| Message ID | 1435924553-22428-4-git-send-email-gregory.clement@free-electrons.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
Hi, On 03/07/2015 13:55, Gregory CLEMENT wrote: > 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> I eventually remove this patch, as now these two flags are part of the GIC driver: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?h=irq/core&id=0d3f2c92e004c67404fabea19728c1962b777bd6 Gregory > --- > 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(); >
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();
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(+)