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path: root/drivers/crypto/atmel-i2c.c
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Diffstat (limited to 'drivers/crypto/atmel-i2c.c')
-rw-r--r--drivers/crypto/atmel-i2c.c30
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");