On Fri, 2018-02-23 at 02:42 +0800, John Garry wrote:
> There is a requirement


>  for supporting an 8250-compatible UART with
> the following profile/features:
> - platform device
> - polling mode (i.e. no interrupt support)


Elaborate this one, please.

> - IO port iotype
> - 16550-compatible
> For OF, we have 8250_of.c, and for PNP device we have 8250_pnp.c
> drivers. However there does not seem to any driver satisfying
> the above requirements. So this RFC is to find opinion on
> modifying the Synopsys DW 8250_dw.c driver to support these
> generic features.

Synopsys 8250 is a particular case of platform drivers. It doesn't
satisfy "8250-compatible UART" requirement.

> With patch 2/2, we're relaxing the interrupt support requirement.
> As I mentioned in the commit log, the 8250_of.c driver seems to
> ignore the dt bindings, and I do the same.

Andy Shevchenko <andriy.shevche...@linux.intel.com>
Intel Finland Oy

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