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This patch simply replace all occurrence of HMAC IPAD/OPAD value by their
define.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Switch to resource-managed function devm_kzalloc instead
of kzalloc and remove unneeded kfree
Also, remove kfree in probe function and remove
function, mv_remove as it is now has nothing to do.
The Coccinelle semantic patch used to make this change is as follows:
//<smpl>
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};
@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression prb.e;
@@
removefn(...) {
<...
- kfree(e);
...>
}
//</smpl>
Signed-off-by: Nadim Almas <nadim.902@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Drivers should not use NO_IRQ, as we are trying to get rid of that.
In this case, the call to irq_of_parse_and_map() is both wrong
(as it returns '0' on failure, not NO_IRQ) and unnecessary
(as platform_get_irq() does the same thing)
This removes the call to irq_of_parse_and_map() and checks for
the error code correctly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We are about to add a new driver to support new features like using the
TDMA engine to offload the CPU.
Orion, Dove and Kirkwood platforms are already using the mv_cesa driver,
but Orion SoCs do not embed the TDMA engine, which means we will have to
differentiate them if we want to get TDMA support on Dove and Kirkwood.
In the other hand, the migration from the old driver to the new one is not
something all people are willing to do without first auditing the new
driver.
Hence we have to support the new compatible in the mv_cesa driver so that
new platforms with updated DTs can still attach their crypto engine device
to this driver.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The mv_cesa driver currently expects the SRAM memory region to be passed
as a platform device resource.
This approach implies two drawbacks:
- the DT representation is wrong
- the only one that can access the SRAM is the crypto engine
The last point is particularly annoying in some cases: for example on
armada 370, a small region of the crypto SRAM is used to implement the
cpuidle, which means you would not be able to enable both cpuidle and the
CESA driver.
To address that problem, we explicitly define the SRAM device in the DT
and then reference the sram node from the crypto engine node.
Also note that the old way of retrieving the SRAM memory region is still
supported, or in other words, backward compatibility is preserved.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The mv_cesa driver does not request the CESA registers memory region.
Since we're about to add a new CESA driver, we need to make sure only one
of these drivers probe the CESA device, and requesting the registers memory
region is a good way to achieve that.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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backlog is not initialised so in the case where
cpg->eng_st != ENGINE_IDLE it is never initialised and
hence which could lead to an illegal memory dereference
in the statement:
backlog->complete(backlog, -EINPROGRESS);
Discovered with cppcheck static analsys:
[drivers/crypto/mv_cesa.c:616]:
(error) Uninitialized variable: backlog
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
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The checking for the type of algorithm implementation is pretty
strange here. Use regular flags to check for the type instead.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Kent Yoder <key@linux.vnet.ibm.com>
Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch proposes to remove the use of the IRQF_DISABLED flag
It's a NOOP since 2.6.35 and it will be removed one day.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Local symbols used only in this file are made static.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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CONFIG_HOTPLUG is going away as an option. As a result, the __dev*
markings need to be removed.
This change removes the use of __devinit, __devexit_p, __devinitdata,
and __devexit from these drivers.
Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Kent Yoder <key@linux.vnet.ibm.com>
Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Cc: Alex Porosanu <alexandru.porosanu@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Based on work by Michael Walle and Jason Cooper.
Added support for getting the interrupt number and address of SRAM
from DT.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Conflicts:
arch/arm/mach-kirkwood/board-dt.c
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A mixed bag of fixes, some for merge window fallout (tegra, MXS), and
a short series of fixes for marvell platforms that didn't make it in
before 3.5."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: mxs: fix compile error caused by prom_update_property change
ARM: dt: tegra trimslice: enable USB2 port
ARM: dt: tegra trimslice: add vbus-gpio property
ARM: vt8500: Add maintainer for VT8500 architecture
ARM: Kirkwood: Replace mrvl with marvell
ARM: Orion: fix driver probe error handling with respect to clk
ARM: Dove: Fixup ge00 initialisation
ARM: Kirkwood: Fix PHY disable clk problems
ARM: Kirkwood: Ensure runit clock always ticks.
ARM: versatile: Don't use platform clock for Integrator & VE
ARM: tegra: harmony: add regulator supply name and its input supply
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The clk patches added code to get and enable clocks in the
respective driver probe functions. If the probe function failed
for some reason after enabling the clock, the clock was not
disabled again in many cases.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lumm <andrew@lunn.ch>
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Since mv_hash_final_fallback() uses ctx->state, read out the digest
state register before calling it.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The timer triggers when 500ms have gone by after triggering the engine
and no completion interrupt was received. The callback then tries to
sanitise things as well as possible.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Some orion platforms support gating of the clock. If the clock exists
enable/disbale it as appropriate.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Pull crypto update from Herbert Xu:
"* sha512 bug fixes (already in your tree).
* SHA224/SHA384 AEAD support in caam.
* X86-64 optimised version of Camellia.
* Tegra AES support.
* Bulk algorithm registration interface to make driver registration easier.
