irqchip/irq-realtek-rtl: Split out parent setup code

The parent interrupt setup will be extended to support multiple parents.

To prepare for that, relocate the code into a separate helper. Although it
still works only for a single interrupt prepare the coding so it can be
easily extended with a loop for multi parent support. For this reduce the
line lengths so that the upcoming indentation still leaves the width below
100 characters.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260605211646.2101652-3-markus.stockhausen@gmx.de

0 files changed, 0 insertions, 0 deletions