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path: root/drivers/char/hw_random
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2012-08-22hw_random: add support for the TPM chip as a hardware RNG sourceKent Yoder3-0/+64
This driver will make use of any available TPM chip on the system as a hwrng source. Acked-by: David Safford <safford@linux.vnet.ibm.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2012-08-10omap-rng: fix use of SIMPLE_DEV_PM_OPSArnd Bergmann1-1/+1
omap_rng_suspend and omap_rng_resume are unused if CONFIG_PM is enabled but CONFIG_PM_SLEEP is disabled. I found this while building all defconfig files on ARM. It's not clear to me if this is the right solution, but at least it makes the code consistent again. Without this patch, building omap1_defconfig results in: drivers/char/hw_random/omap-rng.c:165:12: warning: 'omap_rng_suspend' defined but not used [-Wunused-function] drivers/char/hw_random/omap-rng.c:171:12: warning: 'omap_rng_resume' defined but not used [-Wunused-function] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Kevin Hilman <khilman@ti.com> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Herbert Xu <herbert@gondor.apana.org.au>
2012-07-31Merge tag 'virtio-for-linus' of ↵Linus Torvalds1-3/+34
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus Pull virtio update from Rusty Russell: "Virtio patches, mainly hotplugging fixes." * tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio-blk: return VIRTIO_BLK_F_FLUSH to header. virtio-blk: allow toggling host cache between writeback and writethrough virtio-blk: Use block layer provided spinlock virtio-blk: Reset device after blk_cleanup_queue() virtio-blk: Call del_gendisk() before disable guest kick virtio: rng: s3/s4 support virtio: rng: split out common code in probe / remove for s3/s4 ops virtio: rng: don't wait on host when module is going away virtio: rng: allow tasks to be killed that are waiting for rng input virtio ids: fix comment for virtio-rng
2012-07-30Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds3-0/+190
Pull MIPS updates from Ralf Baechle: "More hardware support across the field including a bunch of device drivers. The highlight however really are further steps towards device tree. This has been sitting in -next for ages. All MIPS _defconfigs have been tested to boot or where I don't have hardware available, to at least build fine." * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (77 commits) MIPS: Loongson 1B: Add defconfig MIPS: Loongson 1B: Add board support MIPS: Netlogic: early console fix MIPS: Netlogic: Fix indentation of smpboot.S MIPS: Netlogic: remove cpu_has_dc_aliases define for XLP MIPS: Netlogic: Remove unused pcibios_fixups MIPS: Netlogic: Add XLP SoC devices in FDT MIPS: Netlogic: Add IRQ mappings for more devices MIPS: Netlogic: USB support for XLP MIPS: Netlogic: XLP PCIe controller support. MIPS: Netlogic: Platform changes for XLR/XLS I2C MIPS: Netlogic: Platform NAND/NOR flash support MIPS: Netlogic: Platform changes for XLS USB MIPS: Netlogic: Remove NETLOGIC_ prefix MIPS: Netlogic: SMP wakeup code update MIPS: Netlogic: Update comments in smpboot.S MIPS: BCM63XX: Add 96328avng reference board MIPS: Expose PCIe drivers for MIPS MIPS: BCM63XX: Add PCIe Support for BCM6328 MIPS: BCM63XX: Move the PCI initialization into its own function ...
