From: Charles Keepax ckeepax@opensource.cirrus.com
commit b9bb3fdf4e870fb655064f5c3c81c1fee7fd89ce upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/i2c/i2c-core-base.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
--- 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( 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; }