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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2019-05-09 13:20:48 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-05-09 13:20:48 +0800 |
| commit | cbc22b062106993980df43a7ffa93351d3218844 (patch) | |
| tree | bda0992549538be60cec8e58312e82f43be97d31 /drivers/crypto | |
| parent | 8c65d35435e8cbfdf953cafe5ebe3648ee9276a2 (diff) | |
| download | linux-cbc22b062106993980df43a7ffa93351d3218844.tar.bz2 | |
Revert "crypto: caam/jr - Remove extra memory barrier during job ring dequeue"
This reverts commit bbfcac5ff5f26aafa51935a62eb86b6eacfe8a49.
It caused a crash regression on powerpc:
https://lore.kernel.org/linux-crypto/87pnp2aflz.fsf@concordia.ellerman.id.au/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/caam/jr.c | 2 | ||||
| -rw-r--r-- | drivers/crypto/caam/regs.h | 8 |
2 files changed, 1 insertions, 9 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index 044a69b526f7..1de2562d0982 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -213,7 +213,7 @@ static void caam_jr_dequeue(unsigned long devarg) mb(); /* set done */ - wr_reg32_relaxed(&jrp->rregs->outring_rmvd, 1); + wr_reg32(&jrp->rregs->outring_rmvd, 1); jrp->out_ring_read_index = (jrp->out_ring_read_index + 1) & (JOBR_DEPTH - 1); diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index c1fa1ec701d9..8591914d5c51 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -96,14 +96,6 @@ cpu_to_caam(16) cpu_to_caam(32) cpu_to_caam(64) -static inline void wr_reg32_relaxed(void __iomem *reg, u32 data) -{ - if (caam_little_end) - writel_relaxed(data, reg); - else - writel_relaxed(cpu_to_be32(data), reg); -} - static inline void wr_reg32(void __iomem *reg, u32 data) { if (caam_little_end) |