watchdog_dev_register(9)

💖 watchdog_dev_register(9) 💖

okay bestie, welcome to the Kernel API Manual page for watchdog_dev_register(9) — the one where we register a watchdog device and handle the legacy /dev/watchdog node. main character energy fr fr. 🐶✨

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🎀 NAME 🎀

watchdog_dev_register — register a watchdog device 💅

✨ SYNOPSIS ✨

int watchdog_dev_register (struct watchdog_device *wdd );

🌸 ARGUMENTS 🌸

• wdd — Watchdog device. that's the whole vibe. 🫶

🦋 DESCRIPTION 🦋

Register a watchdog device, including handling the legacy /dev/watchdog node. plot twist: /dev/watchdog is actually a miscdevice, and thus we set it up like that. no cap. 💅

🔥 RETURN 🔥

0 if successful, error otherwise. that's it, that's the return. if it's not 0, it's giving error 😭💀

💜 SEE ALSO 💜

Kernel file: ./drivers/watchdog/watchdog_dev.c 👑

the whole squad:

• watchdog_ping(9)
• watchdog_start(9)
• watchdog_stop(9)
• watchdog_get_status(9)
• watchdog_set_timeout(9)
• watchdog_set_pretimeout(9)
• watchdog_get_timeleft(9)
• watchdog_ioctl_op(9)
• watchdog_write(9)
• watchdog_ioctl(9)
• watchdog_open(9)
• watchdog_release(9)
• watchdog_cdev_register(9)
• watchdog_cdev_unregister(9)
• watchdog_dev_unregister(9)
• watchdog_set_last_hw_keepalive(9)
• watchdog_dev_init(9)
• watchdog_dev_exit(9)

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mwah 💋 source/version: ./drivers/watchdog, date: October 2026, page tag: watchdog_dev_register(9). byeee 🫶🌈