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| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2025-07-11 21:46:31 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2025-07-15 00:25:03 +0200 |
| commit | daaaec4f54ae0ad3e4304dc55c3c0f159988d773 (patch) | |
| tree | b522afa1bfe0cbb7f9ed5c12fa4991925dd26437 | |
| parent | 1fa3812ee884dba8dbbd9d2f121b10c67469cae3 (diff) | |
| download | qemu-daaaec4f54ae0ad3e4304dc55c3c0f159988d773.zip qemu-daaaec4f54ae0ad3e4304dc55c3c0f159988d773.tar.gz qemu-daaaec4f54ae0ad3e4304dc55c3c0f159988d773.tar.bz2 | |
esp.c: improve comment in esp_transfer_data()
Whilst working on the previous patch, the existing comment was not enough to
document when the TI command codepath was being used. Update and improve the
comment accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250711204636.542964-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
| -rw-r--r-- | hw/scsi/esp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 9181c88..62ba406 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -1029,8 +1029,9 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len) case CMD_TI | CMD_DMA: case CMD_TI: /* - * Bus service interrupt raised because of initial change to - * DATA phase + * If the final COMMAND phase data was transferred using a TI + * command, clear ESP_CMD to terminate the TI command and raise + * the completion interrupt */ s->rregs[ESP_CMD] = 0; s->rregs[ESP_RINTR] |= INTR_BS; |