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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-12 18:51:14 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-12 18:51:14 -0800 |
commit | c597b6bcd5c624534afc3df65cdc42bb05173bca (patch) | |
tree | 8fedd26c5dc0357a10db08a6bef31085e2508280 /drivers/crypto/nx | |
parent | 60b7eca1dc2ec066916b3b7ac6ad89bea13cb9af (diff) | |
parent | 48d627648141479c8be8acd110191072e24eba25 (diff) | |
download | linux-c597b6bcd5c624534afc3df65cdc42bb05173bca.tar.gz linux-c597b6bcd5c624534afc3df65cdc42bb05173bca.tar.bz2 linux-c597b6bcd5c624534afc3df65cdc42bb05173bca.zip |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"Algorithms:
- Add RSA padding algorithm
Drivers:
- Add GCM mode support to atmel
- Add atmel support for SAMA5D2 devices
- Add cipher modes to talitos
- Add rockchip driver for rk3288
- Add qat support for C3XXX and C62X"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (103 commits)
crypto: hifn_795x, picoxcell - use ablkcipher_request_cast
crypto: qat - fix SKU definiftion for c3xxx dev
crypto: qat - Fix random config build issue
crypto: ccp - use to_pci_dev and to_platform_device
crypto: qat - Rename dh895xcc mmp firmware
crypto: 842 - remove WARN inside printk
crypto: atmel-aes - add debug facilities to monitor register accesses.
crypto: atmel-aes - add support to GCM mode
crypto: atmel-aes - change the DMA threshold
crypto: atmel-aes - fix the counter overflow in CTR mode
crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686
crypto: atmel-aes - create sections to regroup functions by usage
crypto: atmel-aes - fix typo and indentation
crypto: atmel-aes - use SIZE_IN_WORDS() helper macro
crypto: atmel-aes - improve performances of data transfer
crypto: atmel-aes - fix atmel_aes_remove()
crypto: atmel-aes - remove useless AES_FLAGS_DMA flag
crypto: atmel-aes - reduce latency of DMA completion
crypto: atmel-aes - remove unused 'err' member of struct atmel_aes_dev
crypto: atmel-aes - rework crypto request completion
...
Diffstat (limited to 'drivers/crypto/nx')
-rw-r--r-- | drivers/crypto/nx/nx-842-powernv.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index 9ef51fafdbff..1710f80a09ec 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -442,6 +442,14 @@ static int nx842_powernv_function(const unsigned char *in, unsigned int inlen, (unsigned int)ccw, (unsigned int)be32_to_cpu(crb->ccw)); + /* + * NX842 coprocessor sets 3rd bit in CR register with XER[S0]. + * XER[S0] is the integer summary overflow bit which is nothing + * to do NX. Since this bit can be set with other return values, + * mask this bit. + */ + ret &= ~ICSWX_XERS0; + switch (ret) { case ICSWX_INITIATED: ret = wait_for_csb(wmem, csb); @@ -454,10 +462,6 @@ static int nx842_powernv_function(const unsigned char *in, unsigned int inlen, pr_err_ratelimited("ICSWX rejected\n"); ret = -EPROTO; break; - default: - pr_err_ratelimited("Invalid ICSWX return code %x\n", ret); - ret = -EPROTO; - break; } if (!ret) @@ -525,7 +529,6 @@ static int nx842_powernv_decompress(const unsigned char *in, unsigned int inlen, static int __init nx842_powernv_probe(struct device_node *dn) { struct nx842_coproc *coproc; - struct property *ct_prop, *ci_prop; unsigned int ct, ci; int chip_id; @@ -534,18 +537,16 @@ static int __init nx842_powernv_probe(struct device_node *dn) pr_err("ibm,chip-id missing\n"); return -EINVAL; } - ct_prop = of_find_property(dn, "ibm,842-coprocessor-type", NULL); - if (!ct_prop) { + + if (of_property_read_u32(dn, "ibm,842-coprocessor-type", &ct)) { pr_err("ibm,842-coprocessor-type missing\n"); return -EINVAL; } - ct = be32_to_cpu(*(unsigned int *)ct_prop->value); - ci_prop = of_find_property(dn, "ibm,842-coprocessor-instance", NULL); - if (!ci_prop) { + + if (of_property_read_u32(dn, "ibm,842-coprocessor-instance", &ci)) { pr_err("ibm,842-coprocessor-instance missing\n"); return -EINVAL; } - ci = be32_to_cpu(*(unsigned int *)ci_prop->value); coproc = kmalloc(sizeof(*coproc), GFP_KERNEL); if (!coproc) |