Commit df12284a authored by Jia Jie Ho's avatar Jia Jie Ho Committed by Herbert Xu
Browse files

crypto: starfive - Update hash module irq handling 



Hash driver needs to check the value of irq mask register before writing
as it will mask irq of other modules.

Co-developed-by: default avatarHuan Feng <huan.feng@starfivetech.com>
Signed-off-by: default avatarHuan Feng <huan.feng@starfivetech.com>
Signed-off-by: default avatarJia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1abc8966

drivers/crypto/starfive/jh7110-hash.c

+8 −1
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ 
#define STARFIVE_HASH_SHAWKLEN		(STARFIVE_HASH_REGS_OFFSET + 0x24)



#define STARFIVE_HASH_BUFLEN		SHA512_BLOCK_SIZE

#define STARFIVE_HASH_RESET		0x2



static inline int starfive_hash_wait_busy(struct starfive_cryp_ctx *ctx)

{
@@ -95,6 +96,7 @@ static void starfive_hash_start(void *param) 
	struct starfive_cryp_dev *cryp = ctx->cryp;

	union starfive_alg_cr alg_cr;

	union starfive_hash_csr csr;

	u32 stat;



	dma_unmap_sg(cryp->dev, rctx->in_sg, rctx->in_sg_len, DMA_TO_DEVICE);
@@ -107,7 +109,9 @@ static void starfive_hash_start(void *param) 
	csr.firstb = 0;

	csr.final = 1;



	writel(~STARFIVE_IE_MASK_HASH_DONE, cryp->base + STARFIVE_IE_MASK_OFFSET);

	stat = readl(cryp->base + STARFIVE_IE_MASK_OFFSET);

	stat &= ~STARFIVE_IE_MASK_HASH_DONE;

	writel(stat, cryp->base + STARFIVE_IE_MASK_OFFSET);

	writel(csr.v, cryp->base + STARFIVE_HASH_SHACSR);

}
@@ -223,6 +227,9 @@ void starfive_hash_done_task(unsigned long param) 
	if (!err)

		err = starfive_hash_copy_hash(cryp->req.hreq);



	/* Reset to clear hash_done in irq register*/

	writel(STARFIVE_HASH_RESET, cryp->base + STARFIVE_HASH_SHACSR);



	crypto_finalize_hash_request(cryp->engine, cryp->req.hreq, err);

}