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authorUwe Kleine-König <uwe@kleine-koenig.org>2019-10-09 11:37:46 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-11 08:37:16 +0200
commitec4e29068839e00ff99ae94ccbb46123f0a0ba9d (patch)
tree7d6279f54f193f969f536c15c5ec042ffb60b786 /drivers/base/platform.c
parentc31e73121f4c1ec45a3e523ac6ce3ce6dafdcec1 (diff)
driver core: simplify definitions of platform_get_irq*
platform_get_irq_optional is just a wrapper for __platform_get_irq. So rename __platform_get_irq to platform_get_irq_optional and drop platform_get_irq_optional's previous implementation. This way there is one function and one indirection less without loss of functionality. Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/20191009093746.12095-1-uwe@kleine-koenig.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index be1e67ee3af6..b0263dcf068f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -80,7 +80,24 @@ void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev,
EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource);
#endif /* CONFIG_HAS_IOMEM */
-static int __platform_get_irq(struct platform_device *dev, unsigned int num)
+/**
+ * platform_get_irq_optional - get an optional IRQ for a device
+ * @dev: platform device
+ * @num: IRQ number index
+ *
+ * Gets an IRQ for a platform device. Device drivers should check the return
+ * value for errors so as to not pass a negative integer value to the
+ * request_irq() APIs. This is the same as platform_get_irq(), except that it
+ * does not print an error message if an IRQ can not be obtained.
+ *
+ * Example:
+ * int irq = platform_get_irq_optional(pdev, 0);
+ * if (irq < 0)
+ * return irq;
+ *
+ * Return: IRQ number on success, negative error number on failure.
+ */
+int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
{
#ifdef CONFIG_SPARC
/* sparc does not have irqs represented as IORESOURCE_IRQ resources */
@@ -144,6 +161,7 @@ static int __platform_get_irq(struct platform_device *dev, unsigned int num)
return -ENXIO;
#endif
}
+EXPORT_SYMBOL_GPL(platform_get_irq_optional);
/**
* platform_get_irq - get an IRQ for a device
@@ -165,7 +183,7 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
{
int ret;
- ret = __platform_get_irq(dev, num);
+ ret = platform_get_irq_optional(dev, num);
if (ret < 0 && ret != -EPROBE_DEFER)
dev_err(&dev->dev, "IRQ index %u not found\n", num);
@@ -174,29 +192,6 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
EXPORT_SYMBOL_GPL(platform_get_irq);
/**
- * platform_get_irq_optional - get an optional IRQ for a device
- * @dev: platform device
- * @num: IRQ number index
- *
- * Gets an IRQ for a platform device. Device drivers should check the return
- * value for errors so as to not pass a negative integer value to the
- * request_irq() APIs. This is the same as platform_get_irq(), except that it
- * does not print an error message if an IRQ can not be obtained.
- *
- * Example:
- * int irq = platform_get_irq_optional(pdev, 0);
- * if (irq < 0)
- * return irq;
- *
- * Return: IRQ number on success, negative error number on failure.
- */
-int platform_get_irq_optional(struct platform_device *dev, unsigned int num)
-{
- return __platform_get_irq(dev, num);
-}
-EXPORT_SYMBOL_GPL(platform_get_irq_optional);
-
-/**
* platform_irq_count - Count the number of IRQs a platform device uses
* @dev: platform device
*
@@ -206,7 +201,7 @@ int platform_irq_count(struct platform_device *dev)
{
int ret, nr = 0;
- while ((ret = __platform_get_irq(dev, nr)) >= 0)
+ while ((ret = platform_get_irq_optional(dev, nr)) >= 0)
nr++;
if (ret == -EPROBE_DEFER)