On Fri, 2018-02-23 at 02:42 +0800, John Garry wrote: > There is a requirement Where? > for supporting an 8250-compatible UART with > the following profile/features: > - platform device > - polling mode (i.e. no interrupt support) > - ACPI FW 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.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html