Hi, > After an initial failure in February this year I have now gotten my > Blizzard SCSI Kit IV to work with the esp_scsi core. Congratulations! > It turns out the DMA engine doesn't like a transfer size of only 2 bytes > (at least not when receiving). The bytes were in the FSC FIFO, but > didn't get transferred to DRAM and the final interrupt didn't occur so > the driver got stuck. > > The old driver used to do such small transfers using PIO, so that is > what I do now in the glue driver. > > What is the way to go? Revive the glue named drivers/scsi/blz1230.c? > Or should it be renamed? I'd rename it to blz1230_esp.c. > Some of the other drivers may be a little more problematic because they > had more driver operations which are not present in the esp_scsi DMA > abstraction. Can you fall back to PIO for those cases? Michael -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
