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| author | Linux Build Service Account <lnxbuild@localhost> | 2016-09-11 23:19:14 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-09-11 23:19:13 -0700 |
| commit | f31b1001e1da778af43e20db693949ee4b9417b5 (patch) | |
| tree | 5478100a51c8d221930f6e1f2968088a1473bc86 /drivers/base | |
| parent | 911e592fdc0d6c8f63ea2aec181122a5621d4cee (diff) | |
| parent | daa482503de812c4f8b147bf30459ad20a65d225 (diff) | |
Merge "pinctrl: qcom: spmi-gpio: Add support for GPIO LV/MV subtype"
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/platform.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 176b59f5bc47..bd70f8db469b 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -117,6 +117,26 @@ int platform_get_irq(struct platform_device *dev, unsigned int num) EXPORT_SYMBOL_GPL(platform_get_irq); /** + * platform_irq_count - Count the number of IRQs a platform device uses + * @dev: platform device + * + * Return: Number of IRQs a platform device uses or EPROBE_DEFER + */ +int platform_irq_count(struct platform_device *dev) +{ + int ret, nr = 0; + + while ((ret = platform_get_irq(dev, nr)) >= 0) + nr++; + + if (ret == -EPROBE_DEFER) + return ret; + + return nr; +} +EXPORT_SYMBOL_GPL(platform_irq_count); + +/** * platform_get_resource_byname - get a resource for a device by name * @dev: platform device * @type: resource type |