Re: [PATCH] fpga: dfl: use subsys_initcall to allow built-in drivers to be added
From: Xu Yilun
Date: Fri Dec 19 2025 - 10:57:47 EST
On Mon, Dec 15, 2025 at 04:05:50PM -0300, Thadeu Lima de Souza Cascardo wrote:
> The dfl code adds a bus. If it is built-in and there is a built-in driver
> as well, the dfl module_init may be called after the driver module_init,
> leading to a failure to register the driver as the bus has not been added
> yet.
>
> Use subsys_initcall, which guarantees it will be called before the drivers
> init code.
>
> Without the fix, we see failures like this:
>
> [ 0.479475] Driver 'intel-m10-bmc' was unable to register with bus_type 'dfl' because the bus was not initialized.
>
> Fixes: 9ba3a0aa09fe ("fpga: dfl: create a dfl bus type to support DFL devices")
I will add:
Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx>
Reviewed-by: Xu Yilun <yilun.xu@xxxxxxxxx>
Applied to for-next, thanks.