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| author |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2017-02-10 13:23:23 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2017-02-10 14:39:20 +0100 |
| commit | 2b5e77308f3356faad640b24af6dc5aa7233eb2d (patch) | |
| tree | 9be3459eddd83c7c2ee84dd8ce2624f90b06a1e8 /include/linux/irq.h | |
| parent | Merge tag 'irqchip-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core (diff) | |
| download | wireguard-linux-2b5e77308f3356faad640b24af6dc5aa7233eb2d.tar.xz wireguard-linux-2b5e77308f3356faad640b24af6dc5aa7233eb2d.zip | |
irqdesc: Add a resource managed version of irq_alloc_descs()
Add a devres flavor of __devm_irq_alloc_descs() and corresponding
helper macros.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Link: http://lkml.kernel.org/r/1486729403-21132-1-git-send-email-bgolaszewski@baylibre.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index e79875574b39..d915caecafa1 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -715,6 +715,10 @@ unsigned int arch_dynirq_lower_bound(unsigned int from); int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, struct module *owner, const struct cpumask *affinity); +int __devm_irq_alloc_descs(struct device *dev, int irq, unsigned int from, + unsigned int cnt, int node, struct module *owner, + const struct cpumask *affinity); + /* use macros to avoid needing export.h for THIS_MODULE */ #define irq_alloc_descs(irq, from, cnt, node) \ __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE, NULL) @@ -731,6 +735,21 @@ int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, #define irq_alloc_descs_from(from, cnt, node) \ irq_alloc_descs(-1, from, cnt, node) +#define devm_irq_alloc_descs(dev, irq, from, cnt, node) \ + __devm_irq_alloc_descs(dev, irq, from, cnt, node, THIS_MODULE, NULL) + +#define devm_irq_alloc_desc(dev, node) \ + devm_irq_alloc_descs(dev, -1, 0, 1, node) + +#define devm_irq_alloc_desc_at(dev, at, node) \ + devm_irq_alloc_descs(dev, at, at, 1, node) + +#define devm_irq_alloc_desc_from(dev, from, node) \ + devm_irq_alloc_descs(dev, -1, from, 1, node) + +#define devm_irq_alloc_descs_from(dev, from, cnt, node) \ + devm_irq_alloc_descs(dev, -1, from, cnt, node) + void irq_free_descs(unsigned int irq, unsigned int cnt); static inline void irq_free_desc(unsigned int irq) { |