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path: root/drivers/platform/chrome
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Diffstat (limited to 'drivers/platform/chrome')
-rw-r--r--drivers/platform/chrome/chromeos_laptop.c100
1 files changed, 60 insertions, 40 deletions
diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 472a03daa869..4e14b4d6635d 100644
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -52,12 +52,15 @@ struct i2c_peripheral {
enum i2c_adapter_type type;
u32 pci_devid;
+ const struct property_entry *properties;
+
struct i2c_client *client;
};
struct acpi_peripheral {
char hid[ACPI_ID_LEN];
- const struct property_entry *properties;
+ struct software_node swnode;
+ struct i2c_client *client;
};
struct chromeos_laptop {
@@ -68,7 +71,7 @@ struct chromeos_laptop {
struct i2c_peripheral *i2c_peripherals;
unsigned int num_i2c_peripherals;
- const struct acpi_peripheral *acpi_peripherals;
+ struct acpi_peripheral *acpi_peripherals;
unsigned int num_acpi_peripherals;
};
@@ -161,7 +164,7 @@ static void chromeos_laptop_check_adapter(struct i2c_adapter *adapter)
static bool chromeos_laptop_adjust_client(struct i2c_client *client)
{
- const struct acpi_peripheral *acpi_dev;
+ struct acpi_peripheral *acpi_dev;
struct acpi_device_id acpi_ids[2] = { };
int i;
int error;
@@ -175,8 +178,7 @@ static bool chromeos_laptop_adjust_client(struct i2c_client *client)
memcpy(acpi_ids[0].id, acpi_dev->hid, ACPI_ID_LEN);
if (acpi_match_device(acpi_ids, &client->dev)) {
- error = device_add_properties(&client->dev,
- acpi_dev->properties);
+ error = device_add_software_node(&client->dev, &acpi_dev->swnode);
if (error) {
dev_err(&client->dev,
"failed to add properties: %d\n",
@@ -184,6 +186,8 @@ static bool chromeos_laptop_adjust_client(struct i2c_client *client)
break;
}
+ acpi_dev->client = client;
+
return true;
}
}
@@ -193,15 +197,28 @@ static bool chromeos_laptop_adjust_client(struct i2c_client *client)
static void chromeos_laptop_detach_i2c_client(struct i2c_client *client)
{
+ struct acpi_peripheral *acpi_dev;
struct i2c_peripheral *i2c_dev;
int i;
- for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) {
- i2c_dev = &cros_laptop->i2c_peripherals[i];
+ if (has_acpi_companion(&client->dev))
+ for (i = 0; i < cros_laptop->num_acpi_peripherals; i++) {
+ acpi_dev = &cros_laptop->acpi_peripherals[i];
- if (i2c_dev->client == client)
- i2c_dev->client = NULL;
- }
+ if (acpi_dev->client == client) {
+ acpi_dev->client = NULL;
+ return;
+ }
+ }
+ else
+ for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) {
+ i2c_dev = &cros_laptop->i2c_peripherals[i];
+
+ if (i2c_dev->client == client) {
+ i2c_dev->client = NULL;
+ return;
+ }
+ }
}
static int chromeos_laptop_i2c_notifier_call(struct notifier_block *nb,
@@ -302,28 +319,26 @@ static struct i2c_peripheral chromebook_pixel_peripherals[] __initdata = {
.board_info = {
I2C_BOARD_INFO("atmel_mxt_ts",
ATMEL_TS_I2C_ADDR),
- .properties =
- chromebook_atmel_touchscreen_props,
.flags = I2C_CLIENT_WAKE,
},
.dmi_name = "touchscreen",
.irqflags = IRQF_TRIGGER_FALLING,
.type = I2C_ADAPTER_PANEL,
.alt_addr = ATMEL_TS_I2C_BL_ADDR,
+ .properties = chromebook_atmel_touchscreen_props,
},
/* Touchpad. */
{
.board_info = {
I2C_BOARD_INFO("atmel_mxt_tp",
ATMEL_TP_I2C_ADDR),
- .properties =
- chromebook_pixel_trackpad_props,
.flags = I2C_CLIENT_WAKE,
},
.dmi_name = "trackpad",
.irqflags = IRQF_TRIGGER_FALLING,
.type = I2C_ADAPTER_VGADDC,
.alt_addr = ATMEL_TP_I2C_BL_ADDR,
+ .properties = chromebook_pixel_trackpad_props,
},
/* Light Sensor. */
{
@@ -414,8 +429,6 @@ static struct i2c_peripheral acer_c720_peripherals[] __initdata = {
.board_info = {
I2C_BOARD_INFO("atmel_mxt_ts",
ATMEL_TS_I2C_ADDR),
- .properties =
- chromebook_atmel_touchscreen_props,
.flags = I2C_CLIENT_WAKE,
},
.dmi_name = "touchscreen",
