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path: root/drivers/base/platform.c
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Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 6482d47deb50..c4af00385502 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -97,7 +97,7 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
int ret;
ret = of_irq_get(dev->dev.of_node, num);
- if (ret >= 0 || ret == -EPROBE_DEFER)
+ if (ret > 0 || ret == -EPROBE_DEFER)
return ret;
}
@@ -108,9 +108,14 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
* IORESOURCE_BITS correspond 1-to-1 to the IRQF_TRIGGER*
* settings.
*/
- if (r && r->flags & IORESOURCE_BITS)
- irqd_set_trigger_type(irq_get_irq_data(r->start),
- r->flags & IORESOURCE_BITS);
+ if (r && r->flags & IORESOURCE_BITS) {
+ struct irq_data *irqd;
+
+ irqd = irq_get_irq_data(r->start);
+ if (!irqd)
+ return -ENXIO;
+ irqd_set_trigger_type(irqd, r->flags & IORESOURCE_BITS);
+ }
return r ? r->start : -ENXIO;
#endif
@@ -175,7 +180,7 @@ int platform_get_irq_byname(struct platform_device *dev, const char *name)
int ret;
ret = of_irq_get_byname(dev->dev.of_node, name);
- if (ret >= 0 || ret == -EPROBE_DEFER)
+ if (ret > 0 || ret == -EPROBE_DEFER)
return ret;
}
@@ -434,6 +439,7 @@ void platform_device_del(struct platform_device *pdev)
int i;
if (pdev) {
+ device_remove_properties(&pdev->dev);
device_del(&pdev->dev);
if (pdev->id_auto) {
@@ -446,8 +452,6 @@ void platform_device_del(struct platform_device *pdev)
if (r->parent)
release_resource(r);
}
-
- device_remove_properties(&pdev->dev);
}
}
EXPORT_SYMBOL_GPL(platform_device_del);