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author | Oliver Neukum <oliver@neukum.org> | 2007-07-21 04:37:43 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 17:49:16 -0700 |
commit | fccdb5ae7e453eb7de5592bc4ed17d10d4d90125 (patch) | |
tree | c85dd84f8e7db1629d20ebc468ba42249d970e4c /Documentation | |
parent | d6269543ef24aa012aa228c27af3adb074f7b36b (diff) | |
download | linux-fccdb5ae7e453eb7de5592bc4ed17d10d4d90125.tar.gz linux-fccdb5ae7e453eb7de5592bc4ed17d10d4d90125.tar.bz2 linux-fccdb5ae7e453eb7de5592bc4ed17d10d4d90125.zip |
Documentation:reference notifiers.txt in freezing-of-tasks.txt
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@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/power/freezing-of-tasks.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/power/freezing-of-tasks.txt b/Documentation/power/freezing-of-tasks.txt index af1a282c71a3..04dc1cf9d215 100644 --- a/Documentation/power/freezing-of-tasks.txt +++ b/Documentation/power/freezing-of-tasks.txt @@ -155,6 +155,8 @@ Suppose, however, that the firmware file is located on a filesystem accessible 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. |