> > a37025b USB: ftdi_sio: fix chars_in_buffer overhead
> > c413364 USB: ftdi_sio: clean up get_modem_status
> > dcf0105 USB: serial: add generic wait_until_sent implementation
> >
> > These three are also needed in 3.9 (and also 3.8).
>
> I have these three. 3.8-stable is dead as far as I'm
On Tue, Jun 11, 2013 at 12:43:25PM +0200, Johan Hovold wrote:
> On Mon, Jun 10, 2013 at 02:39:06PM -0700, Greg KH wrote:
> > On Thu, Jun 06, 2013 at 11:21:54AM -0700, Greg KH wrote:
> > > On Thu, Jun 06, 2013 at 11:58:56AM +0200, Johan Hovold wrote:
>
> > > > Greg, perhaps we should consider backp
On Mon, Jun 10, 2013 at 02:39:06PM -0700, Greg KH wrote:
> On Thu, Jun 06, 2013 at 11:21:54AM -0700, Greg KH wrote:
> > On Thu, Jun 06, 2013 at 11:58:56AM +0200, Johan Hovold wrote:
> > > Greg, perhaps we should consider backporting the wait-until-sent
> > > patches (i.e. 0693196fe..4746b6c6e)?
>
On Thu, Jun 06, 2013 at 11:21:54AM -0700, Greg KH wrote:
> On Thu, Jun 06, 2013 at 11:58:56AM +0200, Johan Hovold wrote:
> > On Thu, Jun 06, 2013 at 10:50:36AM +0200, Tomaž Šolc wrote:
> > > Hi
> > >
> > > I have noticed that the ftdi_sio serial driver in recent kernel versions
> > > has very bad
On 06/06/2013 11:58 AM, Johan Hovold wrote:
> On Thu, Jun 06, 2013 at 10:50:36AM +0200, Tomaž Šolc wrote:
>> I have noticed that the ftdi_sio serial driver in recent kernel versions
>> has very bad performance when used through the Python's serial library.
>>
>> As a test case I have a custom devic
On Thu, Jun 06, 2013 at 11:58:56AM +0200, Johan Hovold wrote:
> On Thu, Jun 06, 2013 at 10:50:36AM +0200, Tomaž Šolc wrote:
> > Hi
> >
> > I have noticed that the ftdi_sio serial driver in recent kernel versions
> > has very bad performance when used through the Python's serial library.
> >
> > A
On Thu, Jun 06, 2013 at 10:50:36AM +0200, Tomaž Šolc wrote:
> Hi
>
> I have noticed that the ftdi_sio serial driver in recent kernel versions
> has very bad performance when used through the Python's serial library.
>
> As a test case I have a custom device that will send a continuous block
> of
Hi
I have noticed that the ftdi_sio serial driver in recent kernel versions
has very bad performance when used through the Python's serial library.
As a test case I have a custom device that will send a continuous block
of 5k characters once every few seconds over a RS-232 line (115200 baud)
to a