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Message-Id: <20210930022403.3358070-6-pmalani@chromium.org>
Date: Wed, 29 Sep 2021 19:23:56 -0700
From: Prashant Malani <pmalani@...omium.org>
To: linux-kernel@...r.kernel.org
Cc: Prashant Malani <pmalani@...omium.org>,
Benson Leung <bleung@...omium.org>,
Enric Balletbo i Serra <enric.balletbo@...labora.com>,
Guenter Roeck <groeck@...omium.org>
Subject: [PATCH 5/5] platform/chrome: cros_ec_typec: Use cros_ec_command()
Re-use the existing cros_ec_command() instead of relying on a duplicate
version.
Signed-off-by: Prashant Malani <pmalani@...omium.org>
---
drivers/platform/chrome/cros_ec_typec.c | 69 +++++++------------------
1 file changed, 19 insertions(+), 50 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 7b3afb6cda5d..5de0bfb0bc4d 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -379,37 +379,6 @@ static int cros_typec_init_ports(struct cros_typec_data *typec)
return ret;
}
-static int cros_typec_ec_command(struct cros_typec_data *typec,
- unsigned int version,
- unsigned int command,
- void *outdata,
- unsigned int outsize,
- void *indata,
- unsigned int insize)
-{
- struct cros_ec_command *msg;
- int ret;
-
- msg = kzalloc(sizeof(*msg) + max(outsize, insize), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- msg->version = version;
- msg->command = command;
- msg->outsize = outsize;
- msg->insize = insize;
-
- if (outsize)
- memcpy(msg->data, outdata, outsize);
-
- ret = cros_ec_cmd_xfer_status(typec->ec, msg);
- if (ret >= 0 && insize)
- memcpy(indata, msg->data, insize);
-
- kfree(msg);
- return ret;
-}
-
static int cros_typec_usb_safe_state(struct cros_typec_port *port)
{
port->state.mode = TYPEC_STATE_SAFE;
@@ -596,8 +565,8 @@ static int cros_typec_configure_mux(struct cros_typec_data *typec, int port_num,
/* Sending Acknowledgment to EC */
mux_ack.port = port_num;
- if (cros_typec_ec_command(typec, 0, EC_CMD_USB_PD_MUX_ACK, &mux_ack,
- sizeof(mux_ack), NULL, 0) < 0)
+ if (cros_ec_command(typec->ec, 0, EC_CMD_USB_PD_MUX_ACK, &mux_ack,
+ sizeof(mux_ack), NULL, 0) < 0)
dev_warn(typec->dev,
"Failed to send Mux ACK to EC for port: %d\n",
port_num);
@@ -668,8 +637,8 @@ static int cros_typec_get_mux_info(struct cros_typec_data *typec, int port_num,
.port = port_num,
};
- return cros_typec_ec_command(typec, 0, EC_CMD_USB_PD_MUX_INFO, &req,
- sizeof(req), resp, sizeof(*resp));
+ return cros_ec_command(typec->ec, 0, EC_CMD_USB_PD_MUX_INFO, &req,
+ sizeof(req), resp, sizeof(*resp));
}
/*
@@ -776,8 +745,8 @@ static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p
int ret = 0;
memset(disc, 0, EC_PROTO2_MAX_RESPONSE_SIZE);
- ret = cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_DISCOVERY, &req, sizeof(req),
- disc, EC_PROTO2_MAX_RESPONSE_SIZE);
+ ret = cros_ec_command(typec->ec, 0, EC_CMD_TYPEC_DISCOVERY, &req, sizeof(req),
+ disc, EC_PROTO2_MAX_RESPONSE_SIZE);
if (ret < 0) {
dev_err(typec->dev, "Failed to get SOP' discovery data for port: %d\n", port_num);
goto sop_prime_disc_exit;
@@ -859,8 +828,8 @@ static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_nu
typec_partner_set_pd_revision(port->partner, pd_revision);
memset(sop_disc, 0, EC_PROTO2_MAX_RESPONSE_SIZE);
- ret = cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_DISCOVERY, &req, sizeof(req),
- sop_disc, EC_PROTO2_MAX_RESPONSE_SIZE);
+ ret = cros_ec_command(typec->ec, 0, EC_CMD_TYPEC_DISCOVERY, &req, sizeof(req),
+ sop_disc, EC_PROTO2_MAX_RESPONSE_SIZE);
if (ret < 0) {
dev_err(typec->dev, "Failed to get SOP discovery data for port: %d\n", port_num);
goto disc_exit;
@@ -892,8 +861,8 @@ static int cros_typec_send_clear_event(struct cros_typec_data *typec, int port_n
.clear_events_mask = events_mask,
};
- return cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_CONTROL, &req,
- sizeof(req), NULL, 0);
+ return cros_ec_command(typec->ec, 0, EC_CMD_TYPEC_CONTROL, &req,
+ sizeof(req), NULL, 0);
}
static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num)
@@ -904,8 +873,8 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num
};
int ret;
- ret = cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_STATUS, &req, sizeof(req),
- &resp, sizeof(resp));
+ ret = cros_ec_command(typec->ec, 0, EC_CMD_TYPEC_STATUS, &req, sizeof(req),
+ &resp, sizeof(resp));
if (ret < 0) {
dev_warn(typec->dev, "EC_CMD_TYPEC_STATUS failed for port: %d\n", port_num);
return;
@@ -983,9 +952,9 @@ static int cros_typec_port_update(struct cros_typec_data *typec, int port_num)
req.mux = USB_PD_CTRL_MUX_NO_CHANGE;
req.swap = USB_PD_CTRL_SWAP_NONE;
- ret = cros_typec_ec_command(typec, typec->pd_ctrl_ver,
- EC_CMD_USB_PD_CONTROL, &req, sizeof(req),
- &resp, sizeof(resp));
+ ret = cros_ec_command(typec->ec, typec->pd_ctrl_ver,
+ EC_CMD_USB_PD_CONTROL, &req, sizeof(req),
+ &resp, sizeof(resp));
if (ret < 0)
return ret;
@@ -1035,8 +1004,8 @@ static int cros_typec_get_cmd_version(struct cros_typec_data *typec)
/* We're interested in the PD control command version. */
req_v1.cmd = EC_CMD_USB_PD_CONTROL;
- ret = cros_typec_ec_command(typec, 1, EC_CMD_GET_CMD_VERSIONS,
- &req_v1, sizeof(req_v1), &resp,
+ ret = cros_ec_command(typec->ec, 1, EC_CMD_GET_CMD_VERSIONS,
+ &req_v1, sizeof(req_v1), &resp,
sizeof(resp));
if (ret < 0)
return ret;
@@ -1119,8 +1088,8 @@ static int cros_typec_probe(struct platform_device *pdev)
typec->typec_cmd_supported = cros_ec_check_features(ec_dev, EC_FEATURE_TYPEC_CMD);
typec->needs_mux_ack = cros_ec_check_features(ec_dev, EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK);
- ret = cros_typec_ec_command(typec, 0, EC_CMD_USB_PD_PORTS, NULL, 0,
- &resp, sizeof(resp));
+ ret = cros_ec_command(typec->ec, 0, EC_CMD_USB_PD_PORTS, NULL, 0,
+ &resp, sizeof(resp));
if (ret < 0)
return ret;
--
2.33.0.685.g46640cef36-goog
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