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

[Wolfram Sang <wsa+renesas@sang-engineering.com>]

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On Wed, Jul 01, 2020 at 10:23:18AM +0200, Wolfram Sang wrote:
> Let's rather use its physical parent device to give proper namings and
> connections in debugfs.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> 
> 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?

Last call for opinions before I apply it ;)

> 
>  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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