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path: root/drivers/hwmon/asus_rog_ryujin.c
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Diffstat (limited to 'drivers/hwmon/asus_rog_ryujin.c')
-rw-r--r--drivers/hwmon/asus_rog_ryujin.c48
1 files changed, 9 insertions, 39 deletions
diff --git a/drivers/hwmon/asus_rog_ryujin.c b/drivers/hwmon/asus_rog_ryujin.c
index e5e93a20723c..10a1f5aca988 100644
--- a/drivers/hwmon/asus_rog_ryujin.c
+++ b/drivers/hwmon/asus_rog_ryujin.c
@@ -81,10 +81,6 @@ static const char *const rog_ryujin_speed_label[] = {
struct rog_ryujin_data {
struct hid_device *hdev;
struct device *hwmon_dev;
- /* For locking access to buffer */
- struct mutex buffer_lock;
- /* For queueing multiple readers */
- struct mutex status_report_request_mutex;
/* For reinitializing the completions below */
spinlock_t status_report_request_lock;
struct completion cooler_status_received;
@@ -153,18 +149,10 @@ static umode_t rog_ryujin_is_visible(const void *data,
/* Writes the command to the device with the rest of the report filled with zeroes */
static int rog_ryujin_write_expanded(struct rog_ryujin_data *priv, const u8 *cmd, int cmd_length)
{
- int ret;
-
- mutex_lock(&priv->buffer_lock);
-
memcpy_and_pad(priv->buffer, MAX_REPORT_LENGTH, cmd, cmd_length, 0x00);
- ret = hid_hw_output_report(priv->hdev, priv->buffer, MAX_REPORT_LENGTH);
-
- mutex_unlock(&priv->buffer_lock);
- return ret;
+ return hid_hw_output_report(priv->hdev, priv->buffer, MAX_REPORT_LENGTH);
}
-/* Assumes priv->status_report_request_mutex is locked */
static int rog_ryujin_execute_cmd(struct rog_ryujin_data *priv, const u8 *cmd, int cmd_length,
struct completion *status_completion)
{
@@ -196,14 +184,11 @@ static int rog_ryujin_execute_cmd(struct rog_ryujin_data *priv, const u8 *cmd, i
static int rog_ryujin_get_status(struct rog_ryujin_data *priv)
{
- int ret = mutex_lock_interruptible(&priv->status_report_request_mutex);
-
- if (ret < 0)
- return ret;
+ int ret;
if (!time_after(jiffies, priv->updated + msecs_to_jiffies(STATUS_VALIDITY))) {
/* Data is up to date */
- goto unlock_and_return;
+ return 0;
}
/* Retrieve cooler status */
@@ -211,36 +196,30 @@ static int rog_ryujin_get_status(struct rog_ryujin_data *priv)
rog_ryujin_execute_cmd(priv, get_cooler_status_cmd, GET_CMD_LENGTH,
&priv->cooler_status_received);
if (ret < 0)
- goto unlock_and_return;
+ return ret;
/* Retrieve controller status (speeds) */
ret =
rog_ryujin_execute_cmd(priv, get_controller_speed_cmd, GET_CMD_LENGTH,
&priv->controller_status_received);
if (ret < 0)
- goto unlock_and_return;
+ return ret;
/* Retrieve cooler duty */
ret =
rog_ryujin_execute_cmd(priv, get_cooler_duty_cmd, GET_CMD_LENGTH,
&priv->cooler_duty_received);
if (ret < 0)
- goto unlock_and_return;
+ return ret;
/* Retrieve controller duty */
ret =
rog_ryujin_execute_cmd(priv, get_controller_duty_cmd, GET_CMD_LENGTH,
&priv->controller_duty_received);
if (ret < 0)
- goto unlock_and_return;
-
- priv->updated = jiffies;
-
-unlock_and_return:
- mutex_unlock(&priv->status_report_request_mutex);
- if (ret < 0)
return ret;
+ priv->updated = jiffies;
return 0;
}
@@ -303,14 +282,11 @@ static int rog_ryujin_write_fixed_duty(struct rog_ryujin_data *priv, int channel
* Retrieve cooler duty since both pump and internal fan are set
* together, then write back with one of them modified.
*/
- ret = mutex_lock_interruptible(&priv->status_report_request_mutex);
- if (ret < 0)
- return ret;
ret =
rog_ryujin_execute_cmd(priv, get_cooler_duty_cmd, GET_CMD_LENGTH,
&priv->cooler_duty_received);
if (ret < 0)
- goto unlock_and_return;
+ return ret;
memcpy(set_cmd, set_cooler_duty_cmd, SET_CMD_LENGTH);
@@ -329,11 +305,7 @@ static int rog_ryujin_write_fixed_duty(struct rog_ryujin_data *priv, int channel
set_cmd[RYUJIN_SET_COOLER_FAN_DUTY_OFFSET] = val;
}
- ret = rog_ryujin_execute_cmd(priv, set_cmd, SET_CMD_LENGTH, &priv->cooler_duty_set);
-unlock_and_return:
- mutex_unlock(&priv->status_report_request_mutex);
- if (ret < 0)
- return ret;
+ return rog_ryujin_execute_cmd(priv, set_cmd, SET_CMD_LENGTH, &priv->cooler_duty_set);
} else {
/*
* Controller fan duty (channel == 2). No need to retrieve current
@@ -538,8 +510,6 @@ static int rog_ryujin_probe(struct hid_device *hdev, const struct hid_device_id
goto fail_and_close;
}
- mutex_init(&priv->status_report_request_mutex);
- mutex_init(&priv->buffer_lock);
spin_lock_init(&priv->status_report_request_lock);
init_completion(&priv->cooler_status_received);
init_completion(&priv->controller_status_received);