[PATCH] serial: mxs-auart: fix 64-bit cast in probe
Jiri Slaby
jirislaby at kernel.org
Fri May 29 00:37:51 PDT 2026
On 28. 05. 26, 22:30, Rosen Penev wrote:
> of_device_get_match_data() returns a pointer. Casting it directly to
> enum truncates on 64-bit platforms. Cast to unsigned long instead.
This is a misleading commit log. It still truncates during the assignment.
> Fixes compilation with W=1.
Fixes a warning, not compilation, right?
> Assisted-by: Opencode:Big-pickle
> Signed-off-by: Rosen Penev <rosenp at gmail.com>
> ---
> drivers/tty/serial/mxs-auart.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
> index 697318dbb146..de97c0f74e7d 100644
> --- a/drivers/tty/serial/mxs-auart.c
> +++ b/drivers/tty/serial/mxs-auart.c
> @@ -1598,7 +1598,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
> return -EINVAL;
> }
>
> - s->devtype = (enum mxs_auart_type)of_device_get_match_data(&pdev->dev);
> + s->devtype = (unsigned long)of_device_get_match_data(&pdev->dev);
>
> ret = mxs_get_clks(s, pdev);
> if (ret)
> --
> 2.54.0
>
--
js
suse labs
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