From fccdb5ae7e453eb7de5592bc4ed17d10d4d90125 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Sat, 21 Jul 2007 04:37:43 -0700 Subject: [PATCH] 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 Acked-by: Rafael J. Wysocki Acked-by: Nigel Cunningham Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/power/freezing-of-tasks.txt | 8 +++++--- 1 file 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. -- 2.20.1