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* crypto: marvell - Use an unique pool to copy results of requestsRomain Perier2016-10-214-24/+26
| | | | | | | | | | | | | So far, we used a dedicated dma pool to copy the result of outer IV for cipher requests. Instead of using a dma pool per outer data, we prefer use the op dma pool that contains all part of the request from the SRAM. Then, the outer data that is likely to be used by the 'complete' operation, is copied later. In this way, any type of result can be retrieved by DMA for cipher or ahash requests. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Fix Kconfig dependencies for FIPSAlec Ari2016-10-211-1/+1
| | | | | | | | | | | Currently FIPS depends on MODULE_SIG, even if MODULES is disabled. This change allows the enabling of FIPS without support for modules. If module loading support is enabled, only then does FIPS require MODULE_SIG. Signed-off-by: Alec Ari <neotheuser@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: atmel-aes - add support to the XTS modeCyrille Pitchen2016-10-212-6/+183
| | | | | | | | This patch adds the xts(aes) algorithm, which is supported from hardware version 0x500 and above (sama5d2x). Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: atmel-aes - fix compiler error when VERBOSE_DEBUG is definedCyrille Pitchen2016-10-211-1/+1
| | | | | | | | | | This patch fixes a compiler error when VERBOSE_DEBUG is defined. Indeed, in atmel_aes_write(), the 3rd argument of atmel_aes_reg_name() was missing. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Reported-by: Levent Demir <levent.demir@inria.fr> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* arm64: dts: marvell: add TRNG description for Armada 8K CPRomain Perier2016-10-212-0/+16
| | | | | | | | This commits adds the devicetree description of the SafeXcel IP-76 TRNG found in the two Armada CP110. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* hwrng: omap - Add device variant for SafeXcel IP-76 found in Armada 8KRomain Perier2016-10-212-3/+85
| | | | | | | | | This commits adds a device variant for Safexcel,EIP76 found in Marvell Armada 8k. It defines registers mapping with the good offset and add a specific initialization function. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* hwrng: omap - Don't prefix the probe message with OMAPRomain Perier2016-10-211-1/+1
| | | | | | | | | | | | | So far, this driver was only used for OMAP SoCs. However, if a device variant is added for an IP block that has nothing to do with the OMAP platform, the message "OMAP Random Number Generator Ver" is displayed anyway. Instead of hardcoding "OMAP" into this message, we decide to only display "Random Number Generator". As dev_info is already pre-pending the message with the name of the device, we have enough informations. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* hwrng: omap - Add support for 128-bit output of dataRomain Perier2016-10-211-6/+8
| | | | | | | | | | | | So far, this driver only supports up to 64 bits of output data generated by an RNG. Some IP blocks, like the SafeXcel IP-76 supports up to 128 bits of output data. This commits renames registers descriptions OUTPUT_L_REG and OUTPUT_H_REG to OUTPUT_0_REG and OUPUT_1_REG, respectively. It also adds two new values to the enumeration of existing registers: OUTPUT_2_REG and OUTPUT_3_REG. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* hwrng: omap - Remove global definition of hwrngRomain Perier2016-10-211-9/+14
| | | | | | | | | | | | | The omap-rng driver currently assumes that there will only ever be a single instance of an RNG device. For this reason, there is a statically allocated struct hwrng, with a fixed name. However, registering two struct hwrng with the same isn't accepted by the RNG framework, so we need to switch to a dynamically allocated struct hwrng, each using a different name. Then, we define the name of this hwrng to "dev_name(dev)", so the name of the data structure is unique per device. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* hwrng: omap - Switch to non-obsolete read API implementationRomain Perier2016-10-211-24/+17
| | | | | | | | | | | | | | The ".data_present" and ".data_read" operations are marked as OBSOLETE in the hwrng API. We have to use the ".read" operation instead. It makes the driver simpler and moves the busy loop, that waits until enough data is generated, to the read function. We simplify this step by only checking the status of the engine, if there is data, we copy the data to the output buffer and the amout of copied data is returned to the caller, otherwise zero is returned. The hwrng core will re-call the read operation as many times as required until enough data has been copied. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* dt-bindings: omap-rng: Document SafeXcel IP-76 device variantRomain Perier2016-10-211-2/+12