2012-07-30virtio: rng: s3/s4 supportAmit Shah1-0/+17
Unregister from the hwrng interface and remove the vq before entering the S3 or S4 states. Add the vq and re-register with hwrng on restore. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-07-30virtio: rng: split out common code in probe / remove for s3/s4 opsAmit Shah1-2/+12
The freeze/restore s3/s4 operations will use code that's common to the probe and remove routines. Put the common code in separate funcitons. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-07-30virtio: rng: don't wait on host when module is going awayAmit Shah1-0/+1
No use waiting for input from host when the module is being removed. We're going to remove the vq in the next step anyway, so just perform any other steps for cleanup (currently none). Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-07-30virtio: rng: allow tasks to be killed that are waiting for rng inputAmit Shah1-1/+4
Use wait_for_completion_killable() instead of wait_for_completion() when waiting for the host to send us entropy. Without this, # cat /dev/hwrng ^C just hangs. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-07-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds4-8/+208
Pull crypto updates from Herbert Xu: - Fixed algorithm construction hang when self-test fails. - Added SHA variants to talitos AEAD list. - New driver for Exynos random number generator. - Performance enhancements for arc4. - Added hwrng support to caam. - Added ahash support to caam. - Fixed bad kfree in aesni-intel. - Allow aesni-intel in FIPS mode. - Added atmel driver with support for AES/3DES/SHA. - Bug fixes for mv_cesa. - CRC hardware driver for BF60x family processors. * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (66 commits) crypto: twofish-avx - remove useless instruction crypto: testmgr - add aead cbc aes hmac sha1,256,512 test vectors crypto: talitos - add sha224, sha384 and sha512 to existing AEAD algorithms crypto: talitos - export the talitos_submit function crypto: talitos - move talitos structures to header file crypto: atmel - add new tests to tcrypt crypto: atmel - add Atmel SHA1/SHA256 driver crypto: atmel - add Atmel DES/TDES driver crypto: atmel - add Atmel AES driver ARM: AT91SAM9G45: add crypto peripherals crypto: testmgr - allow aesni-intel and ghash_clmulni-intel in fips mode hwrng: exynos - Add support for Exynos random number generator crypto: aesni-intel - fix wrong kfree pointer crypto: caam - ERA retrieval and printing for SEC device crypto: caam - Using alloc_coherent for caam job rings crypto: algapi - Fix hang on crypto allocation crypto: arc4 - now arc needs blockcipher support crypto: caam - one tasklet per job ring crypto: caam - consolidate memory barriers from job ring en/dequeue crypto: caam - only query h/w in job ring dequeue path ...
2012-07-24hw_random: add Broadcom BCM63xx RNG driverFlorian Fainelli3-0/+190
Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: mpm@selenic.com Cc: herbert@gondor.apana.org.au Patchwork: https://patchwork.linux-mips.org/patch/3327/ Patchwork: https://patchwork.linux-mips.org/patch/4072/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-11hwrng: exynos - Add support for Exynos random number generatorJonghwa Lee3-0/+195
This patch supports Exynos SOC's PRNG driver. Exynos's PRNG has 5 seeds and 5 random number outputs. Module is excuted under runtime power management control, so it activates only while it's in use. Otherwise it will be suspended generally. It was tested on PQ board by rngtest program. Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-07-10omap-rng: Use struct dev_pm_ops for power managementRafael J. Wysocki1-6/+7
Make the omap-rng driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-06-27hwrng: mxc-rnga - fix data_present APIBenoît Thébaudeau1-8/+13
Commit 45001e9, which added support for RNGA, ignored the previous commit 984e976, which changed the data_present API. Cc: Matt Mackall <mpm@selenic.com> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Alan Carvalho de Assis <acassis@gmail.com> Cc: <linux-arm-kernel@lists.infradead.org> Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-06-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-1/+1
Pull a crypto fix from Herbert Xu: "This push fixes another bug in the atmel-rng that made it produce completely useless output." * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: hwrng: atmel-rng - fix data valid check
2012-06-12hwrng: atmel-rng - fix data valid checkPeter Korsgaard1-1/+1
