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commit783422e704upstream. In DeviceTree path, when ht_vec_base is not zero, the hwirq of PCH PIC will be assigned incorrectly. Because when pch_pic_domain_translate() adds the ht_vec_base to hwirq, the hwirq does not have the ht_vec_base subtracted when calling irq_domain_set_info(). The ht_vec_base is designed for the parent irq chip/domain of the PCH PIC. It seems not proper to deal this in callbacks of the PCH PIC domain and let's put this back like the initial commitef8c01eb64("irqchip: Add Loongson PCH PIC controller"). Fixes:bcdd75c596("irqchip/loongson-pch-pic: Add ACPI init support") Cc: stable@vger.kernel.org Reviewed-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Liu Peibao <liupeibao@loongson.cn> Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20230614115936.5950-3-lvjianmin@loongson.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.