fwnode_reset...ol_get_count(9)

💅 fwnode_reset_control_get_count — Kernel API Manual ✨

okay so you're in the kernel API docs (the (9) section, iykyk) and you found fwnode_reset_control_get_count. bestie, this one's actually so simple and so useful, let's go 🫶

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🌸 NAME 🌸

fwnode_reset_control_get_count — literally just counts how many resets are available with a device. that's the whole job. iconic, minimal, no notes 💅

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✨ SYNOPSIS ✨

int fwnode_reset_control_get_count (struct fwnode_handle *fwnode );

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🎀 ARGUMENTS 🎀

• fwnode — the firmware node that contains 'resets'. that's the one you're counting from, bestie 🦋

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💖 DESCRIPTION 💖

so here's the vibe check: it returns a positive reset count on success ✨

…or an error number on failure, and also when the count is zero 😭 yeah, zero doesn't get to be a happy little count here, it comes back as an error number. no cap, that's just how it is.

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🔥 SEE ALSO 🔥

the whole reset-control friend group, fr fr — go say hi:

• Kernel file ./drivers/reset/core.c 👑 (the source of truth, main character energy)
• struct reset_control(9)
• struct reset_control_array(9)
• struct reset_gpio_lookup(9)
• fwnode_reset_simple_xlate(9)
• reset_controller_register(9)
• reset_controller_unregister(9)
• devm_reset_controller_register(9)
• reset_control_reset(9)
• reset_control_bulk_reset(9)
• reset_control_rearm(9)
• reset_control_assert(9)
• reset_control_bulk_assert(9)
• reset_control_deassert(9)
• reset_control_bulk_deassert(9)
• reset_control_status(9)
• reset_control_acquire(9)
• reset_control_bulk_acquire(9)
• reset_control_release(9)
• reset_control_bulk_release(9)
• reset_control_put(9)
• reset_control_bulk_put(9)
• __device_reset(9)
• fwnode_reset_control_array_get(9)
• devm_reset_control_array_get(9)
• reset_control_get_count(9) ⭐ (the sibling!! the non-fwnode twin!!)

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okay that's the page, mwah 💋 this one lives in ./drivers/reset, dated October 2026, and it's part of the Kernel API Manual — go count some resets responsibly, bestie 🌈🍓