Brown paper bag: Data valid is LSB of the ISR (status register), and NOT of ODATA (current random data word)! With this, rngtest is a lot happier. Before: rngtest 3 Copyright (c) 2004 by Henrique de Moraes Holschuh This is free software; see the source for copying conditions. There is NO warr. rngtest: starting FIPS tests... rngtest: bits received from input: 20000032 rngtest: FIPS 140-2 successes: 3 rngtest: FIPS 140-2 failures: 997 rngtest: FIPS 140-2(2001-10-10) Monobit: 604 rngtest: FIPS 140-2(2001-10-10) Poker: 996 rngtest: FIPS 140-2(2001-10-10) Runs: 36 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 117 rngtest: input channel speed: (min=622.371; avg=23682.481; max=28224.350)Kibitss rngtest: FIPS tests speed: (min=12.361; avg=12.718; max=12.861)Mibits/s rngtest: Program run time: 2331696 microsecondsx After: rngtest 3 Copyright (c) 2004 by Henrique de Moraes Holschuh This is free software; see the source for copying conditions. There is NO warr. rngtest: starting FIPS tests... rngtest: bits received from input: 20000032 rngtest: FIPS 140-2 successes: 999 rngtest: FIPS 140-2 failures: 1 rngtest: FIPS 140-2(2001-10-10) Monobit: 0 rngtest: FIPS 140-2(2001-10-10) Poker: 0 rngtest: FIPS 140-2(2001-10-10) Runs: 1 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 0 rngtest: input channel speed: (min=777.363; avg=43588.270; max=47870.711)Kibitss rngtest: FIPS tests speed: (min=11.943; avg=12.716; max=12.844)Mibits/s rngtest: Program run time: 1955282 microseconds Cc: stable@vger.kernel.org Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Reported-by: George Pontis <GPontis@z9.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-06-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-0/+7
Pull crypto fixes from Herbert Xu: "This push fixes an unaligned fault on x86-32 with aesni-intel and an RNG failure with atmel-rng (repeated bits)." * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni-intel - fix unaligned cbc decrypt for x86-32 hwrng: atmel-rng - fix race condition leading to repeated bits
2012-05-31hwrng: atmel-rng - fix race condition leading to repeated bitsPeter Korsgaard1-0/+7
Data valid gets cleared by reading the ISR (status register) and NOT from reading ODATA (data register). A new data word can become available between checking ISR and reading ODATA, causing us to reuse the same data word next time atmel_trng_read() gets called, if that happens before the following data word is ready. With this fixed, rngtest no longer complains of 'Continous run' errors. Before: rngtest -c 1000 < /dev/hwrng rngtest 3 Copyright (c) 2004 by Henrique de Moraes Holschuh This is free software; see the source for copying conditions. There is NO warr. rngtest: starting FIPS tests... rngtest: bits received from input: 20000032 rngtest: FIPS 140-2 successes: 923 rngtest: FIPS 140-2 failures: 77 rngtest: FIPS 140-2(2001-10-10) Monobit: 0 rngtest: FIPS 140-2(2001-10-10) Poker: 0 rngtest: FIPS 140-2(2001-10-10) Runs: 1 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 76 rngtest: input channel speed: (min=721.402; avg=46003.510; max=49321.338)Kibitss rngtest: FIPS tests speed: (min=11.442; avg=12.714; max=12.801)Mibits/s rngtest: Program run time: 1931860 microseconds After: rngtest -c 1000 < /dev/hwrng rngtest 3 Copyright (c) 2004 by Henrique de Moraes Holschuh This is free software; see the source for copying conditions. There is NO warr. rngtest: starting FIPS tests... rngtest: bits received from input: 20000032 rngtest: FIPS 140-2 successes: 1000 rngtest: FIPS 140-2 failures: 0 rngtest: FIPS 140-2(2001-10-10) Monobit: 0 rngtest: FIPS 140-2(2001-10-10) Poker: 0 rngtest: FIPS 140-2(2001-10-10) Runs: 0 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 0 rngtest: input channel speed: (min=777.518; avg=36988.482; max=43115.342)Kibitss rngtest: FIPS tests speed: (min=11.951; avg=12.715; max=12.887)Mibits/s rngtest: Program run time: 2035543 microseconds Cc: stable@vger.kernel.org Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Reported-by: George Pontis <GPontis@z9.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-05-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds2-21/+3
Pull crypto updates from Herbert Xu: - New cipher/hash driver for ARM ux500. - Code clean-up for aesni-intel. - Misc fixes. Fixed up conflicts in arch/arm/mach-ux500/devices-common.h, where quite frankly some of it made no sense at all (the pull brought in a declaration for the dbx500_add_platform_device_noirq() function, which neither exists nor is used anywhere). Also some trivial add-add context conflicts in the Kconfig file in drivers/{char/hw_random,crypto}/ * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni-intel - move more common code to ablk_init_common crypto: aesni-intel - use crypto_[un]register_algs crypto: ux500 - Cleanup hardware identification crypto: ux500 - Update DMA handling for 3.4 mach-ux500: crypto - core support for CRYP/HASH module. crypto: ux500 - Add driver for HASH hardware crypto: ux500 - Add driver for CRYP hardware hwrng: Kconfig - modify default state for atmel-rng driver hwrng: omap - use devm_request_and_ioremap crypto: crypto4xx - move up err_request_irq label crypto, xor: Sanitize checksumming function selection output crypto: caam - add backward compatible string sec4.0
