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path: root/drivers/i2c/i2c-smbus.c
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Diffstat (limited to 'drivers/i2c/i2c-smbus.c')
-rw-r--r--drivers/i2c/i2c-smbus.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
index d0bb0358b578..5a1dd7f13bac 100644
--- a/drivers/i2c/i2c-smbus.c
+++ b/drivers/i2c/i2c-smbus.c
@@ -21,6 +21,7 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_irq.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
@@ -139,7 +140,14 @@ static int smbalert_probe(struct i2c_client *ara,
if (!alert)
return -ENOMEM;
- irq = setup->irq;
+ if (setup) {
+ irq = setup->irq;
+ } else {
+ irq = of_irq_get_byname(adapter->dev.of_node, "smbus_alert");
+ if (irq <= 0)
+ return irq;
+ }
+
INIT_WORK(&alert->alert, smbalert_work);
alert->ara = ara;