iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

crypto: starfive - Update hash module irq handling

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

Co-developed-by: Huan Feng <huan.feng@starfivetech.com>
Signed-off-by: Huan Feng <huan.feng@starfivetech.com>
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jia Jie Ho 2023-06-12 16:52:29 +08:00 committed by Herbert Xu
parent 1abc89661a
commit df12284ad3
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/crypto/starfive/jh7110-hash.c
View File

@ -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);
}