* padata race fixes.
* Misc fixes."
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (31 commits)
padata: Fix race on sequence number wrap
padata: Fix race in the serialization path
crypto: camellia - add assembler implementation for x86_64
crypto: camellia - rename camellia.c to camellia_generic.c
crypto: camellia - fix checkpatch warnings
crypto: camellia - rename camellia module to camellia_generic
crypto: tcrypt - add more camellia tests
crypto: testmgr - add more camellia test vectors
crypto: camellia - simplify key setup and CAMELLIA_ROUNDSM macro
crypto: twofish-x86_64/i586 - set alignmask to zero
crypto: blowfish-x86_64 - set alignmask to zero
crypto: serpent-sse2 - combine ablk_*_init functions
crypto: blowfish-x86_64 - use crypto_[un]register_algs
crypto: twofish-x86_64-3way - use crypto_[un]register_algs
crypto: serpent-sse2 - use crypto_[un]register_algs
crypto: serpent-sse2 - remove dead code from serpent_sse2_glue.c::serpent_sse2_init()
crypto: twofish-x86 - Remove dead code from twofish_glue_3way.c::init()
crypto: In crypto_add_alg(), 'exact' wants to be initialized to 0
crypto: caam - fix gcc 4.6 warning
crypto: Add bulk algorithm registration interface
...
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Pull from Herbert Xu:
"This push fixes a bug in mv_cesa that causes all hash operations
that supply data on a final operation to fail."
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: mv_cesa - fix final callback not ignoring input data
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Broken by commit 6ef84509f3d439ed2d43ea40080643efec37f54f for users
passing a request with non-zero 'nbytes' field, like e.g. testmgr.
Cc: <stable@kernel.org> # 3.0+
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The added CRYPTO_ALG_KERN_DRIVER_ONLY indicates whether a cipher
is only available via a kernel driver. If the cipher implementation
might be available by using an instruction set or by porting the
kernel code, then it must not be set.
Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (54 commits)
crypto: gf128mul - remove leftover "(EXPERIMENTAL)" in Kconfig
crypto: serpent-sse2 - remove unneeded LRW/XTS #ifdefs
crypto: serpent-sse2 - select LRW and XTS
crypto: twofish-x86_64-3way - remove unneeded LRW/XTS #ifdefs
crypto: twofish-x86_64-3way - select LRW and XTS
crypto: xts - remove dependency on EXPERIMENTAL
crypto: lrw - remove dependency on EXPERIMENTAL
crypto: picoxcell - fix boolean and / or confusion
crypto: caam - remove DECO access initialization code
crypto: caam - fix polarity of "propagate error" logic
crypto: caam - more desc.h cleanups
crypto: caam - desc.h - convert spaces to tabs
crypto: talitos - convert talitos_error to struct device
crypto: talitos - remove NO_IRQ references
crypto: talitos - fix bad kfree
crypto: convert drivers/crypto/* to use module_platform_driver()
char: hw_random: convert drivers/char/hw_random/* to use module_platform_driver()
crypto: serpent-sse2 - should select CRYPTO_CRYPTD
crypto: serpent - rename serpent.c to serpent_generic.c
crypto: serpent - cleanup checkpatch errors and warnings
...
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This patch converts the drivers in drivers/crypto/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.
Cc: James Hsiao <jhsiao@amcc.com>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* git://github.com/herbertx/crypto:
crypto: mv_cesa - fix hashing of chunks > 1920 bytes
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This was broken by commit 7759995c75ae0cbd4c861582908449f6b6208e7a (yes,
myself). The basic problem here is since the digest state is only saved
after the last chunk, the state array is only valid when handling the
first chunk of the next buffer. Broken since linux-3.0.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Cc: <stable@kernel.org> # 3.1.x
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Part of the include cleanups means that the implicit
inclusion of module.h via device.h is going away. So
fix things up in advance.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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This also makes the dummy scatterlist in mv_hash_final() needless, so
drop it.
XXX: should this routine be made pulicly available? There are probably
other users with their own implementations.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On one hand, the digest state registers need to be set only when
actually using the crypto engine. On the other hand, there is a check
for ctx->first_hash in mv_process_hash_current() already, so use that.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The main goal was to have it not do anything when a zero len parameter
was being passed (which could lead to a null pointer dereference, as in
this case p->src_sg is null, either). Using the min() macro, the lower
part of the loop gets simpler, too.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The code in mv_hash_final is actually a superset of mv_hash_finup's
body. Since the driver works fine without, drop it.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix a PTR_ERR() return of the wrong pointer
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The error handling in mv_probe() was a bit messed up. There were some
gotos to the wrong labels so it ended up releasing stuff that that hadn't
been aquired and not releasing stuff that was meant to be released. I
shuffled it around a bit to fix it and make it clearer.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one errors.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add sha1 and hmac(sha1) async hash drivers
Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Support processing of data from previous requests (as in hashing
update/final requests).
Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Make the copy-back of data optional (not done in hashing requests)
Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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