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2009-07-08crypto: shash - Add crypto_shash_ctx_alignedHerbert Xu1-0/+5
This patch adds crypto_shash_ctx_aligned which will be needed by hmac after its conversion to shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-08crypto: shash - Add shash_register_instanceHerbert Xu2-2/+27
This patch adds shash_register_instance so that shash instances can be registered without bypassing the shash checks applied to normal algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-08crypto: shash - Add shash_attr_alg2 helperHerbert Xu2-0/+12
This patch adds the helper shash_attr_alg2 which locates a shash algorithm based on the information in the given attribute. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-08crypto: api - Add crypto_attr_alg2 helperHerbert Xu4-13/+40
This patch adds the helper crypto_attr_alg2 which is similar to crypto_attr_alg but takes an extra frontend argument. This is intended to be used by new style algorithm types such as shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-08crypto: shash - Add spawn supportHerbert Xu2-0/+23
This patch adds the functions needed to create and use shash spawns, i.e., to use shash algorithms in a template. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-08crypto: api - Add new style spawn supportHerbert Xu2-3/+58
This patch modifies the spawn infrastructure to support new style algorithms like shash. In particular, this means storing the frontend type in the spawn and using crypto_create_tfm to allocate the tfm. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-08crypto: shash - Add shash_instanceHerbert Xu2-0/+33
This patch adds shash_instance and the associated alloc/free functions. This is meant to be an instance that with a shash algorithm under it. Note that the instance itself doesn't have to be shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-07crypto: api - Add crypto_alloc_instance2Herbert Xu2-6/+33
This patch adds a new argument to crypto_alloc_instance which sets aside some space before the instance for use by algorithms such as shash that place type-specific data before crypto_alg. For compatibility the function has been renamed so that existing users aren't affected. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-07crypto: api - Add new template create functionHerbert Xu2-0/+6
This patch introduces the template->create function intended to replace the existing alloc function. The intention is for create to handle the registration directly, whereas currently the caller of alloc has to handle the registration. This allows type-specific code to be run prior to registration. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-03crypto: ansi_prng - alloc cipher just in initSebastian Andrzej Siewior1-17/+8
As reported by Eric Sesterhenn the re-allocation of the cipher in reset leads to: |BUG: sleeping function called from invalid context at kernel/rwsem.c:21 |in_atomic(): 1, irqs_disabled(): 0, pid: 4926, name: modprobe |INFO: lockdep is turned off. |Pid: 4926, comm: modprobe Tainted: G M 2.6.31-rc1-22297-g5298976 #24 |Call Trace: | [<c011dd93>] __might_sleep+0xf9/0x101 | [<c0777aa0>] down_read+0x16/0x68 | [<c048bf04>] crypto_alg_lookup+0x16/0x34 | [<c048bf52>] crypto_larval_lookup+0x30/0xf9 | [<c048c038>] crypto_alg_mod_lookup+0x1d/0x62 | [<c048c13e>] crypto_alloc_base+0x1e/0x64 | [<c04bf991>] reset_prng_context+0xab/0x13f | [<c04e5cfc>] ? __spin_lock_init+0x27/0x51 | [<c04bfce1>] cprng_init+0x2a/0x42 | [<c048bb4c>] __crypto_alloc_tfm+0xfa/0x128 | [<c048c153>] crypto_alloc_base+0x33/0x64 | [<c04933c9>] alg_test_cprng+0x30/0x1f4 | [<c0493329>] alg_test+0x12f/0x19f | [<c0177f1f>] ? __alloc_pages_nodemask+0x14d/0x481 | [<d09219e2>] do_test+0xf9d/0x163f [tcrypt] | [<d0920de6>] do_test+0x3a1/0x163f [tcrypt] | [<d0926035>] tcrypt_mod_init+0x35/0x7c [tcrypt] | [<c010113c>] _stext+0x54/0x12c | [<d0926000>] ? tcrypt_mod_init+0x0/0x7c [tcrypt] | [<c01398a3>] ? up_read+0x16/0x2b | [<c0139fc4>] ? __blocking_notifier_call_chain+0x40/0x4c | [<c014ee8d>] sys_init_module+0xa9/0x1bf | [<c010292b>] sysenter_do_call+0x12/0x32 because a spin lock is held and crypto_alloc_base() may sleep. There is no reason to re-allocate the cipher, the state is resetted in ->setkey(). This patches makes the cipher allocation a one time thing and moves it to init. Reported-by: Eric Sesterhenn <eric.sesterhenn@lsexperts.de> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-03crypto: ansi_prng - Use just a BH lockSebastian Andrzej Siewior1-5/+4
The current code uses a mix of sping_lock() & spin_lock_irqsave(). This can lead to deadlock with the correct timming & cprng_get_random() + cprng_reset() sequence. I've converted them to bottom half locks since all three user grab just a BH lock so this runs probably in softirq :) Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-07-02crypto: testmgr - Allow implementation-specific testsHerbert Xu1-4/+13
This patch adds the support for testing specific implementations. This should only be used in very specific situations. Right now this means specific implementations of random number generators. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-25crypto: skcipher - Change default sync geniv on SMP to eseqivHerbert Xu1-1/+19
As it stands we use chainiv for sync algorithms and eseqiv for async algorithms. However, when there is more than one CPU chainiv forces all processing to be serialised which is usually not what you want. Also, the added overhead of eseqiv isn't that great. Therefore this patch changes the default sync geniv on SMP machines to eseqiv. For the odd situation where the overhead is unacceptable then chainiv is still available as an option. Note that on UP machines chainiv is still preferred over eseqiv for sync algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-25crypto: skcipher - Fix request for sync algorithmsHerbert Xu1-1/+2
