crypto: stm32/hash - fix performance issues (ff1cae4e) · Commits · 戴 / test

Fixing bugs link to stress tests. Bad results are detected during testmgr selftests executing in a faster environment. bufcnt value may be resetted and false IT are sometimes detected. Signed-off-by:

Lionel Debieve <lionel.debieve@st.com> Signed-off-by:

Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/stm32/stm32-hash.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -744,13 +744,15 @@ static int stm32_hash_final_req(struct stm32_hash_dev *hdev)
		struct ahash_request *req = hdev->req;
		struct stm32_hash_request_ctx *rctx = ahash_request_ctx(req);
		int err;
		int buflen = rctx->bufcnt;

		rctx->bufcnt = 0;

		if (!(rctx->flags & HASH_FLAGS_CPU))
		err = stm32_hash_dma_send(hdev);
		else
		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, rctx->bufcnt, 1);
		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, buflen, 1);

		rctx->bufcnt = 0;

		return err;
		}
		@@ -1105,6 +1107,8 @@ static irqreturn_t stm32_hash_irq_handler(int irq, void *dev_id)
		reg &= ~HASH_SR_OUTPUT_READY;
		stm32_hash_write(hdev, HASH_SR, reg);
		hdev->flags \|= HASH_FLAGS_OUTPUT_READY;
		/* Disable IT*/
		stm32_hash_write(hdev, HASH_IMR, 0);
		return IRQ_WAKE_THREAD;
		}

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