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[ Upstream commit 2eca4731cc66563b3919d8753dbd74d18c39f662 ] There are 2 TITSR registers available on the IA55 interrupt controller. Add a macro that retrieves the TITSR register offset based on it's index. This macro is useful in when adding suspend/resume support so both TITSR registers can be accessed in a for loop. Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20231120111820.87398-7-claudiu.beznea.uj@bp.renesas.com Stable-dep-of: 853a6030303f ("irqchip/renesas-rzg2l: Prevent spurious interrupts when setting trigger type") Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.