Messages in this thread Patch in this message | | | From | Prashant Malani <> | Subject | [PATCH 1/2] platform/chrome: cros_ec_proto: Update cros_ec_cmd_xfer() call-sites | Date | Thu, 3 Sep 2020 02:54:14 -0700 |
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Since all the other call-sites of cros_ec_cmd_xfer() have been converted to use cros_ec_cmd_xfer_status() instead, update the remaining call-sites to prepare for the merge of cros_ec_cmd_xfer() into cros_ec_cmd_xfer_status().
As part of this update, change the error handling inside cros_ec_get_sensor_count() such that the legacy LPC interface is tried on all error values, not just when msg->result != EC_RESULT_SUCCESS.
Signed-off-by: Prashant Malani <pmalani@chromium.org> --- drivers/platform/chrome/cros_ec_proto.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index dda182132a6a..2cb1defcdd13 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -650,7 +650,7 @@ static int get_next_event_xfer(struct cros_ec_device *ec_dev, msg->insize = size; msg->outsize = 0; - ret = cros_ec_cmd_xfer(ec_dev, msg); + ret = cros_ec_cmd_xfer_status(ec_dev, msg); if (ret > 0) { ec_dev->event_size = ret - 1; ec_dev->event_data = *event; @@ -694,7 +694,7 @@ static int get_keyboard_state_event(struct cros_ec_device *ec_dev) msg->insize = sizeof(ec_dev->event_data.data); msg->outsize = 0; - ec_dev->event_size = cros_ec_cmd_xfer(ec_dev, msg); + ec_dev->event_size = cros_ec_cmd_xfer_status(ec_dev, msg); ec_dev->event_data.event_type = EC_MKBP_EVENT_KEY_MATRIX; memcpy(&ec_dev->event_data.data, msg->data, sizeof(ec_dev->event_data.data)); @@ -883,11 +883,9 @@ int cros_ec_get_sensor_count(struct cros_ec_dev *ec) params = (struct ec_params_motion_sense *)msg->data; params->cmd = MOTIONSENSE_CMD_DUMP; - ret = cros_ec_cmd_xfer(ec->ec_dev, msg); + ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg); if (ret < 0) { sensor_count = ret; - } else if (msg->result != EC_RES_SUCCESS) { - sensor_count = -EPROTO; } else { resp = (struct ec_response_motion_sense *)msg->data; sensor_count = resp->dump.sensor_count; @@ -898,9 +896,7 @@ int cros_ec_get_sensor_count(struct cros_ec_dev *ec) * Check legacy mode: Let's find out if sensors are accessible * via LPC interface. */ - if (sensor_count == -EPROTO && - ec->cmd_offset == 0 && - ec_dev->cmd_readmem) { + if (sensor_count < 0 && ec->cmd_offset == 0 && ec_dev->cmd_readmem) { ret = ec_dev->cmd_readmem(ec_dev, EC_MEMMAP_ACC_STATUS, 1, &status); if (ret >= 0 && @@ -915,9 +911,6 @@ int cros_ec_get_sensor_count(struct cros_ec_dev *ec) */ sensor_count = 0; } - } else if (sensor_count == -EPROTO) { - /* EC responded, but does not understand DUMP command. */ - sensor_count = 0; } return sensor_count; } -- 2.28.0.526.ge36021eeef-goog
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