Testing low level UART driver

[Muni Sekhar]

On Wed, Jan 24, 2018 at 8:53 PM, Greg KH <greg at kroah.com> wrote:
> On Wed, Jan 24, 2018 at 08:43:56PM +0530, Muni Sekhar wrote:
>> On Wed, Jan 24, 2018 at 6:52 PM, Greg KH <greg at kroah.com> wrote:
>> > On Wed, Jan 24, 2018 at 06:46:06PM +0530, Muni Sekhar wrote:
>> >> Hi All,
>> >>
>> >> Does Linux kernel tree has any standard utilities to test any low
>> >> level UART driver?
>> >
>> > What do you mean by "low level UART driver"?
>> bcm63xx_uart.c
>>
>> >
>> > Have you tried one of the many different userspace serial port tools?
>> I tried only minicom. Could you let me know the best userspace serial
>> port tools.
>
> What doesn't work with minicom?  That's a really good tester given that
> it exercises the tty layer a lot.

I’m trying to record throughput achieved with different baud rates in
loopback mode. Does minicom support this?


>
>> > Those are usually the best test of a system, along with some simple
>> > loop-back tests if you have the proper hardware plugged into the serial
>> > port.
>> >
>> > What driver are you trying to test?
>> I’m trying to test Broadcom 63xx integrated uart driver.
>
> What currently does not work with it?  The driver has been around for a
> very long time, it should be really stable.
>
> thanks,
>
> greg k-h



-- 
Thanks,
Sekhar