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platform/chrome: cros_ec_sysfs: Use cros_ec_cmd_xfer_status helper

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This patch makes use of cros_ec_cmd_xfer_status() instead of
cros_ec_cmd_xfer(). In this case the change is trivial and the only
reason to do it is because we want to make cros_ec_cmd_xfer() a private
function for the EC protocol and let people only use the
cros_ec_cmd_xfer_status() to return Linux standard error codes.

Looking at the code I am even unsure that makes sense differentiate
these two errors but let's not change the behaviour for now.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Prashant Malani <pmalani@chromium.org>
This commit is contained in:
Enric Balletbo i Serra 2020-02-20 16:58:56 +01:00
parent 413dda8f2c
commit 72540a5716
1 changed files with 18 additions and 18 deletions
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36
drivers/platform/chrome/cros_ec_sysfs.c
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@ -149,14 +149,14 @@ static ssize_t version_show(struct device *dev,
/* Get build info. */
msg->command = EC_CMD_GET_BUILD_INFO + ec->cmd_offset;
msg->insize = EC_HOST_PARAM_SIZE;
ret = cros_ec_cmd_xfer(ec->ec_dev, msg);
if (ret < 0)
count += scnprintf(buf + count, PAGE_SIZE - count,
"Build info: XFER ERROR %d\n", ret);
else if (msg->result != EC_RES_SUCCESS)
ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
if (ret == -EPROTO) {
count += scnprintf(buf + count, PAGE_SIZE - count,
"Build info: EC error %d\n", msg->result);
else {
} else if (ret < 0) {
count += scnprintf(buf + count, PAGE_SIZE - count,
"Build info: XFER ERROR %d\n", ret);
} else {
msg->data[EC_HOST_PARAM_SIZE - 1] = '\0';
count += scnprintf(buf + count, PAGE_SIZE - count,
"Build info: %s\n", msg->data);
@ -165,14 +165,14 @@ static ssize_t version_show(struct device *dev,
/* Get chip info. */
msg->command = EC_CMD_GET_CHIP_INFO + ec->cmd_offset;
msg->insize = sizeof(*r_chip);
ret = cros_ec_cmd_xfer(ec->ec_dev, msg);
if (ret < 0)
count += scnprintf(buf + count, PAGE_SIZE - count,
"Chip info: XFER ERROR %d\n", ret);
else if (msg->result != EC_RES_SUCCESS)
ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
if (ret == -EPROTO) {
count += scnprintf(buf + count, PAGE_SIZE - count,
"Chip info: EC error %d\n", msg->result);
else {
} else if (ret < 0) {
count += scnprintf(buf + count, PAGE_SIZE - count,
"Chip info: XFER ERROR %d\n", ret);
} else {
r_chip = (struct ec_response_get_chip_info *)msg->data;
r_chip->vendor[sizeof(r_chip->vendor) - 1] = '\0';
@ -189,14 +189,14 @@ static ssize_t version_show(struct device *dev,
/* Get board version */
msg->command = EC_CMD_GET_BOARD_VERSION + ec->cmd_offset;
msg->insize = sizeof(*r_board);
ret = cros_ec_cmd_xfer(ec->ec_dev, msg);
if (ret < 0)
count += scnprintf(buf + count, PAGE_SIZE - count,
"Board version: XFER ERROR %d\n", ret);
else if (msg->result != EC_RES_SUCCESS)
ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
if (ret == -EPROTO) {
count += scnprintf(buf + count, PAGE_SIZE - count,
"Board version: EC error %d\n", msg->result);
else {
} else if (ret < 0) {
count += scnprintf(buf + count, PAGE_SIZE - count,
"Board version: XFER ERROR %d\n", ret);
} else {
r_board = (struct ec_response_board_version *)msg->data;
count += scnprintf(buf + count, PAGE_SIZE - count,