[PATCH 0/3] serial: mxs-auart: flush_buffer hook and interrupt processing

[Hector Palacios]

On 11/29/2013 05:44 PM, Marek Vasut wrote:
> Hi Hector,
>
>> Hello,
>>
>> This series implement several fixes to the mxs-auart serial driver.
>>
>> The first patch implements the flush_buffer hook. Currently the driver
>> can be shut down and pending data in the FIFO will be lost.
>>
>> The second patchs adds a check of the BUSY flag in the tx_empty hook
>> to make sure the UART is not about to fill data into the FIFO.
>>
>> The third patch moves the interrupt handling from the ISR out to a
>> tasklet. This was motivated due to different transmission problems
>> with hardware and software flow control at high baudrates whereby
>> transmission was interrupted or data lost.
>> The problem can be reproduced by setting two AUARTs at 576000/N/8
>> with CRTSCTS and sending a large file from one port to the other
>>   with 'cat'.
>
> 57600 is not that high of a baudrate. Or do you really mean 576000 (576
> thousand) ?

I wrote and meant 576000, indeed :-)

Best regards,
--
Hector Palacios