pwrdm_regis...atform_funcs(9)

💅 pwrdm_register_platform_funcs — the Kernel API Manual tea 🎀

okay bestie, welcome to the Kernel API Manual page for pwrdm_regis...atform_funcs(9) — yes the title got truncated by the terminal, no we're not gonna fix it, it's giving main character energy. sit down, grab a strawberry 🍓, and let's talk about registering powerdomain implementation fns ✨

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🦋 NAME 🦋

pwrdm_register_platform_funcs — literally the function where you register your powerdomain implementation fns, no cap 💖

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🌸 SYNOPSIS 🌸

int pwrdm_register_platform_funcs (struct pwrdm_ops *po );

like, that's it. that's the whole vibe check 🔥

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🎀 ARGUMENTS 🎀

• po — func pointers for arch specific implementations 💫 this is where you hand over your lil bundle of function pointers, iykyk

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✨ DESCRIPTION ✨

So here's the tea ☕: you're registering the list of function pointers that get used to actually implement the powerdomain functions across the different OMAP SoCs. different chip, different plumbing, same vibe 🧚

⚠️ bestie, listen — this should be called before any other pwrdm_register*() function. like, before. not after. before. 🙈

Return values, fr fr:

• -EINVAL — if po is null 😭 (you gave it nothing, it said no)
• -EEXIST — if platform functions have already been registered 💀 (you already did this, it's not doing it twice)
• 0 — upon success 👑 slay, we love a clean zero

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🌈 SEE ALSO 🌈

okay this list is long, but every single one of these is iconic in its own right, so here we go — Kernel file ./arch/arm/mach-omap2/powerdomain.c plus:

• _pwrdm_register(9)
• _pwrdm_save_clkdm_state_and_activate(9)
• _pwrdm_restore_clkdm_state(9)
• pwrdm_register_pwrdms(9)
• pwrdm_complete_init(9)
• pwrdm_lock(9)
• pwrdm_unlock(9)
• pwrdm_lookup(9)
• pwrdm_for_each(9)
• pwrdm_add_clkdm(9)
• pwrdm_get_mem_bank_count(9)
• pwrdm_set_next_pwrst(9)
• pwrdm_read_next_pwrst(9)
• pwrdm_read_pwrst(9)
• pwrdm_read_prev_pwrst(9)
• pwrdm_set_logic_retst(9)
• pwrdm_set_mem_onst(9)
• pwrdm_set_mem_retst(9)
• pwrdm_read_logic_pwrst(9)
• pwrdm_read_prev_logic_pwrst(9)
• pwrdm_read_logic_retst(9)
• pwrdm_read_mem_pwrst(9)
• pwrdm_read_prev_mem_pwrst(9)
• pwrdm_read_mem_retst(9)
• pwrdm_clear_all_prev_pwrst(9)
• pwrdm_enable_hdwr_sar(9)
• pwrdm_disable_hdwr_sar(9)
• pwrdm_has_hdwr_sar(9)
• pwrdm_get_valid_lp_state(9)
• omap_set_pwrdm_state(9)
• pwrdm_save_context(9)
• pwrdm_restore_context(9)

like, go read them. all of them. this is your reading list now 📚💅

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and that's the whole page bestie!! 🫶 this lil slice of the Kernel API Manual lives at ./arch/arm/mach-omap2 and it's stamped October 2026 — so yeah, future vibes only ⭐ bye, ily, go register your funcs responsibly 💜