The following commit has been merged into the irq/core branch of tip:
Commit-ID: 883ccef355b910398b99dfaf96d40557479a7e9b
Gitweb: https://git.kernel.org/tip/883ccef355b910398b99dfaf96d40557479a7e9b
Author: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
AuthorDate: Mon, 01 Mar 2021 15:26:59 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 30 Mar 2021 13:21:27 +02:00
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@xxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210301142659.8971-1-brgl@xxxxxxxx
---
kernel/irq/irq_sim.c | 31 ++++++++++++-------------------
1 file changed, 12 insertions(+), 19 deletions(-)
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index 4800660..6e935d4 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);
|