[PATCH v8 21/26] irqchip/gic: Add functions to access irq priorities
From: Julien Thierry <hidden>
Date: 2019-01-08 14:08:52
Also in:
lkml
Subsystem:
arm generic interrupt controller drivers, irqchip drivers, the rest · Maintainers:
Marc Zyngier, Thomas Gleixner, Linus Torvalds
Add accessors to the GIC distributor/redistributors priority registers. Signed-off-by: Julien Thierry <redacted> Cc: Thomas Gleixner <redacted> Cc: Jason Cooper <redacted> Cc: Marc Zyngier <redacted> --- drivers/irqchip/irq-gic-common.c | 10 ++++++++++ drivers/irqchip/irq-gic-common.h | 2 ++ 2 files changed, 12 insertions(+)
diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c
index 3c93c6f..04eadbc 100644
--- a/drivers/irqchip/irq-gic-common.c
+++ b/drivers/irqchip/irq-gic-common.c@@ -110,6 +110,16 @@ int gic_configure_irq(unsigned int irq, unsigned int type, return ret; } +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio) +{ + writeb_relaxed(prio, base + GIC_DIST_PRI + irq); +} + +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base) +{ + return readb_relaxed(base + GIC_DIST_PRI + irq); +} + void gic_dist_config(void __iomem *base, int gic_irqs, void (*sync_access)(void)) {
diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h
index 97e58fb..f1c6f5a 100644
--- a/drivers/irqchip/irq-gic-common.h
+++ b/drivers/irqchip/irq-gic-common.h@@ -38,6 +38,8 @@ void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks, void *data); void gic_enable_of_quirks(const struct device_node *np, const struct gic_quirk *quirks, void *data); +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio); +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base); void gic_set_kvm_info(const struct gic_kvm_info *info);
--
1.9.1
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