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Subject[PATCH 1/2] i2c: Remove unnecessary call to irq_find_mapping
Date
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>
---
drivers/i2c/i2c-core-base.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index dc78aa7369def..656f0a6fe3adf 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;
}
--
2.11.0
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