Re: [PATCH v4] tty: serial: men_z135_uart: Fix driver for changes in hardware

Peter Hurley
2014-11-03T21:26:43Z

On 11/03/2014 04:01 PM, Peter Hurley wrote:
> On 11/03/2014 11:05 AM, Johannes Thumshirn wrote:
>> * Enable the handling of UART core's automatic flow control feature.
>> When AFE is active disable generation of modem status IRQs.
>
> So HUPCL doesn't work when CRTSCTS is set?

Sorry, I meant !CLOCAL. IOW,

'So !CLOCAL doesn't work when CRTSCTS is set?'

> Is this because there's actually a problem with the IP core that
> MSIs trash the autoCTS state, or is the problem that the driver
> just shouldn't be calling uart_handle_cts_change() when autoCTS is
> on?