On Thu, 1 Aug 2013 15:14:20 +0100 Mark Rutland <mark.rutland@xxxxxxx> wrote: > On Thu, Aug 01, 2013 at 11:53:43AM +0100, Alexander Shiyan wrote: > > > On Wed, Jul 31, 2013 at 11:55:45AM +0100, Alexander Shiyan wrote: > > > > Add DT support to the SCCNCP serial driver. > > > > > > > > Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx> > > > > --- > > > > .../bindings/tty/serial/sccnxp-serial.txt | 53 ++++++++++++++++++++++ > > > > drivers/tty/serial/sccnxp.c | 46 +++++++++++++++---- > > > > include/linux/platform_data/serial-sccnxp.h | 6 +-- > > > > 3 files changed, 93 insertions(+), 12 deletions(-) > > > > create mode 100644 Documentation/devicetree/bindings/tty/serial/sccnxp-serial.txt > > > > > > > > diff --git a/Documentation/devicetree/bindings/tty/serial/sccnxp-serial.txt b/Documentation/devicetree/bindings/tty/serial/sccnxp-serial.txt > > [...] > > > > +Optional properties: > > > > +- clocks: Phandle to input clock. If omitted, default IC frequency will be > > > > + used instead. > > Come to think of it, what is "default IC frequency" likely to be, and > how does it influence the usable baud rates? > > > > > +- poll-interval: Poll interval time in nanoseconds. > > > > > > Is there any reason this needs to be described at all? Is this interval > > > a minimum/maximum bound required for some reason, or just a sensible > > > value? > > > > > > This feels like driver configuration than hardware description. > > > > This is a exact value for driver in the polling mode. > > That certainly sounds like driver configuration ;) > > > Depends on desired response time and/or desired UART baudrate. > > If this depends on the desired baud rate, how does this interact with > dynamically changing the baud rate later -- surely you may need to have > different polling rates for high and low baud rates? I will change it to automatically calculate a reasonable value for polling. [...] Greg, please remove this part of patch from tty-tree. Thanks. -- Alexander Shiyan <shc_work@xxxxxxx> -- 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