[PATCHv4] serial: of-serial: fix up PM ops on no_console_suspend and port type

[Peter Hurley]

On 10/14/2014 04:42 AM, Jingchang Lu wrote:
> This patch fixes commit 2dea53bf57783f243c892e99c10c6921e956aa7e,
> "serial: of-serial: add PM suspend/resume support", which disables
> the uart clock on suspend, but also causes a hardware hang on register
> access if no_console_suspend command line option is used.
> 
> Also, not every of_serial device is an 8250 port, so the serial8250
> suspend/resume functions should only be applied to a real 8250 port.

Thanks.

Reviewed-by: Peter Hurley <peter at hurleysoftware.com>