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Pull crypto fixes from Herbert Xu:
"This push fixes a build problem with img-hash under non-standard
configurations and a serious regression with sha512_ssse3 which can
lead to boot failures"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: img-hash - CRYPTO_DEV_IMGTEC_HASH should depend on HAS_DMA
crypto: x86/sha512_ssse3 - fixup for asm function prototype change
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If NO_DMA=y:
drivers/built-in.o: In function `img_hash_write_via_dma_stop':
img-hash.c:(.text+0xa2b822): undefined reference to `dma_unmap_sg'
drivers/built-in.o: In function `img_hash_xmit_dma':
img-hash.c:(.text+0xa2b8d8): undefined reference to `dma_map_sg'
img-hash.c:(.text+0xa2b948): undefined reference to `dma_unmap_sg'
Also move the "depends" section below the "tristate" line while we're at
it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull final removal of deprecated cpus_* cpumask functions from Rusty Russell:
"This is the final removal (after several years!) of the obsolete
cpus_* functions, prompted by their mis-use in staging.
With these function removed, all cpu functions should only iterate to
nr_cpu_ids, so we finally only allocate that many bits when cpumasks
are allocated offstack"
* tag 'cpumask-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (25 commits)
cpumask: remove __first_cpu / __next_cpu
cpumask: resurrect CPU_MASK_CPU0
linux/cpumask.h: add typechecking to cpumask_test_cpu
cpumask: only allocate nr_cpumask_bits.
Fix weird uses of num_online_cpus().
cpumask: remove deprecated functions.
mips: fix obsolete cpumask_of_cpu usage.
x86: fix more deprecated cpu function usage.
ia64: remove deprecated cpus_ usage.
powerpc: fix deprecated CPU_MASK_CPU0 usage.
CPU_MASK_ALL/CPU_MASK_NONE: remove from deprecated region.
staging/lustre/o2iblnd: Don't use cpus_weight
staging/lustre/libcfs: replace deprecated cpus_ calls with cpumask_
staging/lustre/ptlrpc: Do not use deprecated cpus_* functions
blackfin: fix up obsolete cpu function usage.
parisc: fix up obsolete cpu function usage.
tile: fix up obsolete cpu function usage.
arm64: fix up obsolete cpu function usage.
mips: fix up obsolete cpu function usage.
x86: fix up obsolete cpu function usage.
...
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The AES implementation still assumes, that the hw_desc[0] has a valid
key as long as no new key needs to be set; consequentialy it always
sets the AES key header for the first descriptor and puts data into
the second one (hw_desc[1]).
Change this to only update the key in the hardware, when a new key is
to be set and use the first descriptor for data otherwise.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With commit
7e77bdebff5cb1e9876c561f69710b9ab8fa1f7e crypto: af_alg - fix backlog handling
in place, the backlog works under all circumstances where it previously failed, atleast
for the sahara driver. Use it.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The output buffer is used for CPU access, so
the API should be dma_sync_single_for_cpu which
makes the cache line invalid in order to reload
the value in memory.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The input buffer and output buffer are mapped for DMA transfer
in Atmel AES driver. But they are also be used by CPU when
the requested crypt length is not bigger than the threshold
value 16. The buffers will be cached in cache line when CPU
accessed them. When DMA uses the buffers again, the memory
can happened to be flushed by cache while DMA starts transfer.
So using API dma_sync_single_for_device and dma_sync_single_for_cpu
in DMA to ensure DMA coherence and CPU always access the correct
value. This fix the issue that the encrypted result periodically goes
wrong when doing performance test with OpenSSH.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Kernel will report "BUG: spinlock lockup suspected on CPU#0"
when CONFIG_DEBUG_SPINLOCK is enabled in kernel config and the
spinlock is used at the first time. It's caused by uninitialized
spinlock, so just initialize it in probe.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Kernel will report "BUG: spinlock lockup suspected on CPU#0"
when CONFIG_DEBUG_SPINLOCK is enabled in kernel config and the
spinlock is used at the first time. It's caused by uninitialized
spinlock, so just initialize it in probe.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The maximum source and destination burst size is 16
according to the datasheet of Atmel DMA. And the value
is also checked in function at_xdmac_csize of Atmel
DMA driver. With the restrict, the value beyond maximum
value will not be processed in DMA driver, so SHA384 and
SHA512 will not work and the program will wait forever.
