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2014-09-27block: Make protection interval calculation genericMartin K. Petersen
Now that the protection interval has been detached from the sector size we need to be able to handle sizes that are different from 4K and 512. Make the interval calculation generic. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-09-27block: Deprecate the use of the term sector in the context of block integrityMartin K. Petersen
The protection interval is not necessarily tied to the logical block size of a block device. Stop using the terms "sector" and "sectors". Going forward we will use the term "seed" to describe the initial reference tag value for a given I/O. "Interval" will be used to describe the portion of the data buffer that a given piece of protection information is associated with. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-09-27block: Remove bip_bufMartin K. Petersen
bip_buf is not really needed so we can remove it. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-09-27block: Remove integrity tagging functionsMartin K. Petersen
None of the filesystems appear interested in using the integrity tagging feature. Potentially because very few storage devices actually permit using the application tag space. Remove the tagging functions. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-09-27block: Replace bi_integrity with bi_specialMartin K. Petersen
For commands like REQ_COPY we need a way to pass extra information along with each bio. Like integrity metadata this information must be available at the bottom of the stack so bi_private does not suffice. Rename the existing bi_integrity field to bi_special and make it a union so we can have different bio extensions for each class of command. We previously used bi_integrity != NULL as a way to identify whether a bio had integrity metadata or not. Introduce a REQ_INTEGRITY to be the indicator now that bi_special can contain different things. In addition, bio_integrity(bio) will now return a pointer to the integrity payload (when applicable). Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-09-27block: Get rid of bdev_integrity_enabled()Martin K. Petersen
bdev_integrity_enabled() is only used by bio_integrity_enabled(). Combine these two functions. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-09-27regmap: fix NULL pointer dereference in _regmap_write/readPankaj Dubey
If LOG_DEVICE is defined and map->dev is NULL it will lead to NULL pointer dereference. This patch fixes this issue by adding check for dev->NULL in all such places in regmap.c Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
2014-09-27ASoC: ssm4567: Add driver for Analog Devices SSM4567 amplifierAnatol Pomozov
Analog Devices SSM4567 is a boost class-D audio amplifier. Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-27Merge tag 'kvm-arm-for-3.18' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next Changes for KVM for arm/arm64 for 3.18 This includes a bunch of changes: - Support read-only memory slots on arm/arm64 - Various changes to fix Sparse warnings - Correctly detect write vs. read Stage-2 faults - Various VGIC cleanups and fixes - Dynamic VGIC data strcuture sizing - Fix SGI set_clear_pend offset bug - Fix VTTBR_BADDR Mask - Correctly report the FSC on Stage-2 faults Conflicts: virt/kvm/eventfd.c [duplicate, different patch where the kvm-arm version broke x86. The kvm tree instead has the right one]
2014-09-27Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: o Restore "--callchain graph" output, broken in recent cset to end up being the same as "fractal" (Namhyung Kim) o Allow profiling when kptr_restrict == 1 for non root users, kernel samples will just remain unresolved (Andi Kleen) o Allow configuring default options for callchains in config file (Namhyung Kim) o Fix line number in the config file error message (Jiri Olsa) o Fix --per-core on multi socket systems (Andi Kleen) Cleanups: o Use ACCESS_ONCE() instead of volatile cast. (Pranith Kumar) o Modify error code for when perf_session__new() fails (Taeung Song) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-09-27clk: sunxi: Add sun8i MBUS clock supportChen-Yu Tsai
The MBUS clock on sun8i is slightly different from the old mod0 clocks. The divider is 3 bits wider, while also needing a divider table for the higher 4 values, which all set the same divider. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2014-09-27clk: sunxi: mod0: Introduce MMC proper phase handlingMaxime Ripard
The MMC clock we thought we had until now are actually not one but three different clocks. The main one is unchanged, and will have three outputs: - The clock fed into the MMC - a sample and output clocks, to deal with when should we output/sample data to/from the MMC bus The phase control we had are actually controlling the two latter clocks, but the main MMC one is unchanged. We can adjust the phase with a 3 bits value, from 0 to 7, 0 meaning a 180 phase shift, and the other values being the number of periods from the MMC parent clock to outphase the clock of. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: sunxi: Move mbus to mod0 fileMaxime Ripard
Move the MBUS clock to the module clocks file. It's pretty trivial, but still requires to enable the clocks to make sure it won't get disabled. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: sunxi: Move mod0 clock to a file of its ownMaxime Ripard
