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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2024-01-12 12:53:13 +0000
committerMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2024-02-13 19:37:27 +0000
commitc5bd505524303bd8cb9eaf5d44ca7e1713d27f90 (patch)
tree69f7c0feb364067845fe067a6a02d2fb9d4afa74 /hw
parent6b7b0030fb5c9275d5e4afa67264c6ce458afef3 (diff)
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esp.c: update condition for esp_dma_done() in esp_do_dma() to device path
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/scsi/esp.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 96723ef..06be9f2 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -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);