From 8d91ecc84d1b177d9bcce6ce8e82c64347ceac9d Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Mon, 18 Feb 2019 17:32:03 +0100
Subject: [PATCH] irq/irq_sim: add irq_set_type() callback
Implement the irq_set_type() callback and call irqd_set_trigger_type()
internally so that users interested in the configured trigger type can
later retrieve it using irqd_get_trigger_type(). We only support edge
trigger types.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
---
kernel/irq/irq_sim.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index 98a20e1594ce7..b992f88c56133 100644
--- a/kernel/irq/irq_sim.c
+++ b/kernel/irq/irq_sim.c
@@ -25,10 +25,22 @@ static void irq_sim_irqunmask(struct irq_data *data)
irq_ctx->enabled = true;
}
+static int irq_sim_set_type(struct irq_data *data, unsigned int type)
+{
+ /* We only support rising and falling edge trigger types. */
+ if (type & ~IRQ_TYPE_EDGE_BOTH)
+ return -EINVAL;
+
+ irqd_set_trigger_type(data, type);
+
+ return 0;
+}
+
static struct irq_chip irq_sim_irqchip = {
.name = "irq_sim",
.irq_mask = irq_sim_irqmask,
.irq_unmask = irq_sim_irqunmask,
+ .irq_set_type = irq_sim_set_type,
};
static void irq_sim_handle_irq(struct irq_work *work)
--
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