So here change the max burst size of all the cases to 16
in order to make SHA384 and SHA512 work and keep consistent
with DMA driver and datasheet.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Kernel will report "BUG: spinlock lockup suspected on CPU#0"
when CONFIG_DEBUG_SPINLOCK is enabled in kernel config and the
spinlock is used at the first time. It's caused by uninitialized
spinlock, so just initialize it in probe.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Having a zero length sg doesn't mean it is the end of the sg list. This
case happens when calculating HMAC of IPSec packet.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When a hash is requested on data bigger than the buffer allocated by the
SHA driver, the way DMA transfers are performed is quite strange:
The buffer is filled at each update request. When full, a DMA transfer
is done. On next update request, another DMA transfer is done. Then we
wait to have a full buffer (or the end of the data) to perform the dma
transfer. Such a situation lead sometimes, on SAMA5D4, to a case where
dma transfer is finished but the data ready irq never comes. Moreover
hash was incorrect in this case.
With this patch, dma transfers are only performed when the buffer is
full or when there is no more data. So it removes the transfer whose size
is equal the update size after the full buffer transmission.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add new version of atmel-sha available with SAMA5D4 devices.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add new version of atmel-aes available with SAMA5D4 devices.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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release_firmware was called twice on error path causing an Oops.
Reported-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Ring name was allocated but never refenenced.
It was supposed to be printed out in debug output.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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kmap_atomic() gives only the page address of the input page.
Driver should take care of adding the offset of the scatterlist
within the page to the returned page address.
omap-sham driver is not adding the offset to page and directly operates
on the return vale of kmap_atomic(), because of which the following
error comes when running crypto tests:
00000000: d9 a1 1b 7c aa 90 3b aa 11 ab cb 25 00 b8 ac bf
[ 2.338169] 00000010: c1 39 cd ff 48 d0 a8 e2 2b fa 33 a1
[ 2.344008] alg: hash: Chunking test 1 failed for omap-sha256
So adding the scatterlist offset to vaddr.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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ERROR:CODE_INDENT: code indent should use tabs where possible
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written
"!device_reset_wq"
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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CHECK:BIT_MACRO: Prefer using the BIT macro
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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CHECK:CONCATENATED_STRING: Concatenated strings should use spaces between
elements
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Cleanup code to fix the subject checkpatch warnings
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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adt_ctl_drv should be adf_ctl_drv
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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For cases where total length of an input SGs is not same as
length of the input data for encryption, omap-aes driver
crashes. This happens in the case when IPsec is trying to use
omap-aes driver.
To avoid this, we copy all the pages from the input SG list
into a contiguous buffer and prepare a single element SG list
for this buffer with length as the total bytes to crypt, which is
similar thing that is done in case of unaligned lengths.
Fixes: 6242332ff2f3 ("crypto: omap-aes - Add support for cases of unaligned lengths")
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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omap_sham_handle_queue() can be called as part of done_task tasklet.
During this its atomic and any calls to pm functions cannot sleep.
