Robert Jarzmik <robert.jarzmik@xxxxxxx> writes: > From: Sergey Yanovich <ynvich@xxxxxxxxx> > > pxa2xx-uart was a separate uart platform driver. It was declaring > the same device names and numbers as 8250 driver. As a result, > it was impossible to use 8250 driver on PXA SoCs. > > Upon closer examination pxa2xx-uart turned out to be a clone of > 8250_core driver. > > Workaround for Erratum #19 according to Marvel(R) PXA270M Processor > Specification Update (April 19, 2010) is dropped. 8250_core reads > from FIFO immediately after checking DR bit in LSR. > > The patch leaves the original SERIAL_PXA driver around. The original > driver is just marked DEPRECATED in Kconfig and C source. When > the original driver is considered safe to remove, no changes > to SERIAL_8250 will be necessary. > > Compiling SERIAL_8250_CONSOLE and SERIAL_PXA_CONSOLE even without > SERIAL_8250_PXA breaks console for SERIAL_PXA. For this reasons, the new > and the original drivers are made mutually exclusive. > > Signed-off-by: Sergei Ianovich <ynvich@xxxxxxxxx> > CC: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > CC: James Cameron <quozl@xxxxxxxxxx> > CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > CC: Robert Jarzmik <robert.jarzmik@xxxxxxx> > CC: Russell King <linux@xxxxxxxxxxxxxxxx> > Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > [rebased on v4.8] > Tested-by: Robert Jarzmik <robert.jarzmik@xxxxxxx> > Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx> Greg, can you take that into you tty tree please ? Cheers. -- Robert -- 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
