diff options
Diffstat (limited to 'drivers/crypto/atmel-i2c.c')
| -rw-r--r-- | drivers/crypto/atmel-i2c.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/crypto/atmel-i2c.c b/drivers/crypto/atmel-i2c.c index 6fd3e969211d..81ce09bedda8 100644 --- a/drivers/crypto/atmel-i2c.c +++ b/drivers/crypto/atmel-i2c.c @@ -263,6 +263,8 @@ static void atmel_i2c_work_handler(struct work_struct *work) work_data->cbk(work_data, work_data->areq, status); } +static struct workqueue_struct *atmel_wq; + void atmel_i2c_enqueue(struct atmel_i2c_work_data *work_data, void (*cbk)(struct atmel_i2c_work_data *work_data, void *areq, int status), @@ -272,10 +274,16 @@ void atmel_i2c_enqueue(struct atmel_i2c_work_data *work_data, work_data->areq = areq; INIT_WORK(&work_data->work, atmel_i2c_work_handler); - schedule_work(&work_data->work); + queue_work(atmel_wq, &work_data->work); } EXPORT_SYMBOL(atmel_i2c_enqueue); +void atmel_i2c_flush_queue(void) +{ + flush_workqueue(atmel_wq); +} +EXPORT_SYMBOL(atmel_i2c_flush_queue); + static inline size_t atmel_i2c_wake_token_sz(u32 bus_clk_rate) { u32 no_of_bits = DIV_ROUND_UP(TWLO_USEC * bus_clk_rate, USEC_PER_SEC); @@ -364,14 +372,24 @@ int atmel_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) i2c_set_clientdata(client, i2c_priv); - ret = device_sanity_check(client); - if (ret) - return ret; - - return 0; + return device_sanity_check(client); } EXPORT_SYMBOL(atmel_i2c_probe); +static int __init atmel_i2c_init(void) +{ + atmel_wq = alloc_workqueue("atmel_wq", 0, 0); + return atmel_wq ? 0 : -ENOMEM; +} + +static void __exit atmel_i2c_exit(void) +{ + destroy_workqueue(atmel_wq); +} + +module_init(atmel_i2c_init); +module_exit(atmel_i2c_exit); + MODULE_AUTHOR("Tudor Ambarus <tudor.ambarus@microchip.com>"); MODULE_DESCRIPTION("Microchip / Atmel ECC (I2C) driver"); MODULE_LICENSE("GPL v2"); |