But there is a call to pm_runtime_get_sync() (which can sleep) in
omap_sham_handle_queue(), because of which the following appears:
" [ 116.169969] BUG: scheduling while atomic: kworker/0:2/2676/0x00000100"
Add pm_runtime_irq_safe() to avoid this.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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"hdev->req->nbytes" is an unsigned int so we so we lose the upper 3 bits
to the shift wrap bug.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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GCC complains about that %u is the wrong format string for size_t and
also that "ret" is unused.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Convert pr_info() and pr_err() log messages to dev_info() and dev_err(),
respectively, where able. This adds the module name and PCI B:D:F to
indicate which QAT device generated the log message. The "QAT:" is removed
from these log messages as that is now unnecessary. A few of these log
messages have additional spelling/contextual fixes.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This define is a duplicate of the one in ./include/linux/pci_ids.h
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The Kconfig entry for CRYPTO_DEV_IMGTEC_HASH incorrectly selects
CRYPTO_SHA224, which does not exist (and is covered by CRYPTO_SHA256
which covers both 224 and 256). Remove it.
Also correct typo CRYPTO_ALG_API to be CRYPTO_ALGPI.
Reported-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: James Hartley <james.hartley@imgtec.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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crypto: img-hash - Add missing semicolon to fix build error
There is a missing semicolon after MODULE_DEVICE_TABLE.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This adds support for the Imagination Technologies hash accelerator which
provides hardware acceleration for SHA1 SHA224 SHA256 and MD5 hashes.
Signed-off-by: James Hartley <james.hartley@imgtec.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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crypto: vmx - Fix assembler perl to use _GLOBAL
Rather than doing things by hand for global symbols to deal with
different calling conventions we already have a macro _GLOBAL in
Linux to handle this.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Guenter Roeck <linux@roeck-us.net>
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Even if bus is not hot-pluggable, the devices can be bound and unbound
from the driver via sysfs, so we should not be using __init/__exit
annotations on probe() and remove() methods. The only exception is
drivers registered with platform_driver_probe() which specifically
disables sysfs bind/unbind attributes.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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PCI bus is hot-pluggable, and even if it wasn't one can still unbind the
device from driver via sysfs, so we should not make driver's remove
method as __exit.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix rng_unmap_ctx's DMA_UNMAP size problem for caam_rng, else system would
report the below calltrace during cleanup caam_rng.
Since rng_create_sh_desc() creates a fixed descriptor of exactly 4
command-lengths now, also update DESC_RNG_LEN to (4 * CAAM_CMD_SZ).
caam_jr ffe301000.jr: DMA-API: device driver frees DMA memory with different size [device address=0x000000007f080010] [map size=16 bytes] [unmap size=40 bytes]
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:887
Modules linked in:
task: c0000000f7cdaa80 ti: c0000000e5340000 task.ti: c0000000e5340000
NIP: c0000000004f5bc8 LR: c0000000004f5bc4 CTR: c0000000005f69b0
REGS: c0000000e53433c0 TRAP: 0700 Not tainted
MSR: 0000000080029000 <CE,EE,ME> CR: 24088482 XER: 00000000
SOFTE: 0
GPR00: c0000000004f5bc4 c0000000e5343640 c0000000012af360 000000000000009f
GPR04: 0000000000000000 00000000000000a0 c000000000d02070 c000000015980660
GPR08: c000000000cff360 0000000000000000 0000000000000000 c0000000012da018
GPR12: 00000000000001e3 c000000001fff780 00000000100f0000 0000000000000001
GPR16: 0000000000000002 0000000000000000 0000000000000000 0000000000000000
GPR20: 0000000000000000 0000000000000000 ffffffffffffffff 0000000000000001
GPR24: 0000000000000001 0000000000000001 0000000000000000 0000000000000001
