset , int len , u32 val );

🌸 ARGUMENTS 🌸

  • mport — RapidIO master port info. literally the port's whole vibe ✨
  • index — ID of RapdiIO interface (yes, that's exactly how it's spelled in the source, bestie 🙈)
  • destid — Destination ID of transaction
  • hopcount — Number of hops to target device 🦘
  • offset — Offset into configuration space
  • len — Length (in bytes) of the maintenance transaction
  • val — Value to be written

💖 DESCRIPTION 💖

Generates an MPC85xx write maintenance transaction. That's the whole plot, no cap.

Returns 0 on success or -EINVAL on failure. slay 💅

🔥 SEE ALSO 🔥

go off, kernel bestie 👑

made with love from ./arch/powerpc/sysdev 💖 — October 2026 edition, periodt 🎀

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