2012-05-23Merge branch 'next' of ↵Linus Torvalds3-0/+110
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc updates from Benjamin Herrenschmidt: "Here are the powerpc goodies for 3.5. Main highlights are: - Support for the NX crypto engine in Power7+ - A bunch of Anton goodness, including some micro optimization of our syscall entry on Power7 - I converted a pile of our thermal control drivers to the new i2c APIs (essentially turning the old therm_pm72 into a proper set of windfarm drivers). That's one more step toward removing the deprecated i2c APIs, there's still a few drivers to fix, but we are getting close - kexec/kdump support for 47x embedded cores The big missing thing here is no updates from Freescale. Not sure what's up here, but with Kumar not working for them anymore things are a bit in a state of flux in that area." * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (71 commits) powerpc: Fix irq distribution Revert "powerpc/hw-breakpoint: Use generic hw-breakpoint interfaces for new PPC ptrace flags" powerpc: Fixing a cputhread code documentation powerpc/crypto: Enable the PFO-based encryption device powerpc/crypto: Build files for the nx device driver powerpc/crypto: debugfs routines and docs for the nx device driver powerpc/crypto: SHA512 hash routines for nx encryption powerpc/crypto: SHA256 hash routines for nx encryption powerpc/crypto: AES-XCBC mode routines for nx encryption powerpc/crypto: AES-GCM mode routines for nx encryption powerpc/crypto: AES-ECB mode routines for nx encryption powerpc/crypto: AES-CTR mode routines for nx encryption powerpc/crypto: AES-CCM mode routines for nx encryption powerpc/crypto: AES-CBC mode routines for nx encryption powerpc/crypto: nx driver code supporting nx encryption powerpc/pseries: Enable the PFO-based RNG accelerator powerpc/pseries/hwrng: PFO-based hwrng driver powerpc/pseries: Add PFO support to the VIO bus powerpc/pseries: Add pseries update notifier for OFDT prop changes powerpc/pseries: Add new hvcall constants to support PFO ...
2012-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linuxHerbert Xu2-12/+3
Merge mainline to add prerequisite for ARM ux500 crypto support.
2012-05-14powerpc/pseries/hwrng: PFO-based hwrng driverKent Yoder3-0/+110
Adds support for the Platform Facilities Option (PFO)-based hardware random number generator for POWER hardware. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-04-30hwrng: Kconfig - modify default state for atmel-rng driverNicolas Ferre1-1/+1
In order to prevent building the Atmel hw_random driver for each and every configuration, add a "default" Kconfig state in relation with CONFIG_ARCH_AT91. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-04-27hwrng: omap - use devm_request_and_ioremapJulia Lawall1-20/+2
Using devm_request_and_ioremap is more concise. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-04-16hwrng: Kconfig: remove dependency for atmel-rng driverNicolas Ferre1-1/+1
This will allow to select this driver for newer SoCs. Make sure to keep dependency on HAVE_CLK to avoid breaking other machines. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-03-28Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+2
Pull "ARM: global cleanups" from Arnd Bergmann: "Quite a bit of code gets removed, and some stuff moved around, mostly the old samsung s3c24xx stuff. There should be no functional changes in this series otherwise. Some cleanups have dependencies on other arm-soc branches and will be sent in the second round. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" Fixed up trivial conflicts mainly due to #include's being changes on both sides. * tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits) ep93xx: Remove unnecessary includes of ep93xx-regs.h ep93xx: Move EP93XX_SYSCON defines to SoC private header ep93xx: Move crunch code to mach-ep93xx directory ep93xx: Make syscon access functions private to SoC ep93xx: Configure GPIO ports in core code ep93xx: Move peripheral defines to local SoC header ep93xx: Convert the watchdog driver into a platform device. ep93xx: Use ioremap for backlight driver ep93xx: Move GPIO defines to gpio-ep93xx.h ep93xx: Don't use system controller defines in audio drivers ep93xx: Move PHYS_BASE defines to local SoC header file ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver ARM: EXYNOS: add clock registers for exynos4x12-cpufreq PM / devfreq: update the name of EXYNOS clock registers that were omitted PM / devfreq: update the name of EXYNOS clock register ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock ARM: EXYNOS: use static declaration on regarding clock ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs ARM: OMAP2+: Fix build error after merge ARM: S3C24XX: remove call to s3c24xx_setup_clocks ...
