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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2017-02-12 16:31:44 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-02-12 19:49:25 +0100 |
| commit | 899b5fbf9d3fcb721690b4d58cf58cc018517003 (patch) | |
| tree | bee7de44cc00633d1a5da4943adf43cad2e4de56 /kernel | |
| parent | f435da416beaacc8934fc21820d9488269b39c98 (diff) | |
| download | linux-899b5fbf9d3fcb721690b4d58cf58cc018517003.tar.bz2 | |
genirq/devres: Use dev_name(dev) as default for devname
Allow the devname parameter to be NULL and use dev_name(dev) in this case.
This should be an appropriate default for most use cases.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: http://lkml.kernel.org/r/05c63d67-30b4-7026-02d5-ce7fb7bc185f@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/devres.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c index 18babef39361..1613bfd48365 100644 --- a/kernel/irq/devres.c +++ b/kernel/irq/devres.c @@ -34,7 +34,7 @@ static int devm_irq_match(struct device *dev, void *res, void *data) * @thread_fn: function to be called in a threaded interrupt context. NULL * for devices which handle everything in @handler * @irqflags: Interrupt type flags - * @devname: An ascii name for the claiming device + * @devname: An ascii name for the claiming device, dev_name(dev) if NULL * @dev_id: A cookie passed back to the handler function * * Except for the extra @dev argument, this function takes the @@ -58,6 +58,9 @@ int devm_request_threaded_irq(struct device *dev, unsigned int irq, if (!dr) return -ENOMEM; + if (!devname) + devname = dev_name(dev); + rc = request_threaded_irq(irq, handler, thread_fn, irqflags, devname, dev_id); if (rc) { @@ -81,7 +84,7 @@ EXPORT_SYMBOL(devm_request_threaded_irq); * @thread_fn: function to be called in a threaded interrupt context. NULL * for devices which handle everything in @handler * @irqflags: Interrupt type flags - * @devname: An ascii name for the claiming device + * @devname: An ascii name for the claiming device, dev_name(dev) if NULL * @dev_id: A cookie passed back to the handler function * * Except for the extra @dev argument, this function takes the @@ -104,6 +107,9 @@ int devm_request_any_context_irq(struct device *dev, unsigned int irq, if (!dr) return -ENOMEM; + if (!devname) + devname = dev_name(dev); + rc = request_any_context_irq(irq, handler, irqflags, devname, dev_id); if (rc < 0) { devres_free(dr); |