> From: Jiri Slaby <jirislaby@xxxxxxxxxx> > Sent: Monday, December 12, 2022 1:15 PM > To: Kumaravel Thiagarajan - I21417 > <Kumaravel.Thiagarajan@xxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v8 tty-next 2/4] serial: 8250_pci1xxxx: Add driver for > quad-uart support > > > + static int logical_to_physical_port_idx[][MAX_PORTS] = { > > const unsigned. > > > + {0, 1, 2, 3},/* PCI12000 PCI11010 PCI11101 PCI11400 PCI11414 */ > > + {0, 1, 2, 3},/* PCI4p */ > > + {0, 1, 2, -1},/* PCI3p012 */ Hi Jiri, This array contains negative values. Thereby, not using unsigned. Thanks, Tharun Kumar P