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platform/chrome: cros_ec_proto: return -EAGAIN when retries timed out

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While EC_COMMS_STATUS_PROCESSING flag is still on after it tries
EC_COMMAND_RETRIES times for sending EC_CMD_GET_COMMS_STATUS,
cros_ec_wait_until_complete() doesn't return an error code.

Return -EAGAIN in the case instead.

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220718050914.2267370-9-tzungbi@kernel.org
This commit is contained in:
Tzung-Bi Shih 2022-07-18 05:09:12 +00:00
parent 00eb36d528
commit 7f95d2b68b
1 changed files with 3 additions and 0 deletions
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3
drivers/platform/chrome/cros_ec_proto.c
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@ -167,6 +167,9 @@ static int cros_ec_wait_until_complete(struct cros_ec_device *ec_dev, uint32_t *
return ret;
}
if (i >= EC_COMMAND_RETRIES)
ret = -EAGAIN;
return ret;
}