qcom_unregis...ssr_notifier(9)

💅 qcom_unregister_ssr_notifier(9) — the Kernel API Manual glow-up 🎀

okay so bestie, this is a page straight out of the Kernel API Manual, section 9, and the title up top is literally truncated to qcom_unregis...ssr_notifier(9) (iykyk, kernel headers do be like that 😭). Anyway, let's get into it 💖

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✨ NAME ✨

qcom_unregister_ssr_notifier — unregister an SSR notification handler, aka the "nvm bestie, take me off the list" function 🫶

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✨ SYNOPSIS ✨

int qcom_unregister_ssr_notifier (void *notify , struct notifier_block
*nb );

literally just hand it the cookie and the block and it handles the rest ✨

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✨ ARGUMENTS ✨

• notify — the subsystem cookie 🌸 that qcom_register_ssr_notifier gave you when you signed up. yes, that exact one. don't lose it 💀
• nb — the notifier_block you wanna unregister. bye bestie 👋

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✨ DESCRIPTION ✨

so this function unregisters the notifier from the particular notifier chain 🎀 that's the whole vibe. you registered it, now you're un-registering it. closure. main character growth. periodt 💅

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✨ RETURN ✨

• 0 — slay, it worked ✅
• ENOENT — it didn't 🥲 (the thing you're unregistering isn't there, no cap)

ngl that's the whole return contract, nothing else, fr fr.

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✨ SEE ALSO ✨

go read the kernel file at ./drivers/remoteproc/qcom_common.c for the receipts 👀 and then these whole entire friends:

• struct minidump_region(9)
• struct minidump_subsystem(9)
• struct minidump_global_toc(9)
• qcom_add_glink_subdev(9)
• qcom_remove_glink_subdev(9)
• qcom_register_dump_segments(9)
• qcom_add_smd_subdev(9)
• qcom_remove_smd_subdev(9)
• qcom_register_ssr_notifier(9)
• qcom_add_ssr_subdev(9)
• qcom_remove_ssr_subdev(9)
• qcom_add_pdm_subdev(9)
• qcom_remove_pdm_subdev(9)

💡 friendly reminder: qcom_register_ssr_notifier(9) is the one that gives you the cookie in the first place — it's giving prequel energy 🌈

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that's the whole page bestie 🦋 sourced from ./drivers/remoteproc, dated October 2026 — mwah, bye, go unregister something responsibly 💜🎀💅