Shaun Ruffell 50f2fd15b6 wcxb: Add diagnostic message if DMA retries are increasing when DEBUG is defined. ...

There are some platforms where the DMA operation to the host does not complete
within the required 50us. When this happens some versions of the firmware will
issue a retry and increment the retry field in the descriptor status word.

Now if this driver is configured in DEBUG mode, the presence of these retries
will be printed to the kernel log as a potential troubleshooting aide.

Internal-Issue-ID: DAHDI-1087
Signed-off-by: Shaun Ruffell <sruffell@digium.com>

2014-03-17 10:33:14 -05:00

..

dahdi

wcxb: Add diagnostic message if DMA retries are increasing when DEBUG is defined.

2014-03-17 10:33:14 -05:00