hdlc_write(9)

🎀 NAME 🎀

okay so bestie, we're in the Kernel API Manual and the main character is hdlc_write(9). Its name line says: Consume HDLC Buffer. That's the whole assignment, and it ate. 💅✨

✨ SYNOPSIS ✨

void hdlc_write (struct gb_beagleplay *bg );

No cap, that's the signature exactly as the page gives it. 🫶

🫶 ARGUMENTS 🫶

• bg — beagleplay greybus driver. That's the argument, that's the one-liner, and yes we're keeping it cute but exact. 🐝

💅 DESCRIPTION 💅

Short and lowkey important: Assumes that consumer lock has been acquired. So the vibe check is that the consumer lock has to have been acquired already — that's the assumption the page lays out. Periodt. 🔒✨

🌈 SEE ALSO 🌈

The kernel file ./drivers/greybus/gb-beagleplay.c is the home base, and here's the whole friend group of references — all of them, no skips, fr fr:

• struct gb_beagleplay(9)
• struct hdlc_payload(9)
• struct hdlc_greybus_frame(9)
• enum cc1352_bootloader_cmd(9)
• enum cc1352_bootloader_status(9)
• struct cc1352_bootloader_packet(9)
• struct cc1352_bootloader_download_cmd_data(9)
• struct cc1352_bootloader_crc32_cmd_data(9)
• hdlc_append(9)
• hdlc_encoded_length(9)
• hdlc_tx_frames(9)
• csum8(9)
• cc1352_bootloader_pkt_rx(9)
• gb_message_send(9)
• cc1352_bootloader_empty_pkt(9)

okay bye bestie — this page's source is ./drivers/greybus, the version/date moment is October 2026, and the manual page is hdlc_write(9). mwah 💖🎀🦋