Merge branch 'ibs-for-chrome-platform-merged' into working-branch-for-4.16

Signed-off-by: Benson Leung <bleung@chromium.org>

drivers/mfd/Kconfig

@@ -222,6 +222,16 @@ config MFD_CROS_EC_SPI
 	  response time cannot be guaranteed, we support ignoring
 	  'pre-amble' bytes before the response actually starts.
 
+config MFD_CROS_EC_CHARDEV
+        tristate "Chrome OS Embedded Controller userspace device interface"
+        depends on MFD_CROS_EC
+        select CROS_EC_CTL
+        ---help---
+          This driver adds support to talk with the ChromeOS EC from userspace.
+
+          If you have a supported Chromebook, choose Y or M here.
+          The module will be called cros_ec_dev.
+
 config MFD_ASIC3
 	bool "Compaq ASIC3"
 	depends on GPIOLIB && ARM

drivers/mfd/Makefile

@@ -17,6 +17,7 @@ cros_ec_core-$(CONFIG_ACPI)	+= cros_ec_acpi_gpe.o
 obj-$(CONFIG_MFD_CROS_EC)	+= cros_ec_core.o
 obj-$(CONFIG_MFD_CROS_EC_I2C)	+= cros_ec_i2c.o
 obj-$(CONFIG_MFD_CROS_EC_SPI)	+= cros_ec_spi.o
+obj-$(CONFIG_MFD_CROS_EC_CHARDEV) += cros_ec_dev.o
 obj-$(CONFIG_MFD_EXYNOS_LPASS)	+= exynos-lpass.o
 
 rtsx_pci-objs			:= rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o

drivers/mfd/cros_ec.c

@@ -40,13 +40,13 @@ static struct cros_ec_platform pd_p = {
 };
 
 static const struct mfd_cell ec_cell = {
-	.name = "cros-ec-ctl",
+	.name = "cros-ec-dev",
 	.platform_data = &ec_p,
 	.pdata_size = sizeof(ec_p),
 };
 
 static const struct mfd_cell ec_pd_cell = {
-	.name = "cros-ec-ctl",
+	.name = "cros-ec-dev",
 	.platform_data = &pd_p,
 	.pdata_size = sizeof(pd_p),
 };

drivers/platform/chrome/cros_ec_dev.c → drivers/mfd/cros_ec_dev.c

@@ -25,9 +25,10 @@
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 
-#include "cros_ec_debugfs.h"
 #include "cros_ec_dev.h"
 
+#define DRV_NAME "cros-ec-dev"
+
 /* Device variables */
 #define CROS_MAX_DEV 128
 static int ec_major;
@@ -461,7 +462,7 @@ static int ec_device_remove(struct platform_device *pdev)
 }
 
 static const struct platform_device_id cros_ec_id[] = {
-	{ "cros-ec-ctl", 0 },
+	{ DRV_NAME, 0 },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(platform, cros_ec_id);
@@ -493,7 +494,7 @@ static const struct dev_pm_ops cros_ec_dev_pm_ops = {
 
 static struct platform_driver cros_ec_dev_driver = {
 	.driver = {
-		.name = "cros-ec-ctl",
+		.name = DRV_NAME,
 		.pm = &cros_ec_dev_pm_ops,
 	},
 	.probe = ec_device_probe,
@@ -544,6 +545,7 @@ static void __exit cros_ec_dev_exit(void)
 module_init(cros_ec_dev_init);
 module_exit(cros_ec_dev_exit);
 
+MODULE_ALIAS("platform:" DRV_NAME);
 MODULE_AUTHOR("Bill Richardson <wfrichar@chromium.org>");
 MODULE_DESCRIPTION("Userspace interface to the Chrome OS Embedded Controller");
 MODULE_VERSION("1.0");

drivers/platform/chrome/Kconfig

@@ -38,14 +38,8 @@ config CHROMEOS_PSTORE
 	  If you have a supported Chromebook, choose Y or M here.
 	  The module will be called chromeos_pstore.
 
-config CROS_EC_CHARDEV
-        tristate "Chrome OS Embedded Controller userspace device interface"
-        depends on MFD_CROS_EC
-        ---help---
-          This driver adds support to talk with the ChromeOS EC from userspace.
-
-          If you have a supported Chromebook, choose Y or M here.
-          The module will be called cros_ec_dev.
+config CROS_EC_CTL
+        tristate
 
 config CROS_EC_LPC
         tristate "ChromeOS Embedded Controller (LPC)"

drivers/platform/chrome/Makefile

@@ -2,10 +2,9 @@
 
 obj-$(CONFIG_CHROMEOS_LAPTOP)		+= chromeos_laptop.o
 obj-$(CONFIG_CHROMEOS_PSTORE)		+= chromeos_pstore.o
-cros_ec_devs-objs			:= cros_ec_dev.o cros_ec_sysfs.o \
-					   cros_ec_lightbar.o cros_ec_vbc.o \
-					   cros_ec_debugfs.o
-obj-$(CONFIG_CROS_EC_CHARDEV)		+= cros_ec_devs.o
+cros_ec_ctl-objs			:= cros_ec_sysfs.o cros_ec_lightbar.o \
+					   cros_ec_vbc.o cros_ec_debugfs.o
+obj-$(CONFIG_CROS_EC_CTL)		+= cros_ec_ctl.o
 cros_ec_lpcs-objs			:= cros_ec_lpc.o cros_ec_lpc_reg.o
 cros_ec_lpcs-$(CONFIG_CROS_EC_LPC_MEC)	+= cros_ec_lpc_mec.o
 obj-$(CONFIG_CROS_EC_LPC)		+= cros_ec_lpcs.o

