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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 16:17:34 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 16:17:34 (GMT) |
commit | cf816ecb533ab96b883dfdc0db174598b5b5c4d2 (patch) | |
tree | 1b7705db288ae2917105e624b01fdf81e0882bf1 /arch/s390/lib/delay.c | |
parent | adf6d34e460387ee3e8f1e1875d52bff51212c7d (diff) | |
parent | 15f7d677ccff6f0f5de8a1ee43a792567e9f9de9 (diff) | |
download | linux-fsl-qoriq-cf816ecb533ab96b883dfdc0db174598b5b5c4d2.tar.xz |
Merge branch 'merge-fixes' into devel
Diffstat (limited to 'arch/s390/lib/delay.c')
-rw-r--r-- | arch/s390/lib/delay.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index 70f2a86..eae21a8 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -34,7 +34,7 @@ void __delay(unsigned long loops) */ void __udelay(unsigned long usecs) { - u64 end, time, jiffy_timer = 0; + u64 end, time, old_cc = 0; unsigned long flags, cr0, mask, dummy; int irq_context; @@ -43,8 +43,8 @@ void __udelay(unsigned long usecs) local_bh_disable(); local_irq_save(flags); if (raw_irqs_disabled_flags(flags)) { - jiffy_timer = S390_lowcore.jiffy_timer; - S390_lowcore.jiffy_timer = -1ULL - (4096 << 12); + old_cc = S390_lowcore.clock_comparator; + S390_lowcore.clock_comparator = -1ULL; __ctl_store(cr0, 0, 0); dummy = (cr0 & 0xffff00e0) | 0x00000800; __ctl_load(dummy , 0, 0); @@ -55,8 +55,8 @@ void __udelay(unsigned long usecs) end = get_clock() + ((u64) usecs << 12); do { - time = end < S390_lowcore.jiffy_timer ? - end : S390_lowcore.jiffy_timer; + time = end < S390_lowcore.clock_comparator ? + end : S390_lowcore.clock_comparator; set_clock_comparator(time); trace_hardirqs_on(); __load_psw_mask(mask); @@ -65,10 +65,10 @@ void __udelay(unsigned long usecs) if (raw_irqs_disabled_flags(flags)) { __ctl_load(cr0, 0, 0); - S390_lowcore.jiffy_timer = jiffy_timer; + S390_lowcore.clock_comparator = old_cc; } if (!irq_context) _local_bh_enable(); - set_clock_comparator(S390_lowcore.jiffy_timer); + set_clock_comparator(S390_lowcore.clock_comparator); local_irq_restore(flags); } |