linux-kernel - [PATCH 17/17] platform/chrome: Drop cros_ec_cmd_xfer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200130203106.201894-18-pmalani@chromium.org>
Date:   Thu, 30 Jan 2020 12:31:10 -0800
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>,
        Lee Jones <lee.jones@...aro.org>,
        Gwendal Grignou <gwendal@...omium.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Evan Green <evgreen@...omium.org>
Subject: [PATCH 17/17] platform/chrome: Drop cros_ec_cmd_xfer_status()

Remove cros_ec_cmd_xfer_status() since all usages of that function
have been converted to cros_ec_send_cmd_msg().

Signed-off-by: Prashant Malani <pmalani@...omium.org>
---
 drivers/platform/chrome/cros_ec_proto.c     | 42 +++++----------------
 include/linux/platform_data/cros_ec_proto.h |  3 --
 2 files changed, 9 insertions(+), 36 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index efd1c0b6a830c8..8b97702ba97393 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -542,35 +542,6 @@ int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
 }
 EXPORT_SYMBOL(cros_ec_cmd_xfer);
 
-/**
- * cros_ec_cmd_xfer_status() - Send a command to the ChromeOS EC.
- * @ec_dev: EC device.
- * @msg: Message to write.
- *
- * This function is identical to cros_ec_cmd_xfer, except it returns success
- * status only if both the command was transmitted successfully and the EC
- * replied with success status. It's not necessary to check msg->result when
- * using this function.
- *
- * Return: The number of bytes transferred on success or negative error code.
- */
-int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
-			    struct cros_ec_command *msg)
-{
-	int ret;
-
-	ret = cros_ec_cmd_xfer(ec_dev, msg);
-	if (ret < 0) {
-		dev_err(ec_dev->dev, "Command xfer error (err:%d)\n", ret);
-	} else if (msg->result != EC_RES_SUCCESS) {
-		dev_dbg(ec_dev->dev, "Command result (err: %d)\n", msg->result);
-		return -EPROTO;
-	}
-
-	return ret;
-}
-EXPORT_SYMBOL(cros_ec_cmd_xfer_status);
-
 /**
  * cros_ec_send_cmd_msg() - Utility function to send commands to ChromeOS EC.
  * @ec: EC device struct.
@@ -581,10 +552,15 @@ EXPORT_SYMBOL(cros_ec_cmd_xfer_status);
  * @indata: Data to be received from the EC.
  * @insize: Size of the &indata buffer.
  *
- * This function is a wrapper around &cros_ec_cmd_xfer_status, and performs
- * some of the common work involved with sending a command to the EC. This
- * includes allocating and filling up a &struct cros_ec_command message buffer,
- * and copying the received data to another buffer.
+ * This function is similar to cros_ec_cmd_xfer(), except it returns success
+ * status only if both the command was transmitted successfully and the EC
+ * replied with success status. It's not necessary to check msg->result when
+ * using this function.
+ *
+ * It also performs some of the common work involved with sending a command to
+ * the EC. This includes allocating and filling up a
+ * &struct cros_ec_command message buffer, and copying the received data to
+ * another buffer.
  *
  * Return: The number of bytes transferred on success or negative error code.
  */
diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h
index 166ce26bdd79eb..851bd9af582d94 100644
--- a/include/linux/platform_data/cros_ec_proto.h
+++ b/include/linux/platform_data/cros_ec_proto.h
@@ -198,9 +198,6 @@ int cros_ec_check_result(struct cros_ec_device *ec_dev,
 int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
 		     struct cros_ec_command *msg);
 
-int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
-			    struct cros_ec_command *msg);
-
 int cros_ec_send_cmd_msg(struct cros_ec_device *ec_dev, unsigned int version,
 			 unsigned int command, void *outdata,
 			 unsigned int outsize, void *indata,
-- 
2.25.0.341.g760bfbb309-goog