| | | | | | | | | This commits add missing fields in the documentation that are used by the new device variant. It also includes DT example to show how the variant should be used. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* dt-bindings: Add vendor prefix for INSIDE SecureRomain Perier2016-10-211-0/+1
| | | | | | | | This commits adds a vendor for the company INSIDE Secure. See https://www.insidesecure.com, for more details. Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* hwrng: core - Don't use a stack buffer in add_early_randomness()Andrew Lutomirski2016-10-191-3/+3
| | | | | | | | | | | | hw_random carefully avoids using a stack buffer except in add_early_randomness(). This causes a crash in virtio_rng if CONFIG_VMAP_STACK=y. Reported-by: Matt Mullins <mmullins@mmlx.us> Tested-by: Matt Mullins <mmullins@mmlx.us> Fixes: d3cc7996473a ("hwrng: fetch randomness only after device init") Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Linux 4.9-rc1v4.9-rc1Linus Torvalds2016-10-151-2/+2
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* Merge tag 'befs-v4.9-rc1' of git://github.com/luisbg/linux-befsLinus Torvalds2016-10-158-283/+244
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull befs fixes from Luis de Bethencourt: "I recently took maintainership of the befs file system [0]. This is the first time I send you a git pull request, so please let me know if all the below is OK. Salah Triki and myself have been cleaning the code and fixing a few small bugs. Sorry I couldn't send this sooner in the merge window, I was waiting to have my GPG key signed by kernel members at ELCE in Berlin a few days ago." [0] https://lkml.org/lkml/2016/7/27/502 * tag 'befs-v4.9-rc1' of git://github.com/luisbg/linux-befs: (39 commits) befs: befs: fix style issues in datastream.c befs: improve documentation in datastream.c befs: fix typos in datastream.c befs: fix typos in btree.c befs: fix style issues in super.c befs: fix comment style befs: add check for ag_shift in superblock befs: dump inode_size superblock information befs: remove unnecessary initialization befs: fix typo in befs_sb_info befs: add flags field to validate superblock state befs: fix typo in befs_find_key befs: remove unused BEFS_BT_PARMATCH fs: befs: remove ret variable fs: befs: remove in vain variable assignment fs: befs: remove unnecessary *befs_sb variable fs: befs: remove useless initialization to zero fs: befs: remove in vain variable assignment fs: befs: Insert NULL inode to dentry fs: befs: Remove useless calls to brelse in befs_find_brun_dblindirect ...
| * befs: befs: fix style issues in datastream.cLuis de Bethencourt2016-10-081-15/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixing the following checkpatch.pl errors: ERROR: "foo * bar" should be "foo *bar" + befs_blocknr_t blockno, befs_block_run * run); WARNING: Missing a blank line after declarations + struct buffer_head *bh; + befs_debug(sb, "---> %s length: %llu", __func__, len); WARNING: Block comments use * on subsequent lines + /* + Double indir block, plus all the indirect blocks it maps. (and other instances of these) Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: improve documentation in datastream.cLuis de Bethencourt2016-10-081-95/+98
| | | | | | | | | | | | | | Convert function descriptions to kernel-doc style. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: fix typos in datastream.cLuis de Bethencourt2016-10-081-4/+4
| | | | | | | | | | Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: fix typos in btree.cLuis de Bethencourt2016-10-081-4/+3
| | | | | | | | | | | | | | Fixing typos in kernel-doc function descriptions in fs/befs/btree.c. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: fix style issues in super.cLuis de Bethencourt2016-10-081-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixing the following checkpatch.pl error: ERROR: "foo * bar" should be "foo *bar" +befs_load_sb(struct super_block *sb, befs_super_block * disk_sb) And the following warnings: WARNING: suspect code indent for conditional statements (8, 12) + if (disk_sb->fs_byte_order == BEFS_BYTEORDER_NATIVE_LE) + befs_sb->byte_order = BEFS_BYTESEX_LE; WARNING: suspect code indent for conditional statements (8, 12) + else if (disk_sb->fs_byte_order == BEFS_BYTEORDER_NATIVE_BE) + befs_sb->byte_order = BEFS_BYTESEX_BE; WARNING: break quoted strings at a space character + befs_error(sb, "blocksize(%u) cannot be larger" + "than system pagesize(%lu)", befs_sb->block_size, WARNING: line over 80 characters + if (befs_sb->log_start != befs_sb->log_end || befs_sb->flags == BEFS_DIRTY) { Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: fix comment styleLuis de Bethencourt2016-10-081-7/+3
