diff options
| author | Shaun Ruffell <sruffell@digium.com> | 2010-02-25 17:33:58 +0000 |
|---|---|---|
| committer | Shaun Ruffell <sruffell@digium.com> | 2010-02-25 17:33:58 +0000 |
| commit | 36b4f0072fd8f20a7b3f46f917b7d5af86fceb7b (patch) | |
| tree | 91b3cb5df3309772ad6fb9584f73a25d156c4996 /drivers/dahdi/voicebus/GpakCust.c | |
| parent | 9a449e1df5edc16fda2c47afe68e8e5cf54026ee (diff) | |
wctdm24xxp, wcte12xp: Buffer handling improvements.
This patch moves the majority of the buffer processing for the voicebus based
cards out of the interrupt handler and into a tasklet. When multiple cards are
running on the same CPU, and there was a latency condition that would cause them
to get behind, this now allows the tasklet to limit how many buffers are
processed on each card before giving the other card a chance to start working on
it's backlog.
Additionally, when the card detects a hard under run, instead of trying to fix
it up in the handling routine, it will now reschedule a work item that will
completely reset the descriptor rings.
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@8095 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi/voicebus/GpakCust.c')
| -rw-r--r-- | drivers/dahdi/voicebus/GpakCust.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dahdi/voicebus/GpakCust.c b/drivers/dahdi/voicebus/GpakCust.c index 7a06e55..0609f19 100644 --- a/drivers/dahdi/voicebus/GpakCust.c +++ b/drivers/dahdi/voicebus/GpakCust.c @@ -751,7 +751,8 @@ void gpakReadDspMemory( vpmadt032_io_wait(vpm); if ( NumWords < VPM150M_MAX_COMMANDS ) { - struct vpmadt032_cmd *cmds[VPM150M_MAX_COMMANDS] = {NULL}; + struct vpmadt032_cmd *cmds[VPM150M_MAX_COMMANDS]; + memset(cmds, 0, sizeof(cmds)); vpmadt032_setpage(vpm, DspAddress >> 16); DspAddress &= 0xffff; for (i=0; i < NumWords; ++i) { |