[FE training-materials-updates] labs/sysdev-kernel-fetch-and-patch: use 3.2.20 and not 3.2.21

[Thomas Petazzoni]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=e1bd5f231c93cfa8c704c06f21bb9d2ccb937ccb

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commit e1bd5f231c93cfa8c704c06f21bb9d2ccb937ccb
Author: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Date:   Tue Oct 16 17:48:22 2012 +0200

    labs/sysdev-kernel-fetch-and-patch: use 3.2.20 and not 3.2.21
    
    Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>


>---------------------------------------------------------------

e1bd5f231c93cfa8c704c06f21bb9d2ccb937ccb
 .../sysdev-kernel-fetch-and-patch.tex              |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/labs/sysdev-kernel-fetch-and-patch/sysdev-kernel-fetch-and-patch.tex b/labs/sysdev-kernel-fetch-and-patch/sysdev-kernel-fetch-and-patch.tex
index deb485c..c55c9e0 100644
--- a/labs/sysdev-kernel-fetch-and-patch/sysdev-kernel-fetch-and-patch.tex
+++ b/labs/sysdev-kernel-fetch-and-patch/sysdev-kernel-fetch-and-patch.tex
@@ -39,6 +39,10 @@ Download the 2 patch files corresponding to the latest 3.2 stable
 release: a first patch to move from 3.1 to 3.2 and a second patch to
 move from 3.2 to 3.2.x.
 
+{\em Note: at the time of this writing, kernel 3.2.21 has introduced a
+  build regression on OMAP platforms related to the Bluetooth
+  subsystem, so we suggest to use 3.2.20 instead.}
+
 Without uncompressing them (!), apply the 2 patches to the Linux
 source directory.