Re: [PATCH 1/2] usb: usbtest: Add timetout to simple_io()

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On Wed, Dec 18, 2013 at 10:37:44AM -0600, Felipe Balbi wrote:
> On Wed, Dec 18, 2013 at 10:46:03PM +0800, Huang Rui wrote:
> > Hi Roger,
> > 
> > On Wed, Dec 18, 2013 at 03:40:10PM +0530, Roger Quadros wrote:
> > > Without a timetout some tests e.g. test_halt() can remain stuck forever.
> > > 
> > > Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> > > Reviewed-by: Felipe Balbi <balbi@xxxxxx>
> > > ---
> > >  drivers/usb/misc/usbtest.c | 14 +++++++++++---
> > >  1 file changed, 11 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
> > > index b415282..6294e1b 100644
> > > --- a/drivers/usb/misc/usbtest.c
> > > +++ b/drivers/usb/misc/usbtest.c
> > > @@ -10,6 +10,7 @@
> > >  
> > >  #include <linux/usb.h>
> > >  
> > > +#define SIMPLE_IO_TIMEOUT	10000	/* in milliseconds */
> > >  
> > 
> > Only one question, how do you confirm the timeout value?
> 
> dude, it's just a timeout. It could be anything, really. 10 seconds is
> just large enough value that would allow even the slowest scenarios
> (host + device) to complete, while not being so slow that you would
> wanna kill yourself after waiting for such a long time ;-)
> 

OK. I've tested in my side.

Acked-by: Huang Rui <ray.huang@xxxxxxx>


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