When a sync givcipher algorithm is requested, if an async version of the same algorithm already exists, then we will loop forever without ever constructing the sync version based on a blkcipher. This is because we did not include the requested type/mask when getting a larval for the geniv algorithm that is to be constructed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-25hwrng: Use PCI_VDEVICEJoe Perches2-4/+3
Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-24crypto: testmgr - Remove hash size checkHerbert Xu1-4/+0
Until hash test vectors grow longer than 256 bytes, the only purpose of the check is to generate a gcc warning. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-24crypto: aes-ni - Don't print message with KERN_ERR on old systemRoland Dreier1-1/+1
When the aes-intel module is loaded on a system that does not have the AES instructions, it prints Intel AES-NI instructions are not detected. at level KERN_ERR. Since aes-intel is aliased to "aes" it will be tried whenever anything uses AES and spam the console. This doesn't match existing practice for how to handle "no hardware" when initializing a module, so downgrade the message to KERN_INFO. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-21crypto: fips - Select CPRNGNeil Horman1-0/+1
The ANSI CPRNG has no dependence on FIPS support. FIPS support however, requires the use of the CPRNG. Adjust that depedency relationship in Kconfig. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-19crypto: tcrypt - Fix module return code when testing by nameHerbert Xu1-1/+1
We should return 0/-ENOENT instead of 1/0 when testing by name. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-19crypto: ansi_cprng - Do not select FIPSHerbert Xu1-1/+0
The RNG should work with FIPS disabled. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-19crypto: tcrypt - Test algorithms by nameSteffen Klassert1-1/+14
This adds the 'alg' module parameter to be able to test an algorithm by name. If the algorithm type is not ad-hoc clear for a algorithm (e.g. pcrypt, cryptd) it is possilbe to set the algorithm type with the 'type' module parameter. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: des_s390 - Permit weak keys unless REQ_WEAK_KEY setJarod Wilson1-5/+6
Just started running fips cavs test vectors through an s390x system for giggles, and discovered that I missed patching s390's arch-specific des3 implementation w/an earlier des3 patch to permit weak keys. This change adds the same flag tweaks as ad79cdd77fc1466e45cf923890f66bcfe7c43f12 (crypto: des3_ede - permit weak keys unless REQ_WEAK_KEY set) for s390's des3 implementation, yields expected test results now. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18random: Add optional continuous repetition test to entropy store based rngsNeil Horman3-6/+25
FIPS-140 requires that all random number generators implement continuous self tests in which each extracted block of data is compared against the last block for repetition. The ansi_cprng implements such a test, but it would be nice if the hw rng's did the same thing. Obviously its not something thats always needed, but it seems like it would be a nice feature to have on occasion. I've written the below patch which allows individual entropy stores to be flagged as desiring a continuous test to be run on them as is extracted. By default this option is off, but is enabled in the event that fips mode is selected during bootup. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: aes-ni - Remove CRYPTO_TFM_REQ_MAY_SLEEP from fpu templateHuang Ying1-2/+2
kernel_fpu_begin/end used preempt_disable/enable, so sleep should be prevented between kernel_fpu_begin/end. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: aes-ni - Do not sleep when using the FPUHuang Ying1-0/+4
Because AES-NI instructions will touch XMM state, corresponding code must be enclosed within kernel_fpu_begin/end, which used preempt_disable/enable. So sleep should be prevented between kernel_fpu_begin/end. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: aes-ni - Fix cbc mode IV savingHuang Ying1-2/+3
Original implementation of aesni_cbc_dec do not save IV if input length % 4 == 0. This will make decryption of next block failed. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: padlock-aes - work around Nano CPU errata in CBC modeChuck Ebbert1-18/+65
Extend previous workarounds for the prefetch bug to cover CBC mode, clean up the code a bit. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Acked-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-18crypto: padlock-aes - work around Nano CPU errata in ECB modeChuck Ebbert1-35/+46
The VIA Nano processor has a bug that makes it prefetch extra data during encryption operations, causing spurious page faults. Extend existing workarounds for ECB mode to copy the data to an temporary buffer to avoid the problem. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Acked-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2009-06-17ia64: Fix resource assignment for root bussesMatthew Wilcox1-2/+2
ia64 was assigning resources to root busses after allocations had been made for child busses. Calling pcibios_setup_root_windows() from pcibios_fixup_bus() solves this problem by assigning the resources to the root bus before child busses are scanned. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17x86: Use pci_claim_resourceMatthew Wilcox1-10/+7
Instead of open-coding pci_find_parent_resource and request_resource, just call pci_claim_resource. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17Delete pcibios_select_rootMatthew Wilcox11-132/+0
