linux-kernel - [PATCH v2 14/17] rtc: cros-ec: Use cros_ec

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-next>] [day] [month] [year] [list]

Message-Id: <20200205190028.183069-15-pmalani@chromium.org>
Date:   Wed,  5 Feb 2020 11:00:22 -0800
From:   Prashant Malani <pmalani@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Prashant Malani <pmalani@...omium.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        linux-rtc@...r.kernel.org (open list:REAL TIME CLOCK (RTC) SUBSYSTEM)
Subject: [PATCH v2 14/17] rtc: cros-ec: Use cros_ec_cmd()

Replace cros_ec_cmd_xfer_status() with cros_ec_cmd() which does the
message buffer setup and cleanup.

Signed-off-by: Prashant Malani <pmalani@...omium.org>
---

Changes in v2:
- Updated to use new function name and parameter list.

 drivers/rtc/rtc-cros-ec.c | 27 ++++++++-------------------
 1 file changed, 8 insertions(+), 19 deletions(-)

diff --git a/drivers/rtc/rtc-cros-ec.c b/drivers/rtc/rtc-cros-ec.c
index f7343c289cab73..6886100ad0b8b7 100644
--- a/drivers/rtc/rtc-cros-ec.c
+++ b/drivers/rtc/rtc-cros-ec.c
@@ -33,16 +33,11 @@ static int cros_ec_rtc_get(struct cros_ec_device *cros_ec, u32 command,
 			   u32 *response)
 {
 	int ret;
-	struct {
-		struct cros_ec_command msg;
-		struct ec_response_rtc data;
-	} __packed msg;
 
-	memset(&msg, 0, sizeof(msg));
-	msg.msg.command = command;
-	msg.msg.insize = sizeof(msg.data);
+	struct ec_response_rtc data = {0};
 
-	ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg);
+	ret = cros_ec_cmd(cros_ec, 0, command, NULL, 0, &data, sizeof(data),
+			  NULL);
 	if (ret < 0) {
 		dev_err(cros_ec->dev,
 			"error getting %s from EC: %d\n",
@@ -51,7 +46,7 @@ static int cros_ec_rtc_get(struct cros_ec_device *cros_ec, u32 command,
 		return ret;
 	}
 
-	*response = msg.data.time;
+	*response = data.time;
 
 	return 0;
 }
@@ -60,17 +55,11 @@ static int cros_ec_rtc_set(struct cros_ec_device *cros_ec, u32 command,
 			   u32 param)
 {
 	int ret = 0;
-	struct {
-		struct cros_ec_command msg;
-		struct ec_response_rtc data;
-	} __packed msg;
+	struct ec_response_rtc  data;
 
-	memset(&msg, 0, sizeof(msg));
-	msg.msg.command = command;
-	msg.msg.outsize = sizeof(msg.data);
-	msg.data.time = param;
-
-	ret = cros_ec_cmd_xfer_status(cros_ec, &msg.msg);
+	data.time = param;
+	ret = cros_ec_cmd(cros_ec, 0, command, &data, sizeof(data), NULL, 0,
+			  NULL);
 	if (ret < 0) {
 		dev_err(cros_ec->dev, "error setting %s on EC: %d\n",
 			command == EC_CMD_RTC_SET_VALUE ? "time" : "alarm",
-- 
2.25.0.341.g760bfbb309-goog