Messages in this thread | | | Date | Tue, 16 Jun 2015 16:04:25 -0700 | From | Dmitry Torokhov <> | Subject | Re: [PATCH v2 11/17] drivers/input/gameport: Replace rdtscl() with native_read_tsc() |
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On Fri, Jun 12, 2015 at 04:44:51PM -0700, Andy Lutomirski wrote: > It's unclear to me why this code exists in the first place. > > Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> > Cc: linux-input@vger.kernel.org > Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> --- > drivers/input/gameport/gameport.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c > index e853a2134680..abc0cb22e750 100644 > --- a/drivers/input/gameport/gameport.c > +++ b/drivers/input/gameport/gameport.c > @@ -149,9 +149,9 @@ static int old_gameport_measure_speed(struct gameport *gameport) > > for(i = 0; i < 50; i++) { > local_irq_save(flags); > - rdtscl(t1); > + t1 = native_read_tsc(); > for (t = 0; t < 50; t++) gameport_read(gameport); > - rdtscl(t2); > + t2 = native_read_tsc(); > local_irq_restore(flags); > udelay(i * 10); > if (t2 - t1 < tx) tx = t2 - t1; > -- > 2.4.2 >
-- Dmitry
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