linux-kernel - Re: [PATCH 1/1] serial: core: Fix serial device initialization

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Message-ID: <2025122151-petition-joylessly-bdc5@gregkh>
Date: Sun, 21 Dec 2025 09:40:23 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Alexander Stein <alexander.stein@...tq-group.com>
Cc: Jiri Slaby <jirislaby@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Cosmin Tanislav <demonsingur@...il.com>
Subject: Re: [PATCH 1/1] serial: core: Fix serial device initialization

On Fri, Dec 19, 2025 at 04:28:12PM +0100, Alexander Stein wrote:
> During restoring sysfs fwnode information the information of_node_reused
> was dropped. This was previously set by device_set_of_node_from_dev().
> Add it back manually
> 
> Fixes: 24ec03cc5512 ("serial: core: Restore sysfs fwnode information")
> Suggested-by: Cosmin Tanislav <demonsingur@...il.com>
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
>  drivers/tty/serial/serial_base_bus.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c
> index 8e891984cdc0d..1e1ad28d83fcf 100644
> --- a/drivers/tty/serial/serial_base_bus.c
> +++ b/drivers/tty/serial/serial_base_bus.c
> @@ -74,6 +74,7 @@ static int serial_base_device_init(struct uart_port *port,
>  	dev->parent = parent_dev;
>  	dev->bus = &serial_base_bus_type;
>  	dev->release = release;
> +	dev->of_node_reused = true;
>  
>  	device_set_node(dev, fwnode_handle_get(dev_fwnode(parent_dev)));
>  
> -- 
> 2.43.0
> 
> 

Can I get some confirmation from people that this resolves the issue, or
should I just revert the original problem commit instead and wait for a
tested new version?

thanks,

greg k-h