[bootlin/training-materials updates] master: slides/kernel-misc-subsystem: add explanations about the "parent" pointer (4b38fc40)
Thomas Petazzoni
thomas.petazzoni at bootlin.com
Thu Jun 4 08:07:24 CEST 2020
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/4b38fc40256c85aaae7bb677a2913869b7cdbf3e
>---------------------------------------------------------------
commit 4b38fc40256c85aaae7bb677a2913869b7cdbf3e
Author: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Date: Thu Jun 4 08:07:24 2020 +0200
slides/kernel-misc-subsystem: add explanations about the "parent" pointer
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
>---------------------------------------------------------------
4b38fc40256c85aaae7bb677a2913869b7cdbf3e
slides/kernel-misc-subsystem/kernel-misc-subsystem.tex | 2 ++
1 file changed, 2 insertions(+)
diff --git a/slides/kernel-misc-subsystem/kernel-misc-subsystem.tex b/slides/kernel-misc-subsystem/kernel-misc-subsystem.tex
index f8e617c2..a7b833be 100644
--- a/slides/kernel-misc-subsystem/kernel-misc-subsystem.tex
+++ b/slides/kernel-misc-subsystem/kernel-misc-subsystem.tex
@@ -74,6 +74,8 @@ struct miscdevice {
\item \code{fops}, pointer to the same \kstruct{file_operations} structure
that is used for raw character drivers, describing which functions
implement the {\em read}, {\em write}, {\em ioctl}, etc. operations.
+ \item \code{parent}, pointer to the \code{struct device} of the
+ underlying ``physical'' device (platform device, I2C device, etc.)
\end{itemize}
\end{frame}
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