[FE training-materials-updates] Fixes for Linux 3.6

[Michael Opdenacker]

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

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=fcb70a6d9332609ab8f9e682eb10142103b72415

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

commit fcb70a6d9332609ab8f9e682eb10142103b72415
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Thu Oct 4 14:24:48 2012 +0200

    Fixes for Linux 3.6


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

fcb70a6d9332609ab8f9e682eb10142103b72415
 .../kernel-serial-interrupt.tex                    |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex b/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex
index 2ebb2b1..b1a0a62 100644
--- a/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex
+++ b/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex
@@ -22,17 +22,17 @@ This lab is a continuation of the {\em Output-only character driver
 NFS and mount \code{/home/<user>/felabs/linux/character/nfsroot/} as the root
 filesystem.
 
-For demonstration purpose we need to ensure that the tick system will
+For demonstration purposes, we need to ensure that the tick system will
 use the shared IRQ. So configure your kernel and {\em disable} TC
-Block Clocksource (\code{CONFIG_ATMEL_TCB_CLKSRC_BLOCK}). Then compile
+Block Clocksource (\code{CONFIG_ATMEL_TCB_CLKSRC}). Then compile
 and boot your new kernel.
 
 \section{Register the handler}
 
 First, declare an interrupt handler function. Then, in the module
 initialization function, register this handler to IRQ number
-\code{AT91_ID_SYS}. Note that this IRQ is shared, so the appropriate flags
-must be passed at registration time.
+\code{NR_IRQS_LEGACY + AT91_ID_SYS}. Note that this IRQ is shared,
+so the appropriate flags must be passed at registration time.
 
 Then, in the interrupt handler, just print a message and
 return \code{IRQ_NONE} (to tell the kernel that we haven't handled