The MODULE_LICENSE macro invocation must use either "GPL" or "GPL v2",
but not "GPLv2" in order to be detected by the module loader.

This fixes the allmodconfig build error:

FATAL: modpost: GPL-incompatible module bcm2835-rng.ko uses GPL-only symbol 'platform_driver_unregister'
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Cc: Dom Cobley <popcornmix@gmail.com>
Cc: Lubomir Rintel <lkundrak@v3.sk>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: linux-rpi-kernel@lists.infradead.org
Acked-by: NLubomir Rintel <lkundrak@v3.sk>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The Nomadik HW RNG driver has seen some rust and is not preparing
the clock before use. Fix this up so we get rid of runtime
complaints from the clock subsystem.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

These symbols are referenced only in this file and hence
should be static.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Tested-by: NTobias Rauter <tobiasrauter@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Use NULL instead of 0 for pointer variables.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Tested-by: NTobias Rauter <tobiasrauter@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

devm_* APIs are device managed and make cleanup and exit
code simpler.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Tested-by: NTobias Rauter <tobiasrauter@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Tested-by: NTobias Rauter <tobiasrauter@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.

Also, unnecessary dev_set_drvdata() is removed, because the driver core
clears the driver data to NULL after device_release or on probe failure.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Calling runtime PM API for every block causes serious perf hit to
crypto operations that are done on a long buffer.
As crypto is performed on a page boundary, encrypting large buffers can
cause a series of crypto operations divided by page. The runtime PM API
is also called those many times.

We call runtime_pm_get_sync only at beginning on the session (cra_init)
and runtime_pm_put at the end. This result in upto a 50% speedup as below.
This doesn't make the driver to keep the system awake as runtime get/put
is only called during a crypto session which completes usually quickly.

Before:
root@beagleboard:~# time -v openssl speed -evp aes-128-cbc
Doing aes-128-cbc for 3s on 16 size blocks: 13310 aes-128-cbc's in 0.01s
Doing aes-128-cbc for 3s on 64 size blocks: 13040 aes-128-cbc's in 0.04s
Doing aes-128-cbc for 3s on 256 size blocks: 9134 aes-128-cbc's in 0.03s
Doing aes-128-cbc for 3s on 1024 size blocks: 8939 aes-128-cbc's in 0.01s
Doing aes-128-cbc for 3s on 8192 size blocks: 4299 aes-128-cbc's in 0.00s

After:
root@beagleboard:~# time -v openssl speed -evp aes-128-cbc
Doing aes-128-cbc for 3s on 16 size blocks: 18911 aes-128-cbc's in 0.02s
Doing aes-128-cbc for 3s on 64 size blocks: 18878 aes-128-cbc's in 0.02s
Doing aes-128-cbc for 3s on 256 size blocks: 11878 aes-128-cbc's in 0.10s
Doing aes-128-cbc for 3s on 1024 size blocks: 11538 aes-128-cbc's in 0.05s
Doing aes-128-cbc for 3s on 8192 size blocks: 4857 aes-128-cbc's in 0.03s

While at it, also drop enter and exit pr_debugs, in related code. tracers
can be used for that.

Tested on a Beaglebone (AM335x SoC) board.
Signed-off-by: NJoel A Fernandes <joelagnel@ti.com>
Acked-by: NKevin Hilman <khilman@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

lib/crc-t10dif.c:42:1-3: WARNING: PTR_RET can be used

 Use PTR_RET rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci
Reported-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: NThomas Meyer <thomas@m3y3r.de>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Add sha224 implementation to sha256_ssse3 module.

This also fixes sha256_ssse3 module autoloading issue when 'sha224' is used
before 'sha256'. Previously in such case, just sha256_generic was loaded and
not sha256_ssse3 (since it did not provide sha224). Now if 'sha256' was used
after 'sha224' usage, sha256_ssse3 would remain unloaded.

Cc: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Add sha384 implementation to sha512_ssse3 module.

