Re: [PATCH v12 1/1] serial: core: Start managing serial controllers to enable runtime PM

[John Ogness]

On 2023-06-02, Chen-Yu Tsai <wenst@xxxxxxxxxxxx> wrote:
> This patch, in linux-next since 20230601, unfortunately breaks
> MediaTek based Chromebooks. The kernel hangs during the probe of the
> serial ports, which use the 8250_mtk driver.

Are you sure it is this patch? Have you bisected it?

Unfortunately next-20230601 also brought in a series that added
spinlocking to the 8250 driver. That may be the issue here instead.

For 8250 bug reports we really need to bisection.

John Ogness