From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: [PATCH v2 17/21] irqchip: gic: add an entry point to set up irqchip flags Date: Wed, 7 Jan 2015 17:42:52 +0000 Message-ID: <1420652576-22309-18-git-send-email-marc.zyngier@arm.com> References: <1420652576-22309-1-git-send-email-marc.zyngier@arm.com> Return-path: In-Reply-To: <1420652576-22309-1-git-send-email-marc.zyngier@arm.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: Stephen Warren , Thierry Reding , Alexandre Courbot , Benoit Cousson , Tony Lindgren , Nishanth Menon , Santosh Shilimkar , Shawn Guo , Sascha Hauer , Kukjin Kim , Simon Horman , Magnus Damm , Linus Walleij , Michal Simek , Rob Herring , Mark Rutland , Jason Cooper , Thomas Gleixner Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org List-Id: linux-omap@vger.kernel.org A common use of gic_arch_extn is to set up additional flags to the GIC irqchip. It looks like a benign enough hack that doesn't really require the users of that feature to be converted to stacked domains. Add a gic_set_irqchip_flags() function that platform code can call instead of using the dreaded gic_arch_extn. Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-gic.c | 5 +++++ include/linux/irqchip/arm-gic.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 9c30a76..23fe3be 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -877,6 +877,11 @@ static const struct irq_domain_ops gic_irq_domain_ops = { .xlate = gic_irq_domain_xlate, }; +void gic_set_irqchip_flags(unsigned long flags) +{ + gic_chip.flags |= flags; +} + void __init gic_init_bases(unsigned int gic_nr, int irq_start, void __iomem *dist_base, void __iomem *cpu_base, u32 percpu_offset, struct device_node *node) diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 3978c5b..36ec4ae 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -97,6 +97,7 @@ struct device_node; extern struct irq_chip gic_arch_extn; +void gic_set_irqchip_flags(unsigned long flags); void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *, u32 offset, struct device_node *); void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); -- 2.1.4