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| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-02-18 17:32:03 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-02-19 17:42:28 +0100 |
| commit | 8d91ecc84d1b177d9bcce6ce8e82c64347ceac9d (patch) | |
| tree | 9070e8197d26c5f4ec8dcc3e5ded5116199a2843 /kernel/irq | |
| parent | 68b7587baabfa42ca5625b709691358fee51b9d8 (diff) | |
| download | linux-8d91ecc84d1b177d9bcce6ce8e82c64347ceac9d.tar.gz linux-8d91ecc84d1b177d9bcce6ce8e82c64347ceac9d.tar.bz2 linux-8d91ecc84d1b177d9bcce6ce8e82c64347ceac9d.zip | |
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>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/irq_sim.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c index 98a20e1594ce..b992f88c5613 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) |