firmware_request_nowarn(9)
β¨ firmware_request_nowarn β¨
okay so this page lives in the Kernel API Manual (section 9, kernel-space era π«Ά) and it's about grabbing a firmware blob quietly β no drama, no warnings, just vibes.
πΈ NAME πΈ
firmware_request_nowarn β request for an optional fw module
π¦ SYNOPSIS π¦
int firmware_request_nowarn (const struct firmware **firmware , const
char *name , struct device *device );
π ARGUMENTS π
firmwareβ pointer to firmware image πnameβ name of firmware filedeviceβ device for which firmware is being loaded
π DESCRIPTION π
bestie, this one is basically request_firmware's chill sibling. same energy, same behaviour β except it doesn't produce warning messages when the file is not found. like, it simply does not make a scene. π
the sysfs fallback mechanism is enabled if the direct filesystem lookup fails. however β and this is the part where you gotta pay attention β failures to find the firmware file with it are still suppressed. so it's quiet all the way down.
which means it is therefore up to the driver to check for the return value of this call and to decide when to inform the users of errors. no cap, the kernel is not gonna tell them for you β that's your job, main character. π
π SEE ALSO π
the kernel file in question: ./drivers/base/firmware_loader/main.c
and the whole friend group, fr fr:
request_firmware(9)request_firmware_direct(9)firmware_request_platform(9)firmware_request_cache(9)request_firmware_into_buf(9)request_partial_firmware_into_buf(9)release_firmware(9)request_firmware_nowait(9)firmware_request_nowait_nowarn(9)request_firmware_nowait_cancel(9)cache_firmware(9)uncache_firmware(9)device_cache_fw_images(9)device_uncache_fw_images(9)device_uncache_fw_images_delay(9)
and that's the whole page, babe π huge slay, no notes. brought to you from ./drivers/base/firmware_loader, dated October 2026, ships with the Kernel API Manual, and it's giving iconic. go forth and load your firmware quietly. π§β¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms