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i2c: Remove unnecessary call to irq_find_mapping

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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>
This commit is contained in:
Charles Keepax 2018-10-19 09:59:57 +01:00 committed by Wolfram Sang
parent 9bb9d4fdce
commit b9bb3fdf4e
1 changed files with 1 additions and 4 deletions
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5
drivers/i2c/i2c-core-base.c
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@ -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;
}