Commit a88be9a7 authored by Lionel Debieve's avatar Lionel Debieve Committed by Herbert Xu
Browse files

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



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: default avatarLionel Debieve <lionel.debieve@st.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f1b70d16

drivers/crypto/stm32/stm32-hash.c

+1 −3
Original line number Diff line number Diff line
@@ -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,

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