diff options
| author | Shaun Ruffell <sruffell@digium.com> | 2012-03-21 16:33:57 +0000 |
|---|---|---|
| committer | Shaun Ruffell <sruffell@digium.com> | 2012-03-21 16:33:57 +0000 |
| commit | c79311de867866603b3c37000507da68b7b238cb (patch) | |
| tree | 7ecd126812c096c03e23acbbb5b2ed2bf058ada0 /drivers/dahdi/voicebus | |
| parent | 4998f0fc56008a0f7d0426c3d5b10c3995441fff (diff) | |
wcte12xp, wctdm24xxp: Add compile-time option to disable ASPM for PCIe devices.
Certain BIOSes appear to enable ASPM even though it is not fully supported by
the platform. Also, since the PCIe links for TDM cards are always in use it
does not make sense to allow them to transition to the disabled state.
Just turn off power management on the PCIe links completely. For more
information see http://lwn.net/Articles/449448/.
Internal-Issue-ID: DAHLIN-283
Signed-off-by: Shaun Ruffell <sruffell@digium.com>
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10557 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi/voicebus')
| -rw-r--r-- | drivers/dahdi/voicebus/voicebus.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dahdi/voicebus/voicebus.h b/drivers/dahdi/voicebus/voicebus.h index dd0809f..9518028 100644 --- a/drivers/dahdi/voicebus/voicebus.h +++ b/drivers/dahdi/voicebus/voicebus.h @@ -57,6 +57,15 @@ * (and not tasklet). */ #define CONFIG_VOICEBUS_INTERRUPT +/* + * Enable the following definition in order to disable Active-State Power + * Management on the PCIe bridge for PCIe cards. This has been known to work + * around issues where the BIOS enables it on the cards even though the + * platform does not support it. + * + */ +#undef CONFIG_VOICEBUS_DISABLE_ASPM + /* Define this to use a FIFO for the software echocan reference. * (experimental) */ #undef CONFIG_VOICEBUS_ECREFERENCE |