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

Message ID 9e058e72f4cf1f13c6483c1360b39c3d188a2c2a.1434501121.git.luto@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Andy Lutomirski June 17, 2015, 12:35 a.m. UTC 
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(-)
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Patch

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;