STRUCT CGBC_DEVICE_DATA(9)

hey bestie, you're reading struct cgbc_device_data(9) from the Kernel API Manual — and yes, the manual name is folded in right up top like a lil name tag 🎀. This page is about the kernel's own internal rep of the Board Controller device, and we're gonna make it make sense, fr fr.

💖 NAME 💖

struct cgbc_device_data — Internal representation of the Board Controller device. That's the whole gig: it's the kernel-side struct that reps the Board Controller. No cap, she's iconic 👑

✨ SYNOPSIS ✨

       struct cgbc_device_data {
           void __iomem            *io_session;
           void __iomem            *io_cmd;
           u8 session;
           struct device           *dev;
           struct cgbc_version     version;
           struct mutex            lock;
        };

okay so that's the struct in all its glory — every field is literally right there, spaced exactly like the original because we do not mess with code 💅

🫶 Members 🫶

• io_session — Pointer to the session IO memory. Session IO memory goes here.
• io_cmd — Pointer to the command IO memory. Command IO memory goes here.
• session — Session id returned by the Board Controller. It's the Board Controller's session id.
• dev — Pointer to kernel device structure. Kernel device pointer, slay.
• version — Board Controller version structure. Version struct for the Board Controller.
• lock — Board Controller mutex. The Board Controller mutex, periodt.

🔗 SEE ALSO 🔗

• Kernel file ./include/linux/mfd/cgbc.h
• struct cgbc_version(9)

xoxo, source/version ./include/linux/mfd, dated October 2026 — this was struct cgbc_device_data(9), signing off with a 💋