Commit Graph

43 Commits

Author SHA1 Message Date
Greg Kroah-Hartman 49cfe4db2d Drivers: crypto: remove __dev* attributes.
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>
2013-01-03 15:57:02 -08:00
Andrew Lunn f37fbd36c5 Crypto: CESA: Add support for DT based instantiation.
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
2012-09-22 14:40:00 +00:00
Linus Torvalds 25918f9811 ARM: SoC fixes
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.
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Merge tag 'fixes-for-linus' of 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
2012-07-26 20:29:52 -07:00
Simon Baatz baffab28b1 ARM: Orion: fix driver probe error handling with respect to clk
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>
2012-07-25 17:06:21 +02:00
Phil Sutter 4d03c5047a crypto: mv_cesa - fix for hash finalisation with data
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>
2012-06-12 16:46:05 +08:00
Phil Sutter 5741d2eeae crypto: mv_cesa - initialise the interrupt status field to zero
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-06-12 16:41:21 +08:00
Phil Sutter 170dd56dfc crypto: mv_cesa - add an expiry timer in case anything goes wrong
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>
2012-06-12 16:37:20 +08:00
Andrew Lunn 1f80b126d0 ARM: Orion: CESA: Add support for clk
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>
2012-05-08 16:34:01 -07:00
Linus Torvalds b8716614a7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
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
  ...
2012-03-21 13:20:43 -07:00
Linus Torvalds 2ce3f2b3b1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
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
2012-03-03 09:31:49 -08:00
Phil Sutter f8f54e190d crypto: mv_cesa - fix final callback not ignoring input data
Broken by commit 6ef84509f3 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>
2012-02-28 16:29:23 +08:00
Nikos Mavrogiannopoulos d912bb7677 crypto: Add CRYPTO_ALG_KERN_DRIVER_ONLY flag
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>
2012-01-13 16:38:40 +11:00
Linus Torvalds 4f58cb90bc Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* 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
  ...
2012-01-10 22:01:27 -08:00
Axel Lin 741e8c2d81 crypto: convert drivers/crypto/* to use module_platform_driver()
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>
2011-11-30 16:12:48 +08:00
Linus Torvalds dd38d29838 Merge git://github.com/herbertx/crypto
* git://github.com/herbertx/crypto:
  crypto: mv_cesa - fix hashing of chunks > 1920 bytes
2011-11-25 21:55:07 -08:00
Phil Sutter 274252862f crypto: mv_cesa - fix hashing of chunks > 1920 bytes
This was broken by commit 7759995c75 (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>
2011-11-21 16:23:08 +08:00
Paul Gortmaker 4bb33cc890 crypto: add module.h to those files that are explicitly using it
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>
2011-10-31 19:31:11 -04:00
Phil Sutter 6ef84509f3 crypto: mv_cesa - make count_sgs() null-pointer proof
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>
2011-05-11 15:06:22 +10:00
Phil Sutter 7759995c75 crypto: mv_cesa - copy remaining bytes to SRAM only when needed
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-11 15:06:21 +10:00
Phil Sutter 8652348754 crypto: mv_cesa - move digest state initialisation to a better place
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>
2011-05-11 15:06:20 +10:00
Phil Sutter cc8d35057c crypto: mv_cesa - fill inner/outer IV fields only in HMAC case
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-11 15:06:19 +10:00
Phil Sutter 6677a776cf crypto: mv_cesa - refactor copy_src_to_buf()
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>
2011-05-11 15:06:18 +10:00
Phil Sutter 7a1c6bcf26 crypto: mv_cesa - no need to save digest state after the last chunk
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-11 15:06:17 +10:00
Phil Sutter 2a025f5dfc crypto: mv_cesa - print a warning when registration of AES algos fail
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-11 15:06:16 +10:00
Phil Sutter 811e6ed623 crypto: mv_cesa - drop this call to mv_hash_final from mv_hash_finup
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>
2011-05-11 15:06:15 +10:00
Phil Sutter 99db3eacac crypto: mv_cesa - the descriptor pointer register needs to be set just once
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-11 15:06:14 +10:00
Phil Sutter 042e9e7356 crypto: mv_cesa - use ablkcipher_request_cast instead of the manual container_of
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-11 15:06:13 +10:00
Roel Kluin 41f2977d40 crypto: mv_cesa - dont return PTR_ERR() of wrong pointer
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>
2011-01-04 23:34:06 +11:00
Dan Carpenter 7cc2835083 crypto: mv_cesa - fixup error handling in mv_probe()
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>
2010-05-26 10:45:22 +10:00
Tobias Klauser 5bdd5ded95 crypto: mv_cesa - Use resource_size
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>
2010-05-14 14:58:05 +10:00
Herbert Xu df2071bd08 Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2010-05-03 11:28:58 +08:00
Uri Simchoni 750052dd24 crypto: mv_cesa - Add sha1 and hmac(sha1) async hash drivers
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>
2010-04-13 16:50:49 +08:00
Uri Simchoni 0c5c6c4bae crypto: mv_cesa - Support processing of data from previous requests
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>
2010-04-13 16:50:48 +08:00
Uri Simchoni f0d03deaad crypto: mv_cesa - Make the copy-back of data optional
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>
2010-04-13 16:50:48 +08:00
Uri Simchoni a58094ac5f crypto: mv_cesa - Execute some code via function pointers rathr than direct calls
Execute some code via function pointers rathr than direct calls
(to allow customization in the hashing request)

