fsl_local_config_write(9)

💅 fsl_local_config_write(9) — Kernel API Manual 💅

okay bestie, welcome to the Kernel API Manual page for this lil' function. it's giving "generate a MPC85xx local config space write" energy, and we're gonna read every single bit together. no skipping, fr fr 🫶

🌸 NAME 🌸

• fsl_local_config_write - Generate a MPC85xx local config space write

✨ SYNOPSIS ✨

here's the signature, exactly as it appears, bestie — don't touch the spacing, she's sensitive 😭:

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

🎀 ARGUMENTS 🎀

• mport — RapidIO master port info. that's the master port tea 💅
• index — ID of RapdiIO interface. yes, RapdiIO with that exact spelling, keep it like that 🫶
• offset — Offset into configuration space
• len — Length (in bytes) of the maintenance transaction
• data — Value to be written

💖 DESCRIPTION 💖

This function generates a MPC85xx local configuration space write. simple as that, iconic behavior ✨

It returns 0 on success or -EINVAL on failure. so like, success is a cute little 0, failure is -EINVAL — noted, bestie 💀

🦋 SEE ALSO 🦋

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

okay that's the whole page, bestie!! 💖 source path: ./arch/powerpc/sysdev; date/version: October 2026; page name: fsl_local_config_write(9). mwah, slay, bye 💋