this means less RTT waiting when you dont need to wait for the ACK of a wren before write, etc.
Signed-off-by: Urja Rannikko <[email protected]> --- serprog.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/serprog.c b/serprog.c index 5b96e8a..d7483cf 100644 --- a/serprog.c +++ b/serprog.c @@ -907,8 +907,10 @@ static int serprog_spi_send_command(struct flashctx *flash, unsigned char *parmbuf; int ret; msg_pspew("%s, writecnt=%i, readcnt=%i\n", __func__, writecnt, readcnt); + + /* Stream the spi operation (as read-n above). */ if ((sp_opbuf_usage) || (sp_max_write_n && sp_write_n_bytes)) { - if (sp_execute_opbuf() != 0) { + if (sp_execute_opbuf_noflush() != 0) { msg_perr("Error: could not execute command buffer before sending SPI commands.\n"); return 1; } @@ -926,8 +928,20 @@ static int serprog_spi_send_command(struct flashctx *flash, parmbuf[4] = (readcnt >> 8) & 0xFF; parmbuf[5] = (readcnt >> 16) & 0xFF; memcpy(parmbuf + 6, writearr, writecnt); - ret = sp_docommand(S_CMD_O_SPIOP, writecnt + 6, parmbuf, readcnt, - readarr); + + ret = sp_stream_buffer_op(S_CMD_O_SPIOP, writecnt + 6, parmbuf); + + if ((!ret)&&(readcnt)) { + if (sp_flush_stream() != 0) { + free(parmbuf); + return 1; + } + if (serialport_read(readarr, readcnt) != 0) { + free(parmbuf); + msg_perr(MSGHEADER "Error: cannot read spiop data"); + return 1; + } + } free(parmbuf); return ret; } -- 1.8.4 _______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
