The patch titled
Documentation:reference notifiers.txt in freezing-of-tasks.txt
has been added to the -mm tree. Its filename is
documentationreference-notifierstxt-in-freezing-of-taskstxt.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Documentation:reference notifiers.txt in freezing-of-tasks.txt
From: Oliver Neukum <oliver@xxxxxxxxxx>
freezing-of-tasks.txt mentions firmware issues without mentioning the use
of the new notifier API to overcome them. Here's an update.
Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>
Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Nigel Cunningham <nigel@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/power/freezing-of-tasks.txt | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff -puN Documentation/power/freezing-of-tasks.txt~documentationreference-notifierstxt-in-freezing-of-taskstxt Documentation/power/freezing-of-tasks.txt
--- a/Documentation/power/freezing-of-tasks.txt~documentationreference-notifierstxt-in-freezing-of-taskstxt
+++ a/Documentation/power/freezing-of-tasks.txt
@@ -155,6 +155,8 @@ Suppose, however, that the firmware file
only through another device that hasn't been resumed yet. In that case,
request_firmware() will fail regardless of whether or not the freezing of tasks
is used. Consequently, the problem is not really related to the freezing of
-tasks, since it generally exists anyway. [The solution to this particular
-problem is to keep the firmware in memory after it's loaded for the first time
-and upload if from memory to the device whenever necessary.]
+tasks, since it generally exists anyway.
+
+A driver must have all firmwares it may need in RAM before suspend() is called.
+If keeping them is not practical, for example due to their size, they must be
+requested early enough using the suspend notifier API described in notifiers.txt.
_
Patches currently in -mm which might be from oliver@xxxxxxxxxx are
origin.patch
documentationreference-notifierstxt-in-freezing-of-taskstxt.patch
-
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