drivers/platform/chrome/cros_ec_debugfs.c

@@ -29,9 +29,6 @@
 #include <linux/slab.h>
 #include <linux/wait.h>
 
-#include "cros_ec_dev.h"
-#include "cros_ec_debugfs.h"
-
 #define LOG_SHIFT		14
 #define LOG_SIZE		(1 << LOG_SHIFT)
 #define LOG_POLL_SEC		10
@@ -390,6 +387,7 @@ int cros_ec_debugfs_init(struct cros_ec_dev *ec)
 	debugfs_remove_recursive(debug_info->dir);
 	return ret;
 }
+EXPORT_SYMBOL(cros_ec_debugfs_init);
 
 void cros_ec_debugfs_remove(struct cros_ec_dev *ec)
 {
@@ -399,3 +397,4 @@ void cros_ec_debugfs_remove(struct cros_ec_dev *ec)
 	debugfs_remove_recursive(ec->debug_info->dir);
 	cros_ec_cleanup_console_log(ec->debug_info);
 }
+EXPORT_SYMBOL(cros_ec_debugfs_remove);

drivers/platform/chrome/cros_ec_debugfs.h

-/*
- * Copyright 2015 Google, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _DRV_CROS_EC_DEBUGFS_H_
-#define _DRV_CROS_EC_DEBUGFS_H_
-
-#include "cros_ec_dev.h"
-
-/* debugfs stuff */
-int cros_ec_debugfs_init(struct cros_ec_dev *ec);
-void cros_ec_debugfs_remove(struct cros_ec_dev *ec);
-
-#endif  /* _DRV_CROS_EC_DEBUGFS_H_ */

drivers/platform/chrome/cros_ec_lightbar.c

@@ -33,8 +33,6 @@
 #include <linux/uaccess.h>
 #include <linux/slab.h>
 
-#include "cros_ec_dev.h"
-
 /* Rate-limit the lightbar interface to prevent DoS. */
 static unsigned long lb_interval_jiffies = 50 * HZ / 1000;
 
@@ -414,6 +412,7 @@ int lb_manual_suspend_ctrl(struct cros_ec_dev *ec, uint8_t enable)
 
 	return ret;
 }
+EXPORT_SYMBOL(lb_manual_suspend_ctrl);
 
 int lb_suspend(struct cros_ec_dev *ec)
 {
@@ -422,6 +421,7 @@ int lb_suspend(struct cros_ec_dev *ec)
 
 	return lb_send_empty_cmd(ec, LIGHTBAR_CMD_SUSPEND);
 }
+EXPORT_SYMBOL(lb_suspend);
 
 int lb_resume(struct cros_ec_dev *ec)
 {
@@ -430,6 +430,7 @@ int lb_resume(struct cros_ec_dev *ec)
 
 	return lb_send_empty_cmd(ec, LIGHTBAR_CMD_RESUME);
 }
+EXPORT_SYMBOL(lb_resume);
 
 static ssize_t sequence_store(struct device *dev, struct device_attribute *attr,
 			      const char *buf, size_t count)
@@ -622,3 +623,4 @@ struct attribute_group cros_ec_lightbar_attr_group = {
 	.attrs = __lb_cmds_attrs,
 	.is_visible = cros_ec_lightbar_attrs_are_visible,
 };
+EXPORT_SYMBOL(cros_ec_lightbar_attr_group);

drivers/platform/chrome/cros_ec_sysfs.c

@@ -34,8 +34,6 @@
 #include <linux/types.h>
 #include <linux/uaccess.h>
 
-#include "cros_ec_dev.h"
-
 /* Accessor functions */
 
 static ssize_t show_ec_reboot(struct device *dev,
@@ -294,4 +292,7 @@ static struct attribute *__ec_attrs[] = {
 struct attribute_group cros_ec_attr_group = {
 	.attrs = __ec_attrs,
 };
+EXPORT_SYMBOL(cros_ec_attr_group);
 
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ChromeOS EC control driver");

drivers/platform/chrome/cros_ec_vbc.c

@@ -135,3 +135,4 @@ struct attribute_group cros_ec_vbc_attr_group = {
 	.bin_attrs = cros_ec_vbc_bin_attrs,
 	.is_bin_visible = cros_ec_vbc_is_visible,
 };
+EXPORT_SYMBOL(cros_ec_vbc_attr_group);

include/linux/mfd/cros_ec.h

@@ -322,6 +322,10 @@ extern struct attribute_group cros_ec_attr_group;
 extern struct attribute_group cros_ec_lightbar_attr_group;
 extern struct attribute_group cros_ec_vbc_attr_group;
 
+/* debugfs stuff */
+int cros_ec_debugfs_init(struct cros_ec_dev *ec);
+void cros_ec_debugfs_remove(struct cros_ec_dev *ec);
+
 /* ACPI GPE handler */
 #ifdef CONFIG_ACPI