AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

crypto: stm32/hash - Fix self test issue during export

Browse Source 
Change the wait condition to check if the hash is busy.
Context can be saved as soon as hash has finishing processing
data. Remove unused lock in the device structure.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Lionel Debieve 2019-04-08 09:41:58 +02:00 committed by Herbert Xu
parent f1b70d1638
commit a88be9a755
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/crypto/stm32/stm32-hash.c
View File

@ -181,8 +181,6 @@ struct stm32_hash_dev {
u32 dma_mode;
u32 dma_maxburst;
spinlock_t lock; /* lock to protect queue */
struct ahash_request *req;
struct crypto_engine *engine;
@ -977,7 +975,7 @@ static int stm32_hash_export(struct ahash_request *req, void *out)
pm_runtime_get_sync(hdev->dev);
while (!(stm32_hash_read(hdev, HASH_SR) & HASH_SR_DATA_INPUT_READY))
while ((stm32_hash_read(hdev, HASH_SR) & HASH_SR_BUSY))
cpu_relax();
rctx->hw_context = kmalloc_array(3 + HASH_CSR_REGISTER_NUMBER,