8 files changed, 30 insertions, 10 deletions
diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
index 81054de0dd81..6fc8f2c3ac51 100644
--- a/drivers/platform/chrome/cros_ec.c
+++ b/drivers/platform/chrome/cros_ec.c
@@ -17,6 +17,8 @@
 #include <linux/platform_data/cros_ec_proto.h>
 #include <linux/suspend.h>
 
+#include "cros_ec.h"
+
 #define CROS_EC_DEV_EC_INDEX 0
 #define CROS_EC_DEV_PD_INDEX 1
 
diff --git a/drivers/platform/chrome/cros_ec.h b/drivers/platform/chrome/cros_ec.h
new file mode 100644
index 000000000000..e69fc1ff68b4
--- /dev/null
+++ b/drivers/platform/chrome/cros_ec.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ChromeOS Embedded Controller core interface.
+ *
+ * Copyright (C) 2020 Google LLC
+ */
+
+#ifndef __CROS_EC_H
+#define __CROS_EC_H
+
+int cros_ec_register(struct cros_ec_device *ec_dev);
+int cros_ec_unregister(struct cros_ec_device *ec_dev);
+
+int cros_ec_suspend(struct cros_ec_device *ec_dev);
+int cros_ec_resume(struct cros_ec_device *ec_dev);
+
+bool cros_ec_handle_event(struct cros_ec_device *ec_dev);
+
+#endif /* __CROS_EC_H */
diff --git a/drivers/platform/chrome/cros_ec_i2c.c b/drivers/platform/chrome/cros_ec_i2c.c
index 9bd97bc8454b..6119eccd8a18 100644
--- a/drivers/platform/chrome/cros_ec_i2c.c
+++ b/drivers/platform/chrome/cros_ec_i2c.c
@@ -14,6 +14,8 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
+#include "cros_ec.h"
+
 /**
  * Request format for protocol v3
  * byte 0	0xda (EC_COMMAND_PROTOCOL_3)
diff --git a/drivers/platform/chrome/cros_ec_ishtp.c b/drivers/platform/chrome/cros_ec_ishtp.c
index 5f8e76f3022a..93a71e93a2f1 100644
--- a/drivers/platform/chrome/cros_ec_ishtp.c
+++ b/drivers/platform/chrome/cros_ec_ishtp.c
@@ -14,6 +14,8 @@
 #include <linux/platform_data/cros_ec_proto.h>
 #include <linux/intel-ish-client-if.h>
 
+#include "cros_ec.h"
+
 /*
  * ISH TX/RX ring buffer pool size
  *
diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index ffdea7c347f2..1f7861944044 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -23,6 +23,7 @@
 #include <linux/printk.h>
 #include <linux/suspend.h>
 
+#include "cros_ec.h"
 #include "cros_ec_lpc_mec.h"
 
 #define DRV_NAME "cros_ec_lpcs"
diff --git a/drivers/platform/chrome/cros_ec_rpmsg.c b/drivers/platform/chrome/cros_ec_rpmsg.c
index bd068afe43b5..dbc3f5523b83 100644
--- a/drivers/platform/chrome/cros_ec_rpmsg.c
+++ b/drivers/platform/chrome/cros_ec_rpmsg.c
@@ -13,6 +13,8 @@
 #include <linux/rpmsg.h>
 #include <linux/slab.h>
 
+#include "cros_ec.h"
+
 #define EC_MSG_TIMEOUT_MS	200
 #define HOST_COMMAND_MARK	1
 #define HOST_EVENT_MARK		2
diff --git a/drivers/platform/chrome/cros_ec_spi.c b/drivers/platform/chrome/cros_ec_spi.c
index a831bd5a5b2f..46786d2d679a 100644
--- a/drivers/platform/chrome/cros_ec_spi.c
+++ b/drivers/platform/chrome/cros_ec_spi.c
@@ -14,6 +14,8 @@
 #include <linux/spi/spi.h>
 #include <uapi/linux/sched/types.h>
 
+#include "cros_ec.h"
+
 /* The header byte, which follows the preamble */
 #define EC_MSG_HEADER			0xec
 
diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h
index 119b9951c055..ba5914770191 100644
--- a/include/linux/platform_data/cros_ec_proto.h
+++ b/include/linux/platform_data/cros_ec_proto.h
@@ -206,10 +206,6 @@ struct cros_ec_dev {
 
 #define to_cros_ec_dev(dev)  container_of(dev, struct cros_ec_dev, class_dev)
 
-int cros_ec_suspend(struct cros_ec_device *ec_dev);
-
-int cros_ec_resume(struct cros_ec_device *ec_dev);
-
 int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
 		       struct cros_ec_command *msg);
 
@@ -222,10 +218,6 @@ int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
 int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
 			    struct cros_ec_command *msg);
 
-int cros_ec_register(struct cros_ec_device *ec_dev);
-
-int cros_ec_unregister(struct cros_ec_device *ec_dev);
-
 int cros_ec_query_all(struct cros_ec_device *ec_dev);
 
 int cros_ec_get_next_event(struct cros_ec_device *ec_dev,
@@ -238,8 +230,6 @@ int cros_ec_check_features(struct cros_ec_dev *ec, int feature);
 
 int cros_ec_get_sensor_count(struct cros_ec_dev *ec);
 
-bool cros_ec_handle_event(struct cros_ec_device *ec_dev);
-
 /**
  * cros_ec_get_time_ns() - Return time in ns.
  *