i2c: Remove unnecessary call to irq_find_mapping

irq_create_mapping calls irq_find_mapping internally and will use the
found mapping if one exists, so there is no need to manually call this
from i2c_smbus_host_notify_to_irq.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index dc78aa7369de..656f0a6fe3ad 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -306,10 +306,7 @@ static int i2c_smbus_host_notify_to_irq(const struct i2c_client *client)
         if (client->flags & I2C_CLIENT_TEN)
                 return -EINVAL;
 
-        irq = irq_find_mapping(adap->host_notify_domain, client->addr);
-        if (!irq)
-                irq = irq_create_mapping(adap->host_notify_domain,
-                                         client->addr);
+        irq = irq_create_mapping(adap->host_notify_domain, client->addr);
 
         return irq > 0 ? irq : -ENXIO;
 }