dev_pm_qos_flags(9)

💖 NAME 💖

Okay so bestie, welcome to the dev_pm_qos_flags(9) page in the Kernel API Manual. This one is all about dev_pm_qos_flags — Check PM QoS flags for a given device (locked). The (locked) is literally part of the name, so keep it. Periodt 💅

✨ SYNOPSIS ✨

The signature is iconic, and you should copy it exactly — no freestyling:

enum pm_qos_flags_status dev_pm_qos_flags (struct device *dev , s32 mask
);

It returns an enum pm_qos_flags_status and takes a struct device *dev plus an s32 mask. Slay ✨

🎀 ARGUMENTS 🎀

• dev — Device to check the PM QoS flags for. Lowkey the main character here 👑
• mask — Flags to check against. That's the mask, bestie 🫶

🦋 SEE ALSO 🦋

The page points at the kernel file ./drivers/base/power/qos.c, and then it name-drops this whole friend group. Every linked page is listed here, exactly:

• __dev_pm_qos_flags(9)
• __dev_pm_qos_resume_latency(9)
• dev_pm_qos_read_value(9)
• apply_constraint(9)
• dev_pm_qos_constraints_destroy(9)
• dev_pm_qos_add_request(9)
• __dev_pm_qos_update_request(9)
• dev_pm_qos_update_request(9)
• dev_pm_qos_remove_request(9)
• dev_pm_qos_add_notifier(9)
• dev_pm_qos_remove_notifier(9)
• dev_pm_qos_add_ancestor_request(9)
• dev_pm_qos_expose_latency_limit(9)
• dev_pm_qos_hide_latency_limit(9)
• dev_pm_qos_expose_flags(9)
• dev_pm_qos_hide_flags(9)
• dev_pm_qos_update_flags(9)
• dev_pm_qos_get_user_latency_tolerance(9)
• dev_pm_qos_update_user_latency_tolerance(9)
• dev_pm_qos_expose_latency_tolerance(9)
• dev_pm_qos_hide_latency_tolerance(9)

Cute little sign-off: source path ./drivers/base/power, dated October 2026, page dev_pm_qos_flags(9). That's the footer, folded in like a tiny ribbon 🎀✨