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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-27 13:53:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-27 13:53:32 -0800
commitb71acb0e372160167bf6d5500b88b30b52ccef6e (patch)
tree218e4b2752336ae38ffed12b67e89ed7995db931 /drivers/crypto/caam/caamrng.c
parente0c38a4d1f196a4b17d2eba36afff8f656a4f1de (diff)
parentc79b411eaa7257204f89c30651c45cea22278769 (diff)
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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add 1472-byte test to tcrypt for IPsec - Reintroduced crypto stats interface with numerous changes - Support incremental algorithm dumps Algorithms: - Add xchacha12/20 - Add nhpoly1305 - Add adiantum - Add streebog hash - Mark cts(cbc(aes)) as FIPS allowed Drivers: - Improve performance of arm64/chacha20 - Improve performance of x86/chacha20 - Add NEON-accelerated nhpoly1305 - Add SSE2 accelerated nhpoly1305 - Add AVX2 accelerated nhpoly1305 - Add support for 192/256-bit keys in gcmaes AVX - Add SG support in gcmaes AVX - ESN for inline IPsec tx in chcr - Add support for CryptoCell 703 in ccree - Add support for CryptoCell 713 in ccree - Add SM4 support in ccree - Add SM3 support in ccree - Add support for chacha20 in caam/qi2 - Add support for chacha20 + poly1305 in caam/jr - Add support for chacha20 + poly1305 in caam/qi2 - Add AEAD cipher support in cavium/nitrox" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (130 commits) crypto: skcipher - remove remnants of internal IV generators crypto: cavium/nitrox - Fix build with !CONFIG_DEBUG_FS crypto: salsa20-generic - don't unnecessarily use atomic walk crypto: skcipher - add might_sleep() to skcipher_walk_virt() crypto: x86/chacha - avoid sleeping under kernel_fpu_begin() crypto: cavium/nitrox - Added AEAD cipher support crypto: mxc-scc - fix build warnings on ARM64 crypto: api - document missing stats member crypto: user - remove unused dump functions crypto: chelsio - Fix wrong error counter increments crypto: chelsio - Reset counters on cxgb4 Detach crypto: chelsio - Handle PCI shutdown event crypto: chelsio - cleanup:send addr as value in function argument crypto: chelsio - Use same value for both channel in single WR crypto: chelsio - Swap location of AAD and IV sent in WR crypto: chelsio - remove set but not used variable 'kctx_len' crypto: ux500 - Use proper enum in hash_set_dma_transfer crypto: ux500 - Use proper enum in cryp_set_dma_transfer crypto: aesni - Add scatter/gather avx stubs, and use them in C crypto: aesni - Introduce partial block macro ..
Diffstat (limited to 'drivers/crypto/caam/caamrng.c')
-rw-r--r--drivers/crypto/caam/caamrng.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c
index 4318b0aa6fb9..a387c8d49a62 100644
--- a/drivers/crypto/caam/caamrng.c
+++ b/drivers/crypto/caam/caamrng.c
@@ -3,6 +3,7 @@
* caam - Freescale FSL CAAM support for hw_random
*
* Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2018 NXP
*
* Based on caamalg.c crypto API driver.
*
@@ -309,6 +310,7 @@ static int __init caam_rng_init(void)
struct platform_device *pdev;
struct device *ctrldev;
struct caam_drv_private *priv;
+ u32 rng_inst;
int err;
dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
@@ -336,7 +338,13 @@ static int __init caam_rng_init(void)
return -ENODEV;
/* Check for an instantiated RNG before registration */
- if (!(rd_reg32(&priv->ctrl->perfmon.cha_num_ls) & CHA_ID_LS_RNG_MASK))
+ if (priv->era < 10)
+ rng_inst = (rd_reg32(&priv->ctrl->perfmon.cha_num_ls) &
+ CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT;
+ else
+ rng_inst = rd_reg32(&priv->ctrl->vreg.rng) & CHA_VER_NUM_MASK;
+
+ if (!rng_inst)
return -ENODEV;
dev = caam_jr_alloc();