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[PATCH v2 14/42] esp: remove minlen restriction in handle_ti
From: |
Mark Cave-Ayland |
Subject: |
[PATCH v2 14/42] esp: remove minlen restriction in handle_ti |
Date: |
Tue, 9 Feb 2021 19:29:50 +0000 |
The limiting of DMA transfers to the maximum size of the available data is
already
handled by esp_do_dma() and do_dma_pdma_cb().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
hw/scsi/esp.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index fcc99f5fe4..e7cf36f4b8 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -553,7 +553,7 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len)
static void handle_ti(ESPState *s)
{
- uint32_t dmalen, minlen;
+ uint32_t dmalen;
if (s->dma && !s->dma_enabled) {
s->dma_cb = handle_ti;
@@ -561,16 +561,8 @@ static void handle_ti(ESPState *s)
}
dmalen = esp_get_tc(s);
-
- if (s->do_cmd) {
- minlen = (dmalen < ESP_CMDBUF_SZ) ? dmalen : ESP_CMDBUF_SZ;
- } else if (s->ti_size < 0) {
- minlen = (dmalen < -s->ti_size) ? dmalen : -s->ti_size;
- } else {
- minlen = (dmalen < s->ti_size) ? dmalen : s->ti_size;
- }
- trace_esp_handle_ti(minlen);
if (s->dma) {
+ trace_esp_handle_ti(dmalen);
s->rregs[ESP_RSTAT] &= ~STAT_TC;
esp_do_dma(s);
} else if (s->do_cmd) {
--
2.20.1
- Re: [PATCH v2 10/42] esp: introduce esp_get_stc(), (continued)
[PATCH v2 11/42] esp: apply transfer length adjustment when STC is zero at TC load time, Mark Cave-Ayland, 2021/02/09
[PATCH v2 12/42] esp: remove dma_counter from ESPState, Mark Cave-Ayland, 2021/02/09
[PATCH v2 13/42] esp: remove dma_left from ESPState, Mark Cave-Ayland, 2021/02/09
[PATCH v2 14/42] esp: remove minlen restriction in handle_ti,
Mark Cave-Ayland <=
[PATCH v2 15/42] esp: introduce esp_pdma_read() and esp_pdma_write() functions, Mark Cave-Ayland, 2021/02/09
[PATCH v2 16/42] esp: use pdma_origin directly in esp_pdma_read()/esp_pdma_write(), Mark Cave-Ayland, 2021/02/09
[PATCH v2 17/42] esp: move pdma_len and TC logic into esp_pdma_read()/esp_pdma_write(), Mark Cave-Ayland, 2021/02/09
[PATCH v2 18/42] esp: accumulate SCSI commands for PDMA transfers in cmdbuf instead of pdma_buf, Mark Cave-Ayland, 2021/02/09