This one also gets re-used in certain operations, so it makes sense to
have an unlocked version of this to group it with other
reads/writes/operations to have a single lock for the whole state change.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
EXPORT_SYMBOL(adis_enable_irq);
/**
EXPORT_SYMBOL(adis_enable_irq);
/**
- * adis_check_status() - Check the device for error conditions
+ * __adis_check_status() - Check the device for error conditions (unlocked)
* @adis: The adis device
*
* Returns 0 on success, a negative error code otherwise
*/
* @adis: The adis device
*
* Returns 0 on success, a negative error code otherwise
*/
-int adis_check_status(struct adis *adis)
+int __adis_check_status(struct adis *adis)
{
uint16_t status;
int ret;
int i;
{
uint16_t status;
int ret;
int i;
- ret = adis_read_reg_16(adis, adis->data->diag_stat_reg, &status);
+ ret = __adis_read_reg_16(adis, adis->data->diag_stat_reg, &status);
-EXPORT_SYMBOL_GPL(adis_check_status);
+EXPORT_SYMBOL_GPL(__adis_check_status);
/**
* adis_reset() - Reset the device
/**
* adis_reset() - Reset the device
}
int adis_enable_irq(struct adis *adis, bool enable);
}
int adis_enable_irq(struct adis *adis, bool enable);
-int adis_check_status(struct adis *adis);
+int __adis_check_status(struct adis *adis);
+
+static inline int adis_check_status(struct adis *adis)
+{
+ int ret;
+
+ mutex_lock(&adis->state_lock);
+ ret = __adis_check_status(adis);
+ mutex_unlock(&adis->state_lock);
+
+ return ret;
+}
int adis_initial_startup(struct adis *adis);
int adis_initial_startup(struct adis *adis);