GPR28: c000000001556b90 c000000001565b80 c0000000e5343750 c0000000f9427480
NIP [c0000000004f5bc8] .check_unmap+0x538/0x9c0
LR [c0000000004f5bc4] .check_unmap+0x534/0x9c0
Call Trace:
[c0000000e5343640] [c0000000004f5bc4] .check_unmap+0x534/0x9c0 (unreliable)
[c0000000e53436e0] [c0000000004f60d4] .debug_dma_unmap_page+0x84/0xb0
[c0000000e5343810] [c00000000082f9d4] .caam_cleanup+0x1d4/0x240
[c0000000e53438a0] [c00000000056cc88] .hwrng_unregister+0xd8/0x1c0
Instruction dump:
7c641b78 41de0410 e8a90050 2fa50000 419e0484 e8de0028 e8ff0030 3c62ff90
e91e0030 38638388 48546ed9 60000000 <0fe00000> 3c62ff8f 38637fc8 48546ec5
---[ end trace e43fd1734d6600df ]---
Signed-off-by: Yanjiang Jin <yanjiang.jin@windriver.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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sec4_sg_bytes not being properly initialized causes ahash_done
to try to free unallocated DMA memory:
caam_jr ffe301000.jr: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0xdeadbeefdeadbeef] [size=3735928559 bytes]
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:1093
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.0.0-rc1+ #6
task: e9598c00 ti: effca000 task.ti: e95a2000
NIP: c04ef24c LR: c04ef24c CTR: c0549730
REGS: effcbd40 TRAP: 0700 Not tainted (4.0.0-rc1+)
MSR: 00029002 <CE,EE,ME> CR: 22008084 XER: 20000000
GPR00: c04ef24c effcbdf0 e9598c00 00000096 c08f7424 c00ab2b0 00000000 00000001
GPR08: c0fe7510 effca000 00000000 000001c3 22008082 00000000 c1048e77 c1050000
GPR16: c0c36700 493c0040 0000002c e690e4a0 c1054fb4 c18bac40 00029002 c18b0788
GPR24: 00000014 e690e480 effcbe48 00000000 c0fde128 e6ffac10 deadbeef deadbeef
NIP [c04ef24c] check_unmap+0x93c/0xb40
LR [c04ef24c] check_unmap+0x93c/0xb40
Call Trace:
[effcbdf0] [c04ef24c] check_unmap+0x93c/0xb40 (unreliable)
[effcbe40] [c04ef4f4] debug_dma_unmap_page+0xa4/0xc0
[effcbec0] [c070cda8] ahash_done+0x128/0x1a0
[effcbef0] [c0700070] caam_jr_dequeue+0x1d0/0x290
[effcbf40] [c0045f40] tasklet_action+0x110/0x1f0
[effcbf80] [c0044bc8] __do_softirq+0x188/0x700
[effcbfe0] [c00455d8] irq_exit+0x108/0x120
[effcbff0] [c000f520] call_do_irq+0x24/0x3c
[e95a3e20] [c00059b8] do_IRQ+0xc8/0x170
[e95a3e50] [c0011bc8] ret_from_except+0x0/0x18
Signed-off-by: Yanjiang Jin <yanjiang.jin@windriver.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 7e933d3b1e25b250 ("crypto: ux500: use dmaengine_prep_slave_sg
API") changed the code to use the new API, but forgot to update an error
message.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This is properly defined in the md5 header file.
Signed-off-by: Martin Hicks <mort@bork.org>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There were multiple loops in a row, for each separate step of the
initialization of the channels. Simplify to a single loop.
Signed-off-by: Martin Hicks <mort@bork.org>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Thanks to spatch, plus manual removal of "&*". Then a sweep for
for_each_cpu_mask => for_each_cpu.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: netdev@vger.kernel.org
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Fix typo, "intialization" -> "initialization"
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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All possible code-paths will assign ret to suitable values so this
default value is not needed.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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A failure of sahara_hw_descriptor_create() with -EINVAL due to scatter list
out of bounds/invalid would not be reported back. This patch just passes on
the -EINVAL so it is visible in sahara_queue_manage().
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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return type of wait_for_completion_timeout is unsigned long not int, this
patch adds appropriate variables of type unsigned long.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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return type of wait_for_completion_timeout is unsigned long not int, this
patch changes the type of ret from int to unsigned long.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch enables VMX module in PPC64.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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