ipc_pm_prepare_host_sleep(9)

bestie, welcome to ipc_pm_prepare_host_sleep(9) from the Kernel API Manual ✨ this page is lowkey iconic and highkey about getting the PM ready to snooze.

🌸 NAME 🌸

ipc_pm_prepare_host_sleep — prepare the PM for sleep by entering IPC_MEM_HOST_PM_SLEEP_WAIT_D3 state. That's the whole assignment, no cap 🫶

✨ SYNOPSIS ✨

bool ipc_pm_prepare_host_sleep (struct iosm_pm *ipc_pm );

🎀 ARGUMENTS 🎀

• ipc_pm — pointer to the power management component, bestie. She's the main character here 💅

🔥 RETURN 🔥

• true on success — slay ✅
• false if the host was not active — not slay, but very important info 😭

🦋 SEE ALSO 🦋

Kernel file ./drivers/net/wwan/iosm/iosm_ipc_pm.h is in the group chat, along with:

• union ipc_pm_cond(9)
• enum ipc_mem_host_pm_state(9)
• enum ipc_mem_dev_pm_state(9)
• struct iosm_pm(9)
• enum ipc_pm_unit(9)
• ipc_pm_init(9)
• ipc_pm_deinit(9)
• ipc_pm_dev_slp_notification(9)
• ipc_pm_set_s2idle_sleep(9)
• ipc_pm_prepare_host_active(9)
• ipc_pm_wait_for_device_active(9)
• ipc_pm_signal_hpda_doorbell(9)
• ipc_pm_trigger(9)

💌 okay that's the whole page, bestie! Footer vibes — source/version: ./drivers/net/wwan/iosm, date: October 2026, page: ipc_pm_prepare_host_sleep(9). mwah 🫶💖