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esp.c: update condition for esp_dma_done() in esp_do_dma() to device path

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Ensure that esp_dma_done() is only called when TC is zero, which is currently
always the case for DMA transfers.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-22-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2024-01-12 12:53:13 +00:00
parent 6b7b0030fb
commit c5bd505524
1 changed files with 5 additions and 3 deletions
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8
hw/scsi/esp.c
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@ -725,9 +725,11 @@ static void esp_do_dma(ESPState *s)
return;
}
/* Partially filled a scsi buffer. Complete immediately. */
esp_dma_done(s);
esp_lower_drq(s);
if (esp_get_tc(s) == 0) {
/* Partially filled a scsi buffer. Complete immediately. */
esp_dma_done(s);
esp_lower_drq(s);
}
} else {
esp_set_pdma_cb(s, DO_DMA_PDMA_CB);
esp_raise_drq(s);