2012-03-24Merge branch 'amba' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds1-12/+1
Pull #2 ARM updates from Russell King: "Further ARM AMBA primecell updates which aren't included directly in the previous commit. I wanted to keep these separate as they're touching stuff outside arch/arm/." * 'amba' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7362/1: AMBA: Add module_amba_driver() helper macro for amba_driver ARM: 7335/1: mach-u300: do away with MMC config files ARM: 7280/1: mmc: mmci: Cache MMCICLOCK and MMCIPOWER register ARM: 7309/1: realview: fix unconnected interrupts on EB11MP ARM: 7230/1: mmc: mmci: Fix PIO read for small SDIO packets ARM: 7227/1: mmc: mmci: Prepare for SDIO before setting up DMA job ARM: 7223/1: mmc: mmci: Fixup use of runtime PM and use autosuspend ARM: 7221/1: mmc: mmci: Change from using legacy suspend ARM: 7219/1: mmc: mmci: Change vdd_handler to a generic ios_handler ARM: 7218/1: mmc: mmci: Provide option to configure bus signal direction ARM: 7217/1: mmc: mmci: Put power register deviations in variant data ARM: 7216/1: mmc: mmci: Do not release spinlock in request_end ARM: 7215/1: mmc: mmci: Increase max_segs from 16 to 128
2012-03-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-4/+1
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 ...
2012-03-17ARM: 7362/1: AMBA: Add module_amba_driver() helper macro for amba_driverviresh kumar1-12/+1
For simple modules that contain a single amba_driver without any additional setup code then ends up being a block of duplicated boilerplate. This patch adds a new macro, module_amba_driver(), which replaces the module_init()/module_exit() registrations with template functions. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-24ARM: OMAP: Remove plat/io.h by splitting it into mach/io.h and mach/hardware.hTony Lindgren1-0/+2
This is needed to minimize io.h so the SoC specific io.h for ARMs can removed. Note that minimal driver changes for DSS and RNG are needed to include cpu.h for SoC detection macros. Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Matt Mackall <mpm@selenic.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-01-13hwrng: tx4939 - use devm_request_and_ioremapJulia Lawall1-4/+1
Reimplement a call to devm_request_mem_region followed by a call to ioremap or ioremap_nocache by a call to devm_request_and_ioremap. The semantic patch that makes this transformation is as follows: (http://coccinelle.lip6.fr/) // <smpl> @nm@ expression myname; identifier i; @@ struct platform_driver i = { .driver = { .name = myname } }; @@ expression dev,res,size; expression nm.myname; @@ -if (!devm_request_mem_region(dev, res->start, size, - \(res->name\|dev_name(dev)\|myname\))) { - ... - return ...; -} ... when != res->start ( -devm_ioremap(dev,res->start,size) +devm_request_and_ioremap(dev,res) | -devm_ioremap_nocache(dev,res->start,size) +devm_request_and_ioremap(dev,res) ) ... when any when != res->start // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-01-13Merge tag 'to-linus' of git://github.com/rustyrussell/linuxLinus Torvalds1-1/+1
* tag 'to-linus' of git://github.com/rustyrussell/linux: (24 commits) lguest: Make sure interrupt is allocated ok by lguest_setup_irq lguest: move the lguest tool to the tools directory lguest: switch segment-voodoo-numbers to readable symbols virtio: balloon: Add freeze, restore handlers to support S4 virtio: balloon: Move vq initialization into separate function virtio: net: Add freeze, restore handlers to support S4 virtio: net: Move vq and vq buf removal into separate function virtio: net: Move vq initialization into separate function virtio: blk: Add freeze, restore handlers to support S4 virtio: blk: Move vq initialization to separate function virtio: console: Disable callbacks for virtqueues at start of S4 freeze virtio: console: Add freeze and restore handlers to support S4 virtio: console: Move vq and vq buf removal into separate functions virtio: pci: add PM notification handlers for restore, freeze, thaw, poweroff virtio: pci: switch to new PM API virtio_blk: fix config handler race virtio: add debugging if driver doesn't kick. virtio: expose added descriptors immediately. virtio: avoid modulus operation. virtio: support unlocked queue kick ...
