Re: [PATCH v2 07/11] serial: 8250: enable AFE on ports where FIFO is 16 bytes

[Peter Hurley]

On 04/11/2016 05:51 AM, Andy Shevchenko wrote:
> Intel Quark has 16550A compatible UART with autoflow feature enabled. It has
> only 16 bytes of FIFO. Currently serial8250_do_set_termios() prevents to enable
> autoflow since the minimum requirement of 32 bytes of FIFO size.
> 
> Drop a FIFO size limitation to allow autoflow control be enabled on such UARTs.
> 
> While here, comment out UART_CAP_AFE for PORT_AR7 since it wasn't working and
> it will be not a good idea to use it in conjunction with trigger level of 1
> byte.

Reviewed-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>