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

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Message-ID: <b88a2a52-274a-4e12-a839-564208495a44@gmail.com>
Date: Sun, 21 Dec 2025 11:46:44 +0200
From: Cosmin Tanislav <demonsingur@...il.com>
To: Alexander Stein <alexander.stein@...tq-group.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Jiri Slaby <jirislaby@...nel.org>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH 1/1] serial: core: Fix serial device initialization



On 12/19/25 5:28 PM, 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>


Tested-by: Cosmin Tanislav <demonsingur@...il.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)));
>