[PATCH 15/17] media: cros-ec-cec: Use cros_ec_send_cmd_msg()

From: Prashant Malani
Date: Thu Jan 30 2020 - 15:36:09 EST


Replace cros_ec_cmd_xfer_status() with cros_ec_send_cmd_msg() which does
the message buffer setup and cleanup, but is located in platform/chrome
and used by other drivers.

Signed-off-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
---
.../media/platform/cros-ec-cec/cros-ec-cec.c | 39 +++++++------------
1 file changed, 14 insertions(+), 25 deletions(-)

diff --git a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
index f048e89947850e..0ee7354dca9724 100644
--- a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
+++ b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
@@ -94,18 +94,14 @@ static int cros_ec_cec_set_log_addr(struct cec_adapter *adap, u8 logical_addr)
{
struct cros_ec_cec *cros_ec_cec = adap->priv;
struct cros_ec_device *cros_ec = cros_ec_cec->cros_ec;
- struct {
- struct cros_ec_command msg;
- struct ec_params_cec_set data;
- } __packed msg = {};
+ struct ec_params_cec_set data;
int ret;

- msg.msg.command = EC_CMD_CEC_SET;
- msg.msg.outsize = sizeof(msg.data);
- msg.data.cmd = CEC_CMD_LOGICAL_ADDRESS;
- msg.data.val = logical_addr;
+ data.cmd = CEC_CMD_LOGICAL_ADDRESS;
+ data.val = logical_addr;

- ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg);
+ ret = cros_ec_send_cmd_msg(cros_ec, 0, EC_CMD_CEC_SET, &data,
+ sizeof(data), NULL, 0);
if (ret < 0) {
dev_err(cros_ec->dev,
"error setting CEC logical address on EC: %d\n", ret);
@@ -120,17 +116,14 @@ static int cros_ec_cec_transmit(struct cec_adapter *adap, u8 attempts,
{
struct cros_ec_cec *cros_ec_cec = adap->priv;
struct cros_ec_device *cros_ec = cros_ec_cec->cros_ec;
- struct {
- struct cros_ec_command msg;
- struct ec_params_cec_write data;
- } __packed msg = {};
+ struct ec_params_cec_write data = {};
int ret;

- msg.msg.command = EC_CMD_CEC_WRITE_MSG;
msg.msg.outsize = cec_msg->len;
- memcpy(msg.data.msg, cec_msg->msg, cec_msg->len);
+ memcpy(data.msg, cec_msg->msg, cec_msg->len);

- ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg);
+ ret = cros_ec_send_cmd_msg(cros_ec, 0, EC_CMD_CEC_WRITE_MSG,
+ &data, sizeof(cec_msg->len), NULL, 0);
if (ret < 0) {
dev_err(cros_ec->dev,
"error writing CEC msg on EC: %d\n", ret);
@@ -144,18 +137,14 @@ static int cros_ec_cec_adap_enable(struct cec_adapter *adap, bool enable)
{
struct cros_ec_cec *cros_ec_cec = adap->priv;
struct cros_ec_device *cros_ec = cros_ec_cec->cros_ec;
- struct {
- struct cros_ec_command msg;
- struct ec_params_cec_set data;
- } __packed msg = {};
+ struct ec_params_cec_set data = {0};
int ret;

- msg.msg.command = EC_CMD_CEC_SET;
- msg.msg.outsize = sizeof(msg.data);
- msg.data.cmd = CEC_CMD_ENABLE;
- msg.data.val = enable;
+ data.cmd = CEC_CMD_ENABLE;
+ data.val = enable;

- ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg);
+ ret = cros_ec_send_cmd_msg(cros_ec, 0, EC_CMD_CEC_SET, &data,
+ sizeof(data), NULL, 0);
if (ret < 0) {
dev_err(cros_ec->dev,
"error %sabling CEC on EC: %d\n",
--
2.25.0.341.g760bfbb309-goog