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wct4xxp: Remove prefetching support.

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I was unable to measure a performance change with prefetching.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Michael Spiceland <mspiceland@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10236 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell 2011-10-20 20:52:26 +00:00
parent fabe174b83
commit 58514bc801
1 changed files with 0 additions and 23 deletions
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23
drivers/dahdi/wct4xxp/base.c
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@ -56,9 +56,6 @@
/* #define ENABLE_WORKQUEUES */ /* #define ENABLE_WORKQUEUES */
#endif #endif
/* Enable prefetching may help performance */
#define ENABLE_PREFETCH
/* Support first generation cards? */ /* Support first generation cards? */
#define SUPPORT_GEN1 #define SUPPORT_GEN1
@ -2878,26 +2875,6 @@ static void __receive_span(struct t4_span *ts)
} }
} }
#endif #endif
#ifdef ENABLE_PREFETCH
prefetch((void *)(ts->readchunk));
prefetch((void *)(ts->writechunk));
prefetch((void *)(ts->readchunk + 8));
prefetch((void *)(ts->writechunk + 8));
prefetch((void *)(ts->readchunk + 16));
prefetch((void *)(ts->writechunk + 16));
prefetch((void *)(ts->readchunk + 24));
prefetch((void *)(ts->writechunk + 24));
prefetch((void *)(ts->readchunk + 32));
prefetch((void *)(ts->writechunk + 32));
prefetch((void *)(ts->readchunk + 40));
prefetch((void *)(ts->writechunk + 40));
prefetch((void *)(ts->readchunk + 48));
prefetch((void *)(ts->writechunk + 48));
prefetch((void *)(ts->readchunk + 56));
prefetch((void *)(ts->writechunk + 56));
#endif
_dahdi_ec_span(&ts->span); _dahdi_ec_span(&ts->span);
_dahdi_receive(&ts->span); _dahdi_receive(&ts->span);
} }