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authorCharles Keepax <ckeepax@opensource.cirrus.com>2018-10-19 09:59:57 +0100
committerWolfram Sang <wsa@the-dreams.de>2018-10-31 23:33:14 +0000
commitb9bb3fdf4e870fb655064f5c3c81c1fee7fd89ce (patch)
treefb801c0427da3a0aba905a464cd163b6c2295114 /drivers/i2c/i2c-core-base.c
parent9bb9d4fdce9e6b351b7b905f150745a0fccccc06 (diff)
downloadlinux-b9bb3fdf4e870fb655064f5c3c81c1fee7fd89ce.tar.gz
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>
Diffstat (limited to 'drivers/i2c/i2c-core-base.c')
-rw-r--r--drivers/i2c/i2c-core-base.c5
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;
 }