[PATCH 1/1] poller_call: move from getc to is_timeout

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Wed Dec 14 10:07:27 EST 2011


On 12:25 Wed 14 Dec     , Sascha Hauer wrote:
> On Tue, Dec 13, 2011 at 04:21:58PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > this will allow to always call poller_call even durring timeout
> > and still the case in getc
> > 
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> > ---
> >  common/clock.c   |    4 ++++
> >  common/console.c |    2 --
> >  2 files changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/common/clock.c b/common/clock.c
> > index 79c06c8..6e92348 100644
> > --- a/common/clock.c
> > +++ b/common/clock.c
> > @@ -27,6 +27,7 @@
> >  #include <common.h>
> >  #include <asm-generic/div64.h>
> >  #include <clock.h>
> > +#include <poller.h>
> >  
> >  static struct clocksource *current_clock;
> >  static uint64_t time_ns;
> > @@ -139,6 +140,9 @@ uint32_t clocksource_hz2mult(uint32_t hz, uint32_t shift_constant)
> >  
> >  int is_timeout(uint64_t start_ns, uint64_t time_offset_ns)
> >  {
> > +	if (time_offset_ns > MSECOND)
> > +		poller_call();
> 
> Why this additional test? It effectively disables poller_call() being
> called from getc() since getc calls is_timeout with 100us.
yeah I was wanting to put 100us as if the delay is really small let it

the idea is to not perturb a i2c bitbanging

Best Regards,
J.



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