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-rw-r--r--drivers/crypto/atmel-sha.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 006b2aefba30..75a8cbcf3121 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -122,6 +122,7 @@ struct atmel_sha_dev {
spinlock_t lock;
int err;
struct tasklet_struct done_task;
+ struct tasklet_struct queue_task;
unsigned long flags;
struct crypto_queue queue;
@@ -788,7 +789,7 @@ static void atmel_sha_finish_req(struct ahash_request *req, int err)
req->base.complete(&req->base, err);
/* handle new request */
- tasklet_schedule(&dd->done_task);
+ tasklet_schedule(&dd->queue_task);
}
static int atmel_sha_hw_init(struct atmel_sha_dev *dd)
@@ -1101,16 +1102,18 @@ static struct ahash_alg sha_384_512_algs[] = {
},
};
+static void atmel_sha_queue_task(unsigned long data)
+{
+ struct atmel_sha_dev *dd = (struct atmel_sha_dev *)data;
+
+ atmel_sha_handle_queue(dd, NULL);
+}
+
static void atmel_sha_done_task(unsigned long data)
{
struct atmel_sha_dev *dd = (struct atmel_sha_dev *)data;
int err = 0;
- if (!(SHA_FLAGS_BUSY & dd->flags)) {
- atmel_sha_handle_queue(dd, NULL);
- return;
- }
-
if (SHA_FLAGS_CPU & dd->flags) {
if (SHA_FLAGS_OUTPUT_READY & dd->flags) {
dd->flags &= ~SHA_FLAGS_OUTPUT_READY;
@@ -1367,6 +1370,8 @@ static int atmel_sha_probe(struct platform_device *pdev)
tasklet_init(&sha_dd->done_task, atmel_sha_done_task,
(unsigned long)sha_dd);
+ tasklet_init(&sha_dd->queue_task, atmel_sha_queue_task,
+ (unsigned long)sha_dd);
crypto_init_queue(&sha_dd->queue, ATMEL_SHA_QUEUE_LENGTH);
@@ -1459,6 +1464,7 @@ err_algs:
atmel_sha_dma_cleanup(sha_dd);
err_sha_dma:
res_err:
+ tasklet_kill(&sha_dd->queue_task);
tasklet_kill(&sha_dd->done_task);
sha_dd_err:
dev_err(dev, "initialization failed.\n");
@@ -1479,6 +1485,7 @@ static int atmel_sha_remove(struct platform_device *pdev)
atmel_sha_unregister_algs(sha_dd);
+ tasklet_kill(&sha_dd->queue_task);
tasklet_kill(&sha_dd->done_task);
if (sha_dd->caps.has_dma)