Messages in this thread | | | Date | Sun, 25 Jan 2015 16:17:27 -0500 | From | Peter Hurley <> | Subject | Re: [PATCH v5] tty: serial: men_z135_uart: Fix driver for changes in hardware |
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On 01/19/2015 01:44 AM, 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] > * Correct calling of uart_handle_{dcd,cts}_change() > * Reset CLOCAL when CRTSCTS is set
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
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