On Tue, Sep 16, 2014 at 07:24:28AM +0200, Johannes Thumshirn wrote: > 16z135 IP Core has changed so the driver needs to be updated to respect > these changes. The following changes have been made: > > * Don't invert the 16z135 modem status register when reading. > * Add module parameter to configure the (baud rate dependent) RX timeout. > Character timeout in seconds = (timeout_reg * baud_reg * 4)/freq_reg. > * Enable the handling of UART core's automatic flow control feature. > When AFE is active disable generation of modem status IRQs. > * Rework the handling of IRQs to be conform with newer FPGA versions and > take precautions not to miss an interrupt because of the destructive read > of the IIR register. > * Correct men_z135_handle_modem_status(), MSR is stat_reg[15:8] not > stat_reg[7:0] > > Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxx> > --- > Changes to v1: > Incorporated comments of Jiri Slaby: > > * Timeout value is documented in module parameter description > * rx_timeout variable is uint > * Changed IRQ handled variable to bool > * Changed if statement for RDA or CTI IRQ > > Changes to v2: > Correct men_z135_handle_modem_status(), MSR is stat_reg[15:8] not stat_reg[7:0] We've found a bug in this patch during our tests so please do not en-queue it yet. Sorry for the inconvenience. Thanks, Johannes -- 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
