Messages in this thread Patch in this message | | | From | Gregory CLEMENT <> | Subject | [PATCH v3 3/4] ARM: mvebu: Allow using the GIC for wakeup in standby mode | Date | Fri, 3 Jul 2015 13:55:52 +0200 |
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On the Armada 375/38x/39x SoCs, in standby mode the SoCs stay powered and it is possible to wake-up from any interrupt sources. This patch adds flag to the GIC irqchip driver to let linux know this.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> --- arch/arm/mach-mvebu/board-v7.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/arm/mach-mvebu/board-v7.c b/arch/arm/mach-mvebu/board-v7.c index e5911defccac..b789f7037445 100644 --- a/arch/arm/mach-mvebu/board-v7.c +++ b/arch/arm/mach-mvebu/board-v7.c @@ -18,6 +18,7 @@ #include <linux/of_address.h> #include <linux/of_fdt.h> #include <linux/of_platform.h> +#include <linux/irq.h> #include <linux/io.h> #include <linux/clocksource.h> #include <linux/dma-mapping.h> @@ -26,6 +27,7 @@ #include <linux/signal.h> #include <linux/slab.h> #include <linux/irqchip.h> +#include <linux/irqchip/arm-gic.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -129,6 +131,13 @@ static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr, static void __init mvebu_init_irq(void) { + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic"); + if (np) + gic_set_irqchip_flags(IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_MASK_ON_SUSPEND); + of_node_put(np); irqchip_init(); mvebu_scu_enable(); coherency_init(); -- 2.1.0
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