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:48 +08:00
Uri Simchoni 7a5f691ef0 crypto: mv_cesa - Rename a variable to a more suitable name
Rename a variable to a more suitable name

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:48 +08:00
Uri Simchoni 3b61a90502 crypto: mv_cesa - Enqueue generic async requests
Enqueue generic async requests rather than ablkcipher requests
in the driver's queue

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:47 +08:00
Uri Simchoni 15d4dd3594 crypto: mv_cesa - Fix situations where the src sglist spans more data than the request asks for
Fix for situations where the source scatterlist spans more data than the
request nbytes

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:47 +08:00
Uri Simchoni f565e67ec1 crypto: mv_cesa - Fix situation where the dest sglist is organized differently than the source sglist
Bugfix for situations where the destination scatterlist has a different
buffer structure than the source scatterlist (e.g. source has one 2K
buffer and dest has 2 1K buffers)

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:47 +08:00
Uri Simchoni 6bc6fcd609 crypto: mv_cesa - Remove compiler warning in mv_cesa driver
Remove compiler warning

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:47 +08:00
Uri Simchoni 0328ac2675 crypto: mv_cesa - Invoke the user callback from a softirq context
Invoke the user callback from a softirq context

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-04-13 16:50:46 +08:00
Tejun Heo 5a0e3ad6af include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files.  percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.

percpu.h -> slab.h dependency is about to be removed.  Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability.  As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.

  http://userweb.kernel.org/~tj/misc/slabh-sweep.py

The script does the followings.

* Scan files for gfp and slab usages and update includes such that
  only the necessary includes are there.  ie. if only gfp is used,
  gfp.h, if slab is used, slab.h.

* When the script inserts a new include, it looks at the include
  blocks and try to put the new include such that its order conforms
  to its surrounding.  It's put in the include block which contains
  core kernel includes, in the same order that the rest are ordered -
  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
  doesn't seem to be any matching order.

* If the script can't find a place to put a new include (mostly
  because the file doesn't have fitting include block), it prints out
  an error message indicating which .h file needs to be added to the
  file.

The conversion was done in the following steps.

1. The initial automatic conversion of all .c files updated slightly
   over 4000 files, deleting around 700 includes and adding ~480 gfp.h
   and ~3000 slab.h inclusions.  The script emitted errors for ~400
   files.

2. Each error was manually checked.  Some didn't need the inclusion,
   some needed manual addition while adding it to implementation .h or
   embedding .c file was more appropriate for others.  This step added
   inclusions to around 150 files.

3. The script was run again and the output was compared to the edits
   from #2 to make sure no file was left behind.

4. Several build tests were done and a couple of problems were fixed.
   e.g. lib/decompress_*.c used malloc/free() wrappers around slab
   APIs requiring slab.h to be added manually.

5. The script was run on all .h files but without automatically
   editing them as sprinkling gfp.h and slab.h inclusions around .h
   files could easily lead to inclusion dependency hell.  Most gfp.h
   inclusion directives were ignored as stuff from gfp.h was usually
   wildly available and often used in preprocessor macros.  Each
   slab.h inclusion directive was examined and added manually as
   necessary.

6. percpu.h was updated not to include slab.h.

7. Build test were done on the following configurations and failures
   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
   distributed build env didn't work with gcov compiles) and a few
   more options had to be turned off depending on archs to make things
   build (like ipr on powerpc/64 which failed due to missing writeq).

   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
   * powerpc and powerpc64 SMP allmodconfig
   * sparc and sparc64 SMP allmodconfig
   * ia64 SMP allmodconfig
   * s390 SMP allmodconfig
   * alpha SMP allmodconfig
   * um on x86_64 SMP allmodconfig

8. percpu.h modifications were reverted so that it could be applied as
   a separate patch and serve as bisection point.

Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.

Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-30 22:02:32 +09:00
Sebastian Andrzej Siewior 85a7f0ac53 crypto: mv_cesa - Add support for Orion5X crypto engine
This adds support for Marvell's Cryptographic Engines and Security
Accelerator (CESA) which can be found on a few SoC.
Tested with dm-crypt.

Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-08-10 12:50:03 +10:00