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authorHerbert Xu <herbert@gondor.apana.org.au>2019-05-09 13:20:48 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2019-05-09 13:20:48 +0800
commitcbc22b062106993980df43a7ffa93351d3218844 (patch)
treebda0992549538be60cec8e58312e82f43be97d31 /drivers/crypto
parent8c65d35435e8cbfdf953cafe5ebe3648ee9276a2 (diff)
downloadlinux-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.c2
-rw-r--r--drivers/crypto/caam/regs.h8
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)