diff options
| -rw-r--r-- | hw/scsi/esp.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 18d4d56392..50757e9264 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -803,16 +803,6 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len) s->rregs[ESP_RSTAT] |= STAT_TC; s->rregs[ESP_RINTR] |= INTR_BS; esp_raise_irq(s); - - /* - * If data is ready to transfer and the TI command has already - * been executed, start DMA immediately. Otherwise DMA will start - * when host sends the TI command - */ - if (s->ti_size && (s->rregs[ESP_CMD] == (CMD_TI | CMD_DMA))) { - esp_do_dma(s); - } - return; } if (s->ti_cmd == 0) { @@ -826,7 +816,7 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len) return; } - if (s->ti_cmd & CMD_DMA) { + if (s->ti_cmd == (CMD_TI | CMD_DMA)) { if (dmalen) { esp_do_dma(s); } else if (s->ti_size <= 0) { @@ -837,7 +827,7 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len) esp_dma_done(s); esp_lower_drq(s); } - } else { + } else if (s->ti_cmd == CMD_TI) { esp_do_nodma(s); } } |