Thanks for the comments, Jiri. I will address in v9 version of patch.

> From: Jiri Slaby <jirislaby@kernel.org>
> Sent: Monday, December 12, 2022 1:15 PM
> To: Kumaravel Thiagarajan - I21417
> <Kumaravel.Thiagarajan@microchip.com>; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v8 tty-next 2/4] serial: 8250_pci1xxxx: Add driver for
> quad-uart support

> > +     if (num_vectors == max_vec_reqd)

I am also planning to make max_vec_reqd as unsigned. Since I am comparing it only with positive values (of num_vectors) here (and below). 

Thanks,
Tharun Kumar P