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Currently we use bitmap_alloc() to allocate msi bitmap which should be
initialized with zero. This is obviously wrong but it works because msi
can fallback to legacy interrupt mode. So use bitmap_zalloc() instead.
Fixes: 632dcc2c75ef6de3272aa ("irqchip: Add Loongson PCH MSI controller")
Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210209071051.2078435-1-chenhuacai@loongson.cn
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The irq-csky-mpintc driver is only supported on CPU_CK860 and
it will generate a compilation error when selected with CPU_CK610.
As it is already selected directly in the architecture Kconfig,
drop the option to select it manually.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
[maz: rewrote commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210204074609.3553018-1-guoren@kernel.org
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This is a standard IRQ driver with only status and mask registers.
The mapping from SoC interrupts (18-31) to MIPS core interrupts is
done via an interrupt-map in device tree.
Signed-off-by: Bert Vermeulen <bert@biot.com>
Signed-off-by: Birger Koblitz <mail@birger-koblitz.de>
Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210122204224.509124-3-bert@biot.com
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Huacai Chen
Guo Ren
Bert Vermeulen