Re: [PATCH v5] tty: serial: men_z135_uart: Fix driver for changes in hardware

[Peter Hurley]

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@xxxxxxxxxxxxxxxxxx>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/