| | | | | | | | | | | | | | | | | | | | | | The description of befs_load_sb was confusing the kernel-doc system since, because it starts with /**, it thinks it will document the function with kernel-doc formatting. Which it isn't. Fix other comment style issues in the file while we are at it. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: add check for ag_shift in superblockLuis de Bethencourt2016-10-081-0/+7
| | | | | | | | | | | | | | | | | | | | | | ag_shift and blocks_per_ag contain the same information in different ways, same as block_shift and block_size do. It is worth checking this two are consistent, but since blocks_per_ag isn't documented as mandatory to use some implementations of befs don't enforce this, so making it non-fatal if they don't match and just having it as a warning. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: dump inode_size superblock informationLuis de Bethencourt2016-10-081-0/+1
| | | | | | | | | | | | | | | | | | befs_dump_super_block() wasn't giving the inode_size information when dumping all elements of the superblock. Add this element to have complete information of the superblock. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: remove unnecessary initializationSalah Triki2016-10-081-1/+1
| | | | | | | | | | | | | | | | There is no need to init block, since it will be overwitten later by iaddr2blockno(). Signed-off-by: Salah Triki <salah.triki@gmail.com> Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: fix typo in befs_sb_infoSalah Triki2016-10-081-1/+1
| | | | | | | | | | | | | | Fixing jornal to Journal. Signed-off-by: Salah Triki <salah.triki@gmail.com> Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: add flags field to validate superblock stateSalah Triki2016-10-082-1/+6
| | | | | | | | | | | | | | | | For validating superblock state, add flags field to befs_sb_info, read the state from the disk and check if it is equal to BEFS_DIRTY. Signed-off-by: Salah Triki <salah.triki@gmail.com> Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: fix typo in befs_find_keyLuis de Bethencourt2016-10-081-1/+1
| | | | | | | | | | | | | | Fixing skeep to skip. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * befs: remove unused BEFS_BT_PARMATCHLuis de Bethencourt2016-10-082-19/+16
| | | | | | | | | | | | | | | | | | | | befs_btree_find(), the only caller of befs_find_key(), only cares about if the return from that function is BEFS_BT_MATCH or not. It never uses the partial match given with BEFS_BT_PARMATCH. Make the overflow return clearer by having BEFS_BT_OVERFLOW instead of BEFS_BT_PARMATCH. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Salah Triki <salah.triki@gmail.com>
| * fs: befs: remove ret variableSalah Triki2016-10-081-2/+1
| | | | | | | | | | | | | | | | ret is initialized to -EIO and is never modified, so remove ret and use -EIO directly. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: remove in vain variable assignmentSalah Triki2016-10-081-1/+1
| | | | | | | | | | | | | | | | There is no need to init res, since it will be overwitten later by befs_fblock2brun(). Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: remove unnecessary *befs_sb variableSalah Triki2016-10-081-2/+1
| | | | | | | | | | | | | | | | Remove *befs_sb and just call BEFS_SB(sb) directly, since the returned value by this function is only used once. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: remove useless initialization to zeroSalah Triki2016-10-081-1/+1
| | | | | | | | | | | | | | | | node_off is unconditionally set to bt_super.root_node_ptr, so no need to init it to zero. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: remove in vain variable assignmentSalah Triki2016-10-081-2/+0
| | | | | | | | | | | | | | There is no need to set *value, it will be overwritten later. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: Insert NULL inode to dentrySalah Triki2016-10-081-0/+1
| | | | | | | | | | | | | | | | As VFS expects, lookup inserts NULL inode to dentry when the named inode does not exist. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: Remove useless calls to brelse in befs_find_brun_dblindirectSalah Triki2016-10-081-2/+0
| | | | | | | | | | | | | | | | The calls to brelse are useless since dbl_indir_block and indir_block are NULL. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: Coding style fixSalah Triki2016-10-081-3/+3
