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tools: kwboot: Remove 2s delay before sending first xmodem packet

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This delay is not needed anymore since kwboot already handles retrying
logic for incomplete xmodem packets and also forces BootROM to flush its
input queue. Removing it decreases total transfer time.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2022-01-25 18:13:09 +01:00 committed by Stefan Roese
parent 2bcd5b1be1
commit 8d3b79c4a3
1 changed files with 0 additions and 4 deletions
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tools/kwboot.c
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@ -1142,10 +1142,6 @@ kwboot_xmodem(int tty, const void *_img, size_t size, int baudrate)
*/
hdrsz += (KWBOOT_XM_BLKSZ - hdrsz % KWBOOT_XM_BLKSZ) % KWBOOT_XM_BLKSZ;
kwboot_printv("Waiting %d ms and flushing tty\n", blk_rsp_timeo);
usleep(blk_rsp_timeo * 1000);
tcflush(tty, TCIOFLUSH);
pnum = 1;
rc = kwboot_xmodem_one(tty, &pnum, 1, img, hdrsz, baudrate);