CONFIG_FW_CACHE: Enable firmware caching during suspend

General informations

The Linux kernel configuration item CONFIG_FW_CACHE:

• prompt: Enable firmware caching during suspend
• type: bool
• depends on: ( CONFIG_PM_SLEEP ) && ( CONFIG_PM_SLEEP )
• defined in drivers/base/firmware_loader/Kconfig
• found in Linux kernels: 5.5–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Because firmware caching generates uevent messages that are sent over a netlink socket, it can prevent suspend on many platforms. It is also not always useful, so on such platforms we have the option.

If unsure, say Y.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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