| Message ID | 1937af4905bc041d07d05bc51bca983a60df2c6c.1434152603.git.luto@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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 >
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;
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> --- drivers/input/gameport/gameport.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)