[PATCH 3/5] ARM: mvebu: Allow using the GIC for wakeup in standby mode
From: Gregory CLEMENT <hidden>
Date: 2015-03-30 14:05:54
Also in:
lkml
Subsystem:
arm port, arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, the rest · Maintainers:
Russell King, Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Torvalds
On the Armada 375/38x/39x SoCs, in standby mode the SoC 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 <redacted> --- arch/arm/mach-mvebu/board-v7.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm/mach-mvebu/board-v7.c b/arch/arm/mach-mvebu/board-v7.c
index 89a139ed7d5b..61774279a66d 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 +131,11 @@ static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr, static void __init mvebu_init_irq(void) { + if (of_machine_is_compatible("marvell,armada375") || + of_machine_is_compatible("marvell,armada380") || + of_machine_is_compatible("marvell,armada390")) + gic_set_irqchip_flags(IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_MASK_ON_SUSPEND); irqchip_init(); mvebu_scu_enable(); coherency_init();
--
2.1.0