[bootlin/training-materials updates] master: sysdev/kernel: add sysfs for kgdboc (f13ec0e8)

[Clément Léger]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/f13ec0e81df10d312eed5405e372d8b00aa24867

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

commit f13ec0e81df10d312eed5405e372d8b00aa24867
Author: Clément Léger <clement.leger at bootlin.com>
Date:   Fri Nov 19 17:26:49 2021 +0100

    sysdev/kernel: add sysfs for kgdboc
    
    Signed-off-by: Clément Léger <clement.leger at bootlin.com>


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

f13ec0e81df10d312eed5405e372d8b00aa24867
 .../kernel-driver-development-debugging.tex                           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex b/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex
index 277233f8..1ec3e6b8 100644
--- a/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex
+++ b/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex
@@ -224,6 +224,10 @@ dev_info(&pdev->dev, "in probe\n");
     \item \code{kgdboc=<tty-device>,<bauds>}.
     \item For example: \code{kgdboc=ttyS0,115200}
     \end{itemize}
+  \item Or at runtime using sysfs:
+   \begin{itemize}
+   \item \code{echo ttyS0 > /sys/module/kgdboc/parameters/kgdboc}
+   \end{itemize}
   \end{itemize}
 \end{frame}