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authorJan Kara <jack@suse.cz>2019-11-06 10:52:10 +0100
committerJan Kara <jack@suse.cz>2019-11-06 10:52:10 +0100
commitdae82c7fd0926840c832151f3258ba751f73d348 (patch)
tree5cdef8359f6cfb964919ffb0bfa36d2de60140b1 /drivers/base/platform.c
parenta9913d7eafa74eb2e34e26aa31fe80449b999f8e (diff)
parenta0828b6ccbdfd46afbbaa9f28df359081c29109b (diff)
Pull series refactoring quota enabling and disabling code.
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c46
1 files changed, 39 insertions, 7 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index b6c6c7d97d5b..b230beb6ccb4 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -241,12 +241,8 @@ struct resource *platform_get_resource_byname(struct platform_device *dev,
}
EXPORT_SYMBOL_GPL(platform_get_resource_byname);
-/**
- * platform_get_irq_byname - get an IRQ for a device by name
- * @dev: platform device
- * @name: IRQ name
- */
-int platform_get_irq_byname(struct platform_device *dev, const char *name)
+static int __platform_get_irq_byname(struct platform_device *dev,
+ const char *name)
{
struct resource *r;
@@ -262,12 +258,48 @@ int platform_get_irq_byname(struct platform_device *dev, const char *name)
if (r)
return r->start;
- dev_err(&dev->dev, "IRQ %s not found\n", name);
return -ENXIO;
}
+
+/**
+ * platform_get_irq_byname - get an IRQ for a device by name
+ * @dev: platform device
+ * @name: IRQ name
+ *
+ * Get an IRQ like platform_get_irq(), but then by name rather then by index.
+ *
+ * Return: IRQ number on success, negative error number on failure.
+ */
+int platform_get_irq_byname(struct platform_device *dev, const char *name)
+{
+ int ret;
+
+ ret = __platform_get_irq_byname(dev, name);
+ if (ret < 0 && ret != -EPROBE_DEFER)
+ dev_err(&dev->dev, "IRQ %s not found\n", name);
+
+ return ret;
+}
EXPORT_SYMBOL_GPL(platform_get_irq_byname);
/**
+ * platform_get_irq_byname_optional - get an optional IRQ for a device by name
+ * @dev: platform device
+ * @name: IRQ name
+ *
+ * Get an optional IRQ by name like platform_get_irq_byname(). Except that it
+ * does not print an error message if an IRQ can not be obtained.
+ *
+ * Return: IRQ number on success, negative error number on failure.
+ */
+int platform_get_irq_byname_optional(struct platform_device *dev,
+ const char *name)
+{
+ return __platform_get_irq_byname(dev, name);
+}
+EXPORT_SYMBOL_GPL(platform_get_irq_byname_optional);
+
+/**
* platform_add_devices - add a numbers of platform devices
* @devs: array of platform devices to add
* @num: number of platform devices in array