Lines Matching full:firmware
2 menu "Firmware loader"
5 tristate "Firmware loading facility" if EXPERT
8 This enables the firmware loading facility in the kernel. The kernel
9 will first look for built-in firmware, if it has any. Next, it will
10 look for the requested firmware in a series of filesystem paths:
13 o /lib/firmware/updates/UTS_RELEASE
14 o /lib/firmware/updates
15 o /lib/firmware/UTS_RELEASE
16 o /lib/firmware
20 need firmware.
25 enable built-in firmware (CONFIG_EXTRA_FIRMWARE).
33 string "Build named firmware blobs into the kernel binary"
35 Device drivers which require firmware can typically deal with
36 having the kernel load firmware from the various supported
37 /lib/firmware/ paths. This option enables you to build into the
38 kernel firmware files. Built-in firmware searches are preceded
39 over firmware lookups using your filesystem over the supported
40 /lib/firmware paths documented on CONFIG_FW_LOADER.
42 This may be useful for testing or if the firmware is required early on
43 in boot and cannot rely on the firmware being placed in an initrd or
47 firmware files -- the same names that appear in MODULE_FIRMWARE()
50 /lib/firmware by default.
53 the usb8388.bin file into /lib/firmware, and build the kernel. Then
57 WARNING: If you include additional firmware files into your binary
64 string "Firmware blobs root directory"
66 default "/lib/firmware"
69 looks for the firmware files listed in the EXTRA_FIRMWARE option.
72 bool "Enable the firmware sysfs fallback mechanism"
75 This option enables a sysfs loading facility to enable firmware
78 firmware failed using the different /lib/firmware/ paths, or the
82 refer to Documentation/driver-api/firmware/fallback-mechanisms.rst.
84 The direct filesystem lookup for firmware is always used first now.
86 If the kernel's direct filesystem lookup for firmware fails to find
87 the requested firmware a sysfs fallback loading facility is made
92 acknowledge failure to find firmware as the timeout for the fallback
95 This used to be the default firmware loading facility, and udev used
96 to listen for uvents to load firmware for the kernel. The firmware
104 Since this was the default firmware loading facility at one point,
110 load firmware in case it is not found. One main reason for this may
111 be if you have drivers which require firmware built-in and for
112 whatever reason cannot place the required firmware in initramfs.
121 this may be that your firmware resides outside of the paths the kernel
128 to use it to look for and fetch the required firmware. Such type of
131 for provisioning. Since udev's firmware loading facility has been
133 want to load firmware based on uevents issued.
140 certain you need to support some really custom firmware loading
144 bool "Force the firmware sysfs fallback mechanism when possible"
148 to be used for all firmware requests which explicitly do not disable a
149 a fallback mechanism. Firmware calls which do prohibit a fallback
159 bool "Enable compressed firmware support"
163 This option enables the support for loading compressed firmware
164 files. The caller of firmware API receives the decompressed file
173 bool "Enable firmware caching during suspend"
177 Because firmware caching generates uevent messages that are sent