2012-01-12virtio: rename virtqueue_add_buf_gfp to virtqueue_add_bufRusty Russell1-1/+1
Remove wrapper functions. This makes the allocation type explicit in all callers; I used GPF_KERNEL where it seemed obvious, left it at GFP_ATOMIC otherwise. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Christoph Hellwig <hch@lst.de>
2012-01-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds7-80/+7
* 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 ...
2011-11-30char: hw_random: convert drivers/char/hw_random/* to use ↵Axel Lin7-80/+7
module_platform_driver() This patch converts the drivers in drivers/char/hw_random/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: David S. Miller <davem@davemloft.net> Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Alexander Clouter <alex@digriz.org.uk> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: David Daney <david.daney@cavium.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-11-22hwrng: nomadik: Enable module alias autogeneration for AMBA driversDave Martin1-0/+2
Signed-off-by: Dave Martin <dave.martin@linaro.org>
2011-11-07Merge branch 'modsplit-Oct31_2011' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits) Revert "tracing: Include module.h in define_trace.h" irq: don't put module.h into irq.h for tracking irqgen modules. bluetooth: macroize two small inlines to avoid module.h ip_vs.h: fix implicit use of module_get/module_put from module.h nf_conntrack.h: fix up fallout from implicit moduleparam.h presence include: replace linux/module.h with "struct module" wherever possible include: convert various register fcns to macros to avoid include chaining crypto.h: remove unused crypto_tfm_alg_modname() inline uwb.h: fix implicit use of asm/page.h for PAGE_SIZE pm_runtime.h: explicitly requires notifier.h linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h miscdevice.h: fix up implicit use of lists and types stop_machine.h: fix implicit use of smp.h for smp_processor_id of: fix implicit use of errno.h in include/linux/of.h of_platform.h: delete needless include <linux/module.h> acpi: remove module.h include from platform/aclinux.h miscdevice.h: delete unnecessary inclusion of module.h device_cgroup.h: delete needless include <linux/module.h> net: sch_generic remove redundant use of <linux/module.h> net: inet_timewait_sock doesnt need <linux/module.h> ... Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in - drivers/media/dvb/frontends/dibx000_common.c - drivers/media/video/{mt9m111.c,ov6650.c} - drivers/mfd/ab3550-core.c - include/linux/dmaengine.h
2011-11-02Merge branch 'for-linus' of git://github.com/richardweinberger/linuxLinus Torvalds1-0/+15
* 'for-linus' of git://github.com/richardweinberger/linux: (90 commits) um: fix ubd cow size um: Fix kmalloc argument order in um/vdso/vma.c um: switch to use of drivers/Kconfig UserModeLinux-HOWTO.txt: fix a typo UserModeLinux-HOWTO.txt: remove ^H characters um: we need sys/user.h only on i386 um: merge delay_{32,64}.c um: distribute exports to where exported stuff is defined um: kill system-um.h um: generic ftrace.h will do... um: segment.h is x86-only and needed only there um: asm/pda.h is not needed anymore um: hw_irq.h can go generic as well um: switch to generic-y um: clean Kconfig up a bit um: a couple of missing dependencies... um: kill useless argument of free_chan() and free_one_chan() um: unify ptrace_user.h um: unify KSTK_... um: fix gcov build breakage ...
