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Date: Mon, 20 Nov 2017 17:15:25 +0100
From: Thierry Escande <thierry.escande@...labora.com>
To: Lee Jones <lee.jones@...aro.org>,
Benson Leung <bleung@...omium.org>
Cc: Enric Balletbo i Serra <enric.balletbo@...labora.com>,
Gwendal Grignou <gwendal@...omium.org>,
Guenter Roeck <groeck@...gle.com>, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] cros_ec: Split cros_ec_devs module
This patch splits the cros_ec_devs module in two parts with a
cros_ec_dev module responsible for handling MFD devices registration and
a cros_ec_ctl module responsible for handling the various user-space
interfaces.
For consistency purpose, the driver name for the cros_ec_dev module is
now cros-ec-dev instead of cros-ec-ctl.
In the next commit, the new cros_ec_dev module will be moved to the MFD
subtree so mfd_add_devices() calls are not done from outside MFD.
Signed-off-by: Thierry Escande <thierry.escande@...labora.com>
---
drivers/mfd/cros_ec.c | 4 ++--
drivers/platform/chrome/Kconfig | 4 ++++
drivers/platform/chrome/Makefile | 8 ++++----
drivers/platform/chrome/cros_ec_debugfs.c | 2 ++
drivers/platform/chrome/cros_ec_dev.c | 7 +++++--
drivers/platform/chrome/cros_ec_lightbar.c | 4 ++++
drivers/platform/chrome/cros_ec_sysfs.c | 3 +++
drivers/platform/chrome/cros_ec_vbc.c | 1 +
8 files changed, 25 insertions(+), 8 deletions(-)
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index b0ca5a4c..d610241 100644
--- a/drivers/mfd/cros_ec.c
+++ b/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),
};
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index 0ad6e29..bffc892 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -41,12 +41,16 @@ config CHROMEOS_PSTORE
config 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 CROS_EC_CTL
+ tristate
+
config CROS_EC_LPC
tristate "ChromeOS Embedded Controller (LPC)"
depends on MFD_CROS_EC && ACPI && (X86 || COMPILE_TEST)
diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile
index a077b1f..bc239ec 100644
--- a/drivers/platform/chrome/Makefile
+++ b/drivers/platform/chrome/Makefile
@@ -2,10 +2,10 @@
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
+obj-$(CONFIG_CROS_EC_CHARDEV) += cros_ec_dev.o
cros_ec_lpcs-objs := cros_ec_lpc.o cros_ec_lpc_reg.o
cros_ec_lpcs-$(CONFIG_CROS_EC_LPC_MEC) += cros_ec_lpc_mec.o
obj-$(CONFIG_CROS_EC_LPC) += cros_ec_lpcs.o
diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c
index 4cc66f4..d0b8ce0 100644
--- a/drivers/platform/chrome/cros_ec_debugfs.c
+++ b/drivers/platform/chrome/cros_ec_debugfs.c
@@ -390,6 +390,7 @@ 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 +400,4 @@ 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);
diff --git a/drivers/platform/chrome/cros_ec_dev.c b/drivers/platform/chrome/cros_ec_dev.c
index cf6c4f0..daf0ffd 100644
--- a/drivers/platform/chrome/cros_ec_dev.c
+++ b/drivers/platform/chrome/cros_ec_dev.c
@@ -28,6 +28,8 @@
#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 +463,7 @@ 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 +495,7 @@ 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 +546,7 @@ 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@...omium.org>");
MODULE_DESCRIPTION("Userspace interface to the Chrome OS Embedded Controller");
MODULE_VERSION("1.0");
diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/chrome/cros_ec_lightbar.c
index fd2b047..925d91c 100644
--- a/drivers/platform/chrome/cros_ec_lightbar.c
+++ b/drivers/platform/chrome/cros_ec_lightbar.c
@@ -414,6 +414,7 @@ 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 +423,7 @@ 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 +432,7 @@ 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 +625,4 @@ 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);
diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
index f3baf99..201f11a 100644
--- a/drivers/platform/chrome/cros_ec_sysfs.c
+++ b/drivers/platform/chrome/cros_ec_sysfs.c
@@ -294,4 +294,7 @@ 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");
diff --git a/drivers/platform/chrome/cros_ec_vbc.c b/drivers/platform/chrome/cros_ec_vbc.c
index 564a0d0..6d38e6b 100644
--- a/drivers/platform/chrome/cros_ec_vbc.c
+++ b/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);
--
2.7.4
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