This also fixes sha512_ssse3 module autoloading issue when 'sha384' is used
before 'sha512'. Previously in such case, just sha512_generic was loaded and
not sha512_ssse3 (since it did not provide sha384). Now if 'sha512' was used
after 'sha384' usage, sha512_ssse3 would remain unloaded. For example, this
happens with tcrypt testing module since it tests 'sha384' before 'sha512'.

Cc: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

'sha512_generic' should set driver name now that there is alternative sha512
provider (sha512_ssse3).
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

free_irq() expects the same pointer that was passed to request_irq(), otherwise
the IRQ is not freed.

The issue was found using the following coccinelle script:

<smpl>
@r1@
type T;
T devid;
@@
request_irq(..., devid)

@r2@
type r1.T;
T devid;
position p;
@@
free_irq@p(..., devid)

@@
position p != r2.p;
@@
*free_irq@p(...)
</smpl>
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

This patch enables the DCP crypto functionality on imx28.
Currently, only aes-128-cbc is supported.
Moreover, the dcpboot misc-device, which is used by Freescale's
SDK tools and uses a non-software-readable OTP-key, is added.

Changes of v2:
- ring buffer for hardware-descriptors
- use of ablkcipher walk
- OTP key encryption/decryption via misc-device
  (compatible to Freescale-SDK)
- overall cleanup

The DCP is also capable of sha1/sha256 but I won't be able to add
that anytime soon.
Tested with built-in runtime-self-test, tcrypt and openssl via
cryptodev 1.6 on imx28-evk and a custom built imx28-board.
Signed-off-by: NTobias Rauter <tobias.rauter@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Add Class Context SRC / DEST flags for the LOAD & STORE commands
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Add define for "Adjust Output Frame Length" in order to
set the AOFL bit in the IPsec ESP Decapsulation PDB.
Signed-off-by: NAnca-Jeanina Floarea <anca.floarea@freescale.com>
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

add defines for:
    append load immediate command
    setting SEQ LIODN equal to the Non-SEQ LIODN for the job
    replace job descriptor command
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Store command has options to overwrite the Job Desc, Shared Desc or
the entire Descriptor in memory, using the address from
which the Descriptor was fetched.
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

added all supported math funtion on 8 byte boundary with
immediate flag bit set automatically

added MATH_SRC0_DPOVRD & MATH_SRC1_DPOVRD

The function/defines above are needed for creating descriptors
longer than 64 words
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Perform 32-bit left shift of DEST and concatenate with
left 32 bits of SRC1. {DEST[31:0],SRC1[63:32]}
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Acked-by: NMihai Serb <mihai.serb@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

In case Store command is used with overwrite Shared Descriptor
feature there is no need for pointer, it is using the
address from which the Shared Descriptor was fetched.
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

SEQ IN PTR command does not require pointer if RTO or PRE bit is set
Updated desc_constr.h accordingly.
Signed-off-by: NAndrei Varvara <andrei.varvara@freescale.com>
Reviewed-by: NPhillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: NFleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The Kconfig symbol EXPERIMENTAL was removed in v3.9. So this dependency
makes it impossible to set CRYPTO_DEV_SAHARA. It's unlikely that this is
what is intended, so let's remove this dependency.
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d063
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d063
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d063
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d063
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Cc: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Replace calls to deprecated devm_request_and_ioremap by devm_ioremap_resource.

Found with coccicheck and this semantic patch:
 scripts/coccinelle/api/devm_request_and_ioremap.cocci.
Signed-off-by: NLaurent Navet <laurent.navet@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

These are simple tests to do sanity check of CRC T10 DIF hash.  The
correctness of the transform can be checked with the command
	modprobe tcrypt mode=47
The speed of the transform can be evaluated with the command
	modprobe tcrypt mode=320

Set the cpu frequency to constant and turn turbo off when running the
speed test so the frequency governor will not tweak the frequency and
affects the measurements.
Signed-off-by: NTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Glue code that plugs the PCLMULQDQ accelerated CRC T10 DIF hash into the
crypto framework.  The config CRYPTO_CRCT10DIF_PCLMUL should be turned
on to enable the feature.  The crc_t10dif crypto library function will
use this faster algorithm when crct10dif_pclmul module is loaded.
Signed-off-by: NTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