2011-11-02um: clean Kconfig up a bitAl Viro1-0/+15
* kill duplicates with drivers/char/Kconfig * take watchdog one into drivers/watchdog/Kconfig * take mmapper to arch/um/Kconfig.um * rename Kconfig.char menu to "UML Character Devices" Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2011-11-01drivers/char: Add module.h to those who were using it implicitlyPaul Gortmaker1-0/+1
A pending cleanup will mean that module.h won't be implicitly everywhere anymore. Make sure the modular drivers in char are actually calling out for <module.h> explicitly in advance. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-10-10hw_random: add driver for atmel true hardware random number generatorPeter Korsgaard3-0/+172
For the IP block on 9g45/9g46/9m10/9m11. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Reviewed-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-07-28n2rng: Attach on Niagara-T3.David S. Miller2-13/+18
And stop referring to Victoria Falls, as the attribute we're talking about is whether the rng is multi-unit capable which applies to several chip variants now. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-26Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) fs: Merge split strings treewide: fix potentially dangerous trailing ';' in #defined values/expressions uwb: Fix misspelling of neighbourhood in comment net, netfilter: Remove redundant goto in ebt_ulog_packet trivial: don't touch files that are removed in the staging tree lib/vsprintf: replace link to Draft by final RFC number doc: Kconfig: `to be' -> `be' doc: Kconfig: Typo: square -> squared doc: Konfig: Documentation/power/{pm => apm-acpi}.txt drivers/net: static should be at beginning of declaration drivers/media: static should be at beginning of declaration drivers/i2c: static should be at beginning of declaration XTENSA: static should be at beginning of declaration SH: static should be at beginning of declaration MIPS: static should be at beginning of declaration ARM: static should be at beginning of declaration rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check Update my e-mail address PCIe ASPM: forcedly -> forcibly gma500: push through device driver tree ... Fix up trivial conflicts: - arch/arm/mach-ep93xx/dma-m2p.c (deleted) - drivers/gpio/gpio-ep93xx.c (renamed and context nearby) - drivers/net/r8169.c (just context changes)
2011-07-07Update my e-mail addressMichael Büsch1-1/+1
Signed-off-by: Michael Buesch <m@bues.ch> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-06-30hwrng: ppc4xx - add support for ppc4xx TRNGJosh Boyer3-0/+169
Various PowerPC 4xx SoCs contain a TRNG embedded in the Security function. This adds a device driver for that TRNG. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30hwrng: timeriomem - use resource_sizeH Hartley Sweeten1-2/+1
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30hwrng: nomadik - add missing clk_putJulia Lawall1-1/+2
Jump to the end of the function for the clk_disable and clk_put rather than returning directly. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression e1,e2; statement S; @@ e1 = clk_get@p1(...); ... when != e1 = e2 when != clk_put(e1) when any if (...) { ... when != clk_put(e1) when != if (...) { ... clk_put(e1) ... } * return@p3 ...; } else S // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30hwrng: omap - add missing clk_putJulia Lawall1-2/+4
Convert a return to a jump to an existing label that calls clk_put. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression e1,e2; statement S; @@ e1 = clk_get@p1(...); ... when != e1 = e2 when != clk_put(e1) when any if (...) { ... when != clk_put(e1) when != if (...) { ... clk_put(e1) ... } * return@p3 ...; } else S // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-05-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds2-1/+10
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (45 commits) crypto: caam - add support for sha512 variants of existing AEAD algorithms crypto: caam - remove unused authkeylen from caam_ctx crypto: caam - fix decryption shared vs. non-shared key setting crypto: caam - platform_bus_type migration crypto: aesni-intel - fix aesni build on i386 crypto: aesni-intel - Merge with fpu.ko crypto: mv_cesa - make count_sgs() null-pointer proof crypto: mv_cesa - copy remaining bytes to SRAM only when needed crypto: mv_cesa - move digest state initialisation to a better place crypto: mv_cesa - fill inner/outer IV fields only in HMAC case crypto: mv_cesa - refactor copy_src_to_buf() crypto: mv_cesa - no need to save digest state after the last chunk crypto: mv_cesa - print a warning when registration of AES algos fail crypto: mv_cesa - drop this call to mv_hash_final from mv_hash_finup crypto: mv_cesa - the descriptor pointer register needs to be set just once crypto: mv_cesa - use ablkcipher_request_cast instead of the manual container_of crypto: caam - fix printk recursion for long error texts crypto: caam - remove unused keylen from session context hwrng: amd - enable AMD hw rnd driver for Maple PPC boards hwrng: amd - manage resource allocation ...
2011-05-18drivercore: revert addition of of_match to struct deviceGrant Likely1-2/+5
Commit b826291c, "drivercore/dt: add a match table pointer to struct device" added an of_match pointer to struct device to cache the of_match_table entry discovered at driver match time. This was unsafe because matching is not an atomic operation with probing a driver. If two or more drivers are attempted to be matched to a driver at the same time, then the cached matching entry pointer could get overwritten. This patch reverts the of_match cache pointer and reworks all users to call of_match_device() directly instead. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-04hwrng: amd - enable AMD hw rnd driver for Maple PPC boardsDmitry Eremin-Solenikov1-1/+1
PPC 970FX Evaluation kit (Maple) boards bear AMD8111 southbridge. Allow this driver to be compiled in if PPC_MAPLE is selected. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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