47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
From: Ingo Molnar <mingo@elte.hu>
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Date: Fri, 3 Jul 2009 08:30:16 -0500
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Subject: input: gameport: Do not disable interrupts on PREEMPT_RT
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Use the _nort() primitives.
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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drivers/input/gameport/gameport.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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Index: linux-stable/drivers/input/gameport/gameport.c
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===================================================================
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--- linux-stable.orig/drivers/input/gameport/gameport.c
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+++ linux-stable/drivers/input/gameport/gameport.c
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@@ -87,12 +87,12 @@ static int gameport_measure_speed(struct
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tx = 1 << 30;
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for(i = 0; i < 50; i++) {
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- local_irq_save(flags);
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+ local_irq_save_nort(flags);
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GET_TIME(t1);
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for (t = 0; t < 50; t++) gameport_read(gameport);
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GET_TIME(t2);
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GET_TIME(t3);
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- local_irq_restore(flags);
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+ local_irq_restore_nort(flags);
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udelay(i * 10);
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if ((t = DELTA(t2,t1) - DELTA(t3,t2)) < tx) tx = t;
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}
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@@ -111,11 +111,11 @@ static int gameport_measure_speed(struct
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tx = 1 << 30;
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for(i = 0; i < 50; i++) {
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- local_irq_save(flags);
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+ local_irq_save_nort(flags);
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rdtscl(t1);
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for (t = 0; t < 50; t++) gameport_read(gameport);
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rdtscl(t2);
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- local_irq_restore(flags);
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+ local_irq_restore_nort(flags);
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udelay(i * 10);
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if (t2 - t1 < tx) tx = t2 - t1;
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}
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