44 | | This Interrupt Service Routine handles the IRQ generated by a CMA channel. |
| 44 | A CMA IRQ is activated in case of memory access error for a specific CMA channel: |
| 45 | * SRC_DESC_ERROR : error accessing source chbuf descriptor |
| 46 | * SRC_DATA_ERROR : error accessing source data buffer |
| 47 | * DST_DESC_ERROR : error accessing destination chbuf descriptor |
| 48 | * DST_DATA_ERROR : error accessing destination data buffer |
| 49 | The Interrupt Service Routine displays a message on TTY0 and desactivates the CMA channel to acknowledge IRQ. |