pwrdm_lock(9)

💖 NAME 💖

okay so bestie, this page is from the Kernel API Manual, and it’s all about pwrdm_lock — acquire a Linux spinlock on a powerdomain. ✨

🎀 SYNOPSIS 🎀

void pwrdm_lock (struct powerdomain *pwrdm );

🫶 ARGUMENTS 🫶

• pwrdm — the struct powerdomain * to lock. That’s literally the one, bestie. 💅

🦋 DESCRIPTION 🦋

okay so pwrdm_lock acquires the powerdomain spinlock on pwrdm. That’s the vibe. It’s giving “grab the lock and go,” no cap. 🔥

There is no return value — like, none, zero, nada. 😭

🌈 SEE ALSO 🌈

Kernel file: ./arch/arm/mach-omap2/powerdomain.c — and here’s the whole friend group:

• _pwrdm_register(9)
• _pwrdm_save_clkdm_state_and_activate(9)
• _pwrdm_restore_clkdm_state(9)
• pwrdm_register_platform_funcs(9)
• pwrdm_register_pwrdms(9)
• pwrdm_complete_init(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)

mwah 💋 this cutie’s source/version footer lives at ./arch/arm/mach-omap2, and the page is dated October 2026 — pwrdm_lock(9) out, bestie! 👑