fsl_local_config_read(9)

💖 NAME 💖

okay so bestie, this is fsl_local_config_read(9) from the Kernel API Manual — yes, we are doing kernel API lore today and it’s lowkey iconic 💅

fsl_local_config_read — Generate a MPC85xx local config space read ✨

✨ SYNOPSIS ✨

int fsl_local_config_read (struct rio_mport *mport , int index , u32 offset , int len , u32 *data );

🎀 ARGUMENTS 🎀

• mport — RapidIO master port info 🫶
• index — ID of RapdiIO interface (yes, spelled exactly like that, don’t come for me 😭)
• offset — Offset into configuration space
• len — Length (in bytes) of the maintenance transaction
• data — Value to be read into

🦋 DESCRIPTION 🦋

Generates a MPC85xx local configuration space read. It returns 0 on success or -EINVAL on failure — periodt 💅

🌸 SEE ALSO 🌸

• Kernel file: ./arch/powerpc/sysdev/fsl_rio.c
• fsl_local_config_write(9)
• fsl_rio_config_read(9)
• fsl_rio_config_write(9)
• fsl_rio_setup(9)

xoxo 💖 — from ./arch/powerpc/sysdev, October 2026, fsl_local_config_read(9) 🎀✨