This function was only used by pci_claim_resource(), and the last commit deleted that use. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17Fix pci_claim_resourceMatthew Wilcox1-2/+2
Instead of starting from the iomem or ioport roots, start from the parent bus' resources. This fixes a bug where child resources would appear above their parents resources if they had the same size. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-17mfd: early init for MFD running regulatorsSamuel Ortiz3-3/+3
For MFDs running regulator cores, we really want them to be brought up early during boot. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mike Rapoport <mike@compulab.co.il>
2009-06-17mfd: fix tmio related warningsSamuel Ortiz4-4/+4
We can not have .driver_data as const since platform_set_drvdata() doesnt take a const. The hclk mmc_data field can be const though. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: enable SD/SDIO cellPhilipp Zabel1-1/+113
This enables the ASIC3's SD/SDIO MFD cell, supported by the tmio_mmc driver. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: enable DS1WM cellPhilipp Zabel2-0/+100
This enables the ASIC3's DS1WM MFD cell, supported by the ds1wm driver. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: remove SD/SDIO controller register definitionsPhilipp Zabel1-216/+3
Only the base addresses remain, as they are needed to set up the IOMEM resources. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: use resource_size macro instead of local variablePhilipp Zabel1-4/+2
This should make the code a little bit easier to read. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: add ASIC3 IRQ numbersPhilipp Zabel1-0/+7
IRQ number definitions for PWM, LED, SPI and OWM (ds1wm). Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: add clock handling for MFD cellsPhilipp Zabel1-0/+80
Since ASIC3 has to work on both PXA and S3C and since their struct clk implementations differ, we can't register out clocks with the clkdev mechanism (yet?). For now we have to keep clock handling internal to this driver and enable/disable the clocks via the mfd_cell->enable/disable functions. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: asic3: add asic3_set_register common operationPhilipp Zabel2-5/+20
Used to configure single bits of the SDHWCTRL_SDCONF and EXTCF_RESET/SELECT registers needed for DS1WM, MMC/SDIO and PCMCIA functionality. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Fix Kconfig help text for WM8350Mark Brown1-1/+1
More with the grammar. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: add PCAP driverDaniel Ribeiro4-0/+770
The PCAP Asic as present on EZX phones is a multi function device with voltage regulators, ADC, touch screen controller, RTC, USB transceiver, leds controller, and audio codec. It has two SPI ports, typically one is connected to the application processor and another to the baseband, this driver provides read/write functions to its registers, irq demultiplexer and ADC queueing/abstraction. This chip is used on a lot of Motorola phones, it was manufactured by TI as a custom product with the name PTWL93017, later this design evolved into the ATLAS PMIC from Freescale (MC13783). Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: add U300 AB3100 core supportLinus Walleij4-1/+1110
This adds a core driver for the AB3100 mixed-signal circuit found in the ST-Ericsson U300 series platforms. This driver is a singleton proxy for all accesses to the AB3100 sub-drivers which will be merged on top of this one, RTC, regulators, battery and system power control, vibrator, LEDs, and an ALSA codec. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Reviewed-by: Mike Rapoport <mike@compulab.co.il> Reviewed-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17drivers/mfd: remove obsolete irq_desc_t typedefThomas Gleixner1-1/+1
The defines and typedefs (hw_interrupt_type, no_irq_type, irq_desc_t) have been kept around for migration reasons. After more than two years it's time to remove them finally. This patch cleans up one of the remaining users. When all such patches hit mainline we can remove the defines and typedefs finally. Impact: cleanup Convert the last remaining users and remove the typedef. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd/pcf50633-gpio.c: add MODULE_LICENSEAdrian Bunk1-0/+3
Add the missing MODULE_LICENSE("GPL"). Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Balaji Rao <balajirrao@openmoko.org> Cc: Andy Green <andy@openmoko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Mark WM8350 mask revision as readable to match siliconMark Brown1-1/+1
No impact unless someone has written additional kernel code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Mark clocks_init as non-init in twl4030-core.cRakib Mullick1-1/+1
Impact: Fix section mismatch. clocks_init() has been called from twl4030_probe() which is a non-init function. Since probing can be done anytime so clocks_init will be called anytime too. So we mark clock_init() as non-init. LD drivers/mfd/built-in.o WARNING: drivers/mfd/built-in.o(.text+0x8dd9): Section mismatch in reference from the function twl4030_probe() to the function .init.text:clocks_init() The function twl4030_probe() references the function __init clocks_init(). This is often because twl4030_probe lacks a __init annotation or the annotation of clocks_init is wrong. Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17mfd: Correct readability of WM8350 register 227Mark Brown1-1/+1
This includes the USB current limit status override which is used in the power management driver. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-06-17kmemleak: Fix some typos in commentsCatalin Marinas1-4/+4
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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