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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2021-03-01 15:26:59 +0100
committerThomas Gleixner <tglx@linutronix.de>2021-03-30 13:21:27 +0200
commit883ccef355b910398b99dfaf96d40557479a7e9b (patch)
tree5b2758a4ed190251a7a34f731131e065a2c5e558 /kernel/irq
parent6e457914935a3161eeb74e319abf9fd511aa1e4d (diff)
downloadlinux-883ccef355b910398b99dfaf96d40557479a7e9b.tar.bz2
genirq/irq_sim: Shrink devm_irq_domain_create_sim()
The custom devres structure manages only a single pointer which can can be achieved by using devm_add_action_or_reset() as well which makes the code simpler. [ tglx: Fixed return value handling - found by smatch ] Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210301142659.8971-1-brgl@bgdev.pl
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/irq_sim.c31
1 files changed, 12 insertions, 19 deletions
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index 48006608baf0..6e935d4d1ec5 100644
--- a/kernel/irq/irq_sim.c
+++ b/kernel/irq/irq_sim.c
@@ -24,10 +24,6 @@ struct irq_sim_irq_ctx {
struct irq_sim_work_ctx *work_ctx;
};
-struct irq_sim_devres {
- struct irq_domain *domain;
-};
-
static void irq_sim_irqmask(struct irq_data *data)
{
struct irq_sim_irq_ctx *irq_ctx = irq_data_get_irq_chip_data(data);
@@ -216,11 +212,11 @@ void irq_domain_remove_sim(struct irq_domain *domain)
}
EXPORT_SYMBOL_GPL(irq_domain_remove_sim);
-static void devm_irq_domain_release_sim(struct device *dev, void *res)
+static void devm_irq_domain_remove_sim(void *data)
{
- struct irq_sim_devres *this = res;
+ struct irq_domain *domain = data;
- irq_domain_remove_sim(this->domain);
+ irq_domain_remove_sim(domain);
}
/**
@@ -238,20 +234,17 @@ struct irq_domain *devm_irq_domain_create_sim(struct device *dev,
struct fwnode_handle *fwnode,
unsigned int num_irqs)
{
- struct irq_sim_devres *dr;
+ struct irq_domain *domain;
+ int ret;
- dr = devres_alloc(devm_irq_domain_release_sim,
- sizeof(*dr), GFP_KERNEL);
- if (!dr)
- return ERR_PTR(-ENOMEM);
+ domain = irq_domain_create_sim(fwnode, num_irqs);
+ if (IS_ERR(domain))
+ return domain;
- dr->domain = irq_domain_create_sim(fwnode, num_irqs);
- if (IS_ERR(dr->domain)) {
- devres_free(dr);
- return dr->domain;
- }
+ ret = devm_add_action_or_reset(dev, devm_irq_domain_remove_sim, domain);
+ if (ret)
+ return ERR_PTR(ret);
- devres_add(dev, dr);
- return dr->domain;
+ return domain;
}
EXPORT_SYMBOL_GPL(devm_irq_domain_create_sim);