@@ -423,6 +436,7 @@ static struct i2c_peripheral acer_c720_peripherals[] __initdata = {
.type = I2C_ADAPTER_DESIGNWARE,
.pci_devid = PCI_DEVID(0, PCI_DEVFN(0x15, 0x2)),
.alt_addr = ATMEL_TS_I2C_BL_ADDR,
+ .properties = chromebook_atmel_touchscreen_props,
},
/* Touchpad. */
{
@@ -498,12 +512,16 @@ static struct acpi_peripheral samus_peripherals[] __initdata = {
/* Touchpad */
{
.hid = "ATML0000",
- .properties = samus_trackpad_props,
+ .swnode = {
+ .properties = samus_trackpad_props,
+ },
},
/* Touchsceen */
{
.hid = "ATML0001",
- .properties = chromebook_atmel_touchscreen_props,
+ .swnode = {
+ .properties = chromebook_atmel_touchscreen_props,
+ },
},
};
DECLARE_ACPI_CROS_LAPTOP(samus);
@@ -512,12 +530,16 @@ static struct acpi_peripheral generic_atmel_peripherals[] __initdata = {
/* Touchpad */
{
.hid = "ATML0000",
- .properties = chromebook_pixel_trackpad_props,
+ .swnode = {
+ .properties = chromebook_pixel_trackpad_props,
+ },
},
/* Touchsceen */
{
.hid = "ATML0001",
- .properties = chromebook_atmel_touchscreen_props,
+ .swnode = {
+ .properties = chromebook_atmel_touchscreen_props,
+ },
},
};
DECLARE_ACPI_CROS_LAPTOP(generic_atmel);
@@ -743,12 +765,11 @@ chromeos_laptop_prepare_i2c_peripherals(struct chromeos_laptop *cros_laptop,
if (error)
goto err_out;
- /* We need to deep-copy properties */
- if (info->properties) {
- info->properties =
- property_entries_dup(info->properties);
- if (IS_ERR(info->properties)) {
- error = PTR_ERR(info->properties);
+ /* Create primary fwnode for the device - copies everything */
+ if (i2c_dev->properties) {
+ info->fwnode = fwnode_create_software_node(i2c_dev->properties, NULL);
+ if (IS_ERR(info->fwnode)) {
+ error = PTR_ERR(info->fwnode);
goto err_out;
}
}
@@ -760,8 +781,8 @@ err_out:
while (--i >= 0) {
i2c_dev = &cros_laptop->i2c_peripherals[i];
info = &i2c_dev->board_info;
- if (info->properties)
- property_entries_free(info->properties);
+ if (!IS_ERR_OR_NULL(info->fwnode))
+ fwnode_remove_software_node(info->fwnode);
}
kfree(cros_laptop->i2c_peripherals);
return error;
@@ -801,11 +822,11 @@ chromeos_laptop_prepare_acpi_peripherals(struct chromeos_laptop *cros_laptop,
*acpi_dev = *src_dev;
/* We need to deep-copy properties */
- if (src_dev->properties) {
- acpi_dev->properties =
- property_entries_dup(src_dev->properties);
- if (IS_ERR(acpi_dev->properties)) {
- error = PTR_ERR(acpi_dev->properties);
+ if (src_dev->swnode.properties) {
+ acpi_dev->swnode.properties =
+ property_entries_dup(src_dev->swnode.properties);
+ if (IS_ERR(acpi_dev->swnode.properties)) {
+ error = PTR_ERR(acpi_dev->swnode.properties);
goto err_out;
}
}
@@ -821,8 +842,8 @@ chromeos_laptop_prepare_acpi_peripherals(struct chromeos_laptop *cros_laptop,
err_out:
while (--i >= 0) {
acpi_dev = &acpi_peripherals[i];
- if (acpi_dev->properties)
- property_entries_free(acpi_dev->properties);
+ if (!IS_ERR_OR_NULL(acpi_dev->swnode.properties))
+ property_entries_free(acpi_dev->swnode.properties);
}
kfree(acpi_peripherals);
@@ -833,21 +854,20 @@ static void chromeos_laptop_destroy(const struct chromeos_laptop *cros_laptop)
{
const struct acpi_peripheral *acpi_dev;
struct i2c_peripheral *i2c_dev;
- struct i2c_board_info *info;
int i;
for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) {
i2c_dev = &cros_laptop->i2c_peripherals[i];
- info = &i2c_dev->board_info;
-
i2c_unregister_device(i2c_dev->client);
- property_entries_free(info->properties);
}
for (i = 0; i < cros_laptop->num_acpi_peripherals; i++) {
acpi_dev = &cros_laptop->acpi_peripherals[i];
- property_entries_free(acpi_dev->properties);
+ if (acpi_dev->client)
+ device_remove_software_node(&acpi_dev->client->dev);
+
+ property_entries_free(acpi_dev->swnode.properties);
}
kfree(cros_laptop->i2c_peripherals);
generated by cgit (git 2.34.1) at 2024-06-30 05:58:50 +0000