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Fixes: 6058bb362818 'ARM: sun7i/sun6i: irqchip: Add irqchip driver for NMI controller'
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1433684009.9134.1.camel@ingics.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Pass in the irq_chip_generic struct so we can use different readl/writel
settings for each irqchip driver, when appropriate. Compute
(gc->reg_base + reg_offset) in the helper function because this is pretty
much what all callers want to do anyway.
Compile-tested using the following configurations:
at91_dt_defconfig (CONFIG_ATMEL_AIC_IRQ=y)
sama5_defconfig (CONFIG_ATMEL_AIC5_IRQ=y)
sunxi_defconfig (CONFIG_ARCH_SUNXI=y)
tb10x (ARC) is untested.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/1415342669-30640-3-git-send-email-cernekee@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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It is advisable to disable the NMI before registering the IRQ handler as
registering the IRQ handler unmasks the IRQ on the GIC, so if U-Boot has
left the NMI enabled and the NMI pin is active we will immediately get
an interrupt before any driver has claimed the downstream interrupt of
the NMI.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Carlo Caione <carlo@caione.org>
Cc: maxime.ripard@free-electrons.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@googlegroups.com
Link: http://lkml.kernel.org/r/1395939759-11135-3-git-send-email-carlo@caione.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Allwinner A20/A31 SoCs have special registers to control / (un)mask /
acknowledge NMI. This NMI controller is separated and independent from GIC.
This patch adds a new irqchip to manage NMI.
Signed-off-by: Carlo Caione <carlo@caione.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@googlegroups.com
Cc: mark.rutland@arm.com
Cc: hdegoede@redhat.com
Link: http://lkml.kernel.org/r/1395256879-8475-2-git-send-email-carlo@caione.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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