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-rw-r--r--Documentation/driver-api/firmware/request_firmware.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/driver-api/firmware/request_firmware.rst b/Documentation/driver-api/firmware/request_firmware.rst
index cc0aea880824..1c2c4967cd43 100644
--- a/Documentation/driver-api/firmware/request_firmware.rst
+++ b/Documentation/driver-api/firmware/request_firmware.rst
@@ -44,6 +44,17 @@ request_firmware_nowait
.. kernel-doc:: drivers/base/firmware_class.c
:functions: request_firmware_nowait
+Considerations for suspend and resume
+=====================================
+
+During suspend and resume only the built-in firmware and the firmware cache
+elements of the firmware API can be used. This is managed by fw_pm_notify().
+
+fw_pm_notify
+------------
+.. kernel-doc:: drivers/base/firmware_class.c
+ :functions: fw_pm_notify
+
request firmware API expected driver use
========================================