This is the x86_64 CRC T10 DIF transform accelerated with the PCLMULQDQ
instructions.  Details discussing the implementation can be found in the
paper:

"Fast CRC Computation for Generic Polynomials Using PCLMULQDQ Instruction"
http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdfSigned-off-by: NTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

When CRC T10 DIF is calculated using the crypto transform framework, we
wrap the crc_t10dif function call to utilize it.  This allows us to
take advantage of any accelerated CRC T10 DIF transform that is
plugged into the crypto framework.
Signed-off-by: NTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

For SEC including a RNG block version >= 4, special initialization
must occur before any descriptor that uses RNG block can be
submitted. This initialization is required not only for SEC
with version greater than 5.0, but for SEC with RNG version >=4.
There may be a case where RNG has already been instantiated by
u-boot or boot ROM code.In such SoCs, if RNG is initialized again
SEC would returns "Instantiation error". Hence, the initialization
status of RNG4 should be also checked before doing RNG init.
Signed-off-by: NRuchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: NAlex Porosanu <alexandru.porosanu@freescale.com>
Signed-off-by: NAndy Fleming <afleming@freescale.com>
Reviewed-by: NVakul Garg <vakul@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

Pull tracing/kprobes update from Steven Rostedt:
 "The majority of these changes are from Masami Hiramatsu bringing
  kprobes up to par with the latest changes to ftrace (multi buffering
  and the new function probes).

  He also discovered and fixed some bugs in doing so.  When pulling in
  his patches, I also found a few minor bugs as well and fixed them.

  This also includes a compile fix for some archs that select the ring
  buffer but not tracing.

  I based this off of the last patch you took from me that fixed the
  merge conflict error, as that was the commit that had all the changes
  I needed for this set of changes."

* tag 'trace-fixes-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing/kprobes: Support soft-mode disabling
  tracing/kprobes: Support ftrace_event_file base multibuffer
  tracing/kprobes: Pass trace_probe directly from dispatcher
  tracing/kprobes: Increment probe hit-count even if it is used by perf
  tracing/kprobes: Use bool for retprobe checker
  ftrace: Fix function probe when more than one probe is added
  ftrace: Fix the output of enabled_functions debug file
  ftrace: Fix locking in register_ftrace_function_probe()
  tracing: Add helper function trace_create_new_event() to remove duplicate code
  tracing: Modify soft-mode only if there's no other referrer
  tracing: Indicate enabled soft-mode in enable file
  tracing/kprobes: Fix to increment return event probe hit-count
  ftrace: Cleanup regex_lock and ftrace_lock around hash updating
  ftrace, kprobes: Fix a deadlock on ftrace_regex_lock
  ftrace: Have ftrace_regex_write() return either read or error
  tracing: Return error if register_ftrace_function_probe() fails for event_enable_func()
  tracing: Don't succeed if event_enable_func did not register anything
  ring-buffer: Select IRQ_WORK

Merge tag 'stable/for-linus-3.10-rc0-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen bug-fixes from Konrad Rzeszutek Wilk:
 - More fixes in the vCPU PVHVM hotplug path.
 - Add more documentation.
 - Fix various ARM related issues in the Xen generic drivers.
 - Updates in the xen-pciback driver per Bjorn's updates.
 - Mask the x2APIC feature for PV guests.

* tag 'stable/for-linus-3.10-rc0-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/pci: Used cached MSI-X capability offset
  xen/pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
  xen: clear IRQ_NOAUTOEN and IRQ_NOREQUEST
  xen: mask x2APIC feature in PV
  xen: SWIOTLB is only used on x86
  xen/spinlock: Fix check from greater than to be also be greater or equal to.
  xen/smp/pvhvm: Don't point per_cpu(xen_vpcu, 33 and larger) to shared_info
  xen/vcpu: Document the xen_vcpu_info and xen_vcpu
  xen/vcpu/pvhvm: Fix vcpu hotplugging hanging.