[PATCH] i2c: core: do not use logical device when creating irq domain

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Let's rather use its physical parent device to give proper namings and
connections in debugfs.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---

This turns the name from "unknown-1" to ":soc:i2c@e6540000" in debugfs
for my use case.

@Benjamin: I am not aware of any other side effects or regression
possibilites. Do you see any?

 drivers/i2c/i2c-core-base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index dc43242a85ba..69217d2193da 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -1227,7 +1227,7 @@ static int i2c_setup_host_notify_irq_domain(struct i2c_adapter *adap)
 	if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_HOST_NOTIFY))
 		return 0;
 
-	domain = irq_domain_create_linear(adap->dev.fwnode,
+	domain = irq_domain_create_linear(adap->dev.parent->fwnode,
 					  I2C_ADDR_7BITS_COUNT,
 					  &i2c_host_notify_irq_ops, adap);
 	if (!domain)
-- 
2.20.1




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