diff options
| author | Namyoon Woo <namyoon@chromium.org> | 2019-04-24 15:18:22 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-04-26 00:17:46 -0700 |
| commit | 0a60e8dbd01b39ca1c4fde2523f0961c5a07fc35 (patch) | |
| tree | 9204cec77af70df95499a4b2368f40bbdae5e1eb /util/uut | |
| parent | c8d62579f7ba8a774f0bf91feafd7a8986991511 (diff) | |
| download | chrome-ec-0a60e8dbd01b39ca1c4fde2523f0961c5a07fc35.tar.gz | |
uartupdatetool: retry opr_check_sync() if the first attept fails
This is a workaround fix for grunt, where the first command after EC
reset gets zero bytes as response.
BUG=b:126795953
BRANCH=none
TEST=manually ran flash_ec on grunt/careena, grunt/liara and
octopus/fleex through servo_v4_with_ccd_cr50 or suzy-Qable.
Change-Id: I5da3bd7889d9e4059a8f523352db4f3e5a7ce841
Signed-off-by: Namyoon Woo <namyoon@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1583128
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Raul E Rangel <rrangel@chromium.org>
Diffstat (limited to 'util/uut')
| -rw-r--r-- | util/uut/main.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/util/uut/main.c b/util/uut/main.c index 64a84e2725..7f8bea5963 100644 --- a/util/uut/main.c +++ b/util/uut/main.c @@ -292,6 +292,14 @@ int main(int argc, char *argv[]) /* Verify Host and Device are synchronized */ DISPLAY_MSG(("Performing a Host/Device synchronization check...\n")); sr = opr_check_sync(baudrate); + + /* + * If it fails, try it once more. There is an issue that the first + * command after EC reset gets 0x00 byte response. Note b/126795953. + */ + if (sr != SR_OK) + sr = opr_check_sync(baudrate); + if (sr != SR_OK) { display_color_msg(FAIL, "Host/Device synchronization failed, error = %lu.\n", |