x86/asm/tsc, drivers/input/gameport: Replace rdtscl() with native_read_tsc()

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

Signed-off-by: Andy Lutomirski <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Huang Rui <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: kvm ML <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/9e058e72f4cf1f13c6483c1360b39c3d188a2c2a.1434501121.git.luto@kernel.org
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index e853a2134680d690c42e07230097a709c9fe1669..abc0cb22e7504cca309c343c41750f03eb67a010 100644 (file)
--- 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;