[PATCH v3 11/18] drivers/input/gameport: Replace rdtscl() with native_read_tsc()

Andy Lutomirski
2015-06-17T00:39:17Z

It's unclear to me why this code exists in the first place.

Acked-by: 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(-)

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