Commit-ID: 899b5fbf9d3fcb721690b4d58cf58cc018517003
Gitweb: http://git.kernel.org/tip/899b5fbf9d3fcb721690b4d58cf58cc018517003
Author: Heiner Kallweit <hkallweit1@xxxxxxxxx>
AuthorDate: Sun, 12 Feb 2017 16:31:44 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Sun, 12 Feb 2017 19:49:25 +0100
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@xxxxxxxxx>
Link: http://lkml.kernel.org/r/05c63d67-30b4-7026-02d5-ce7fb7bc185f@xxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/irq/devres.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
index 18babef..1613bfd 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);
--
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