| | | | | | | | | | | | | | Constant has to be capitalized. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: Remove redundant validation from befs_find_brun_directSalah Triki2016-10-081-8/+0
| | | | | | | | | | | | | | | | | | The only caller of befs_find_brun_direct is befs_fblock2brun, which already validates that the block is within the range of direct blocks. So remove the duplicate validation. Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: fix typo in befs_bt_read_node documentationLuis de Bethencourt2016-10-081-2/+2
| | | | | | | | | | | | Fixing a grammatical error in the documentation. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: in memory free_node_ptr and max_size never readLuis de Bethencourt2016-10-081-2/+0
| | | | | | | | | | | | | | | | The only place the values of free_node_ptr and max_size are read is in befs_dump_index_entry(), which both times it is called, it is passed the on disk superblock. Removing assignment of unused values. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: make consistent use of befs_error()Luis de Bethencourt2016-10-083-4/+9
| | | | | | | | | | | | | | | | | | | | | | | | befs_error() is used in potential errors that could happen in befs to provide informational log messages. befs_debug() is silent when CONFIG_BEFS_DEBUG=no, and very verbose when switched on, which is why it is used for general debugging but not for errors. Fix a few cases where the befs debug utility usage isn't following the expected pattern. To make sure we have consistent information in the logs. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: use simpler while loopLuis de Bethencourt2016-10-081-36/+38
| | | | | | | | | | | | Replace goto with simpler while loop to make befs_readdir() more readable. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * befs: remove constant variableLuis de Bethencourt2016-10-081-5/+2
| | | | | | | | | | | | | | Use macro directly instead of via assigning it to an unchanging variable. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Acked-by: Salah Triki <salah.triki@gmail.com>
| * befs: avoid dereferencing dentry twiceLuis de Bethencourt2016-10-081-1/+1
| | | | | | | | | | | | | | No need to dereference dentry twice to get the name when we already have it stored in a local variable. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: remove comment that confuses kernel-docLuis de Bethencourt2016-10-081-4/+0
| | | | | | | | | | | | | | | | This comment with a mysterious unfinished line confuses the kernel-doc system since, because it starts with /**, it thinks it is documenting a function. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| * fs: befs: check silent flag before logging errorLuis de Bethencourt2016-10-081-1/+2
| | | | | | | | | | | | | | | | Log error only when silent flag is not set. Fixes: dbe6460388bc ("fs/befs/linuxvfs.c: check silent flag before logging errors") Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Acked-by: Salah Triki <salah.triki@gmail.com>
| * fs: befs: replace befs_bread by sb_breadSalah Triki2016-10-084-30/+4
| | | | | | | | | | | | | | | | | | Since befs_bread merely calls sb_bread, replace it by sb_bread. Link: http://lkml.kernel.org/r/1466800258-4542-1-git-send-email-salah.triki@gmail.com Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| * befs: remove unused functionsLuis de Bethencourt2016-10-081-12/+0
| | | | | | | | | | | | | | | | befs_iaddr_is_empty() and befs_brun_size() are unused. Remove them. Link: http://lkml.kernel.org/r/1465700235-22881-3-git-send-email-luisbg@osg.samsung.com Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| * befs: fix function name in documentationLuis de Bethencourt2016-10-081-1/+1
| | | | | | | | | | | | | | | | | | Documentation of function befs_load_cb() lists it as load_befs_sb(). Fix the misnomer. Link: http://lkml.kernel.org/r/1465700235-22881-2-git-send-email-luisbg@osg.samsung.com Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| * befs: check return of sb_min_blocksizeLuis de Bethencourt2016-10-081-1/+6
| | | | | | | | | | | | | | | | Confirm sb_min_blocksize() succeeded before continuing. Link: http://lkml.kernel.org/r/1465700235-22881-1-git-send-email-luisbg@osg.samsung.com Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| * fs: befs: remove useless pr_err in befs_init_inodecache()Salah Triki2016-10-081-4/+2
| | | | | | | | | | | | | | Remove pr_err since kmem_cache_create log error and dump stack. Link: http://lkml.kernel.org/r/e6d03cbc9542495dc6174b59e32fcd41c1393cfc.1464226521.git.salah.triki@acm.org Signed-off-by: Salah Triki <salah.triki@acm.org>
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