Since we know have the ability to declare factors clock outside of clk-sunxi, create a new mod0 driver to deal with the mod0 clocks. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27ARM: sunxi: dt: Switch to the new mbus compatibleMaxime Ripard
Now that we have a compatible of its own for the mbus clock, switch to it. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: sunxi: Introduce mbus compatibleMaxime Ripard
Even though the mbus clock is a regular module clock, given its nature, it needs to be enabled all the time. Introduce a new compatible, to differentiate it from the other module clocks. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: sunxi: factors: Invert the probing logicMaxime Ripard
Until now, the factors clock probing was done directly by sunxi_init_clocks, with the factors registration being called directly with the clocks data passed as an argument. This approch has shown its limits when we added more clocks, since we couldn't really split code with such a logic in smaller files, and led to a huge file having all the clocks. Introduce an intermediate probing function, so that factor clocks will be able to directly be called by CLK_OF_DECLARE, which will in turn ease the split into several files. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: Add a function to retrieve phaseMaxime Ripard
The current phase API doesn't look into the actual hardware to get the phase value, but will rather get it from a variable only set by the set_phase function. This will cause issue when the client driver will never call the set_phase function, where we can end up having a reported phase that will not match what the hardware has been programmed to by the bootloader or what phase is programmed out of reset. Add a new get_phase function for the drivers to implement so that we can get this value. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: Include of.h in clock-provider.hMaxime Ripard
CLK_OF_DECLARE relies on OF_DECLARE_1 that is defined in of.h. Fixes build errors when one use CLK_OF_DECLARE but doesn't include of.h Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-27clk: introduce clk_set_phase function & callbackMike Turquette
A common operation for a clock signal generator is to shift the phase of that signal. This patch introduces a new function to the clk.h API to dynamically adjust the phase of a clock signal. Additionally this patch introduces support for the new function in the common clock framework via the .set_phase call back in struct clk_ops. Signed-off-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Hans de Goede <hdegoede@redhat.com>
2014-09-26fold unlocking the children into dentry_unlock_parents_for_move()Al Viro
... renaming it into dentry_unlock_for_move() and making it more symmetric with dentry_lock_for_move(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26kill __d_materialise_dentry()Al Viro
it folds into __d_move() now Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26__d_materialise_dentry(): flip the order of argumentsAl Viro
... thus making it much closer to (now unreachable, BTW) IS_ROOT(dentry) case in __d_move(). A bit more and it'll fold in. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26sparc64: Fix hibernation code refrence to PAGE_OFFSET.David S. Miller
We changed PAGE_OFFSET to be a variable rather than a constant, but this reference here in the hibernate assembler got missed. Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-26__d_move(): fold manipulations with ->d_child/->d_subdirsAl Viro
list_del() + list_add() is a slightly pessimised list_move() list_del() + INIT_LIST_HEAD() is a slightly pessimised list_del_init() Interleaving those makes the resulting code even worse. And harder to follow... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26don't open-code d_rehash() in d_materialise_unique()Al Viro
... and get rid of duplicate BUG_ON() there Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26pull rehashing and unlocking the target dentry into __d_materialise_dentry()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26ufs: deal with nfsd/iget racesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26fuse: honour max_read and max_write in direct_io modeMiklos Szeredi
The third argument of fuse_get_user_pages() "nbytesp" refers to the number of bytes a caller asked to pack into fuse request. This value may be lesser than capacity of fuse request or iov_iter. So fuse_get_user_pages() must ensure that *nbytesp won't grow. Now, when helper iov_iter_get_pages() performs all hard work of extracting pages from iov_iter, it can be done by passing properly calculated "maxsize" to the helper. The other caller of iov_iter_get_pages() (dio_refill_pages()) doesn't need this capability, so pass LONG_MAX as the maxsize argument here. Fixes: c9c37e2e6378 ("fuse: switch to iov_iter_get_pages()") Reported-by: Werner Baumann <werner.baumann@onlinehome.de> Tested-by: Maxim Patlasov <mpatlasov@parallels.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26shmem: fix nlink for rename overwrite directoryMiklos Szeredi
If overwriting an empty directory with rename, then need to drop the extra nlink. Test prog: #include <stdio.h> #include <fcntl.h> #include <err.h> #include <sys/stat.h> int main(void) { const char *test_dir1 = "test-dir1"; const char *test_dir2 = "test-dir2"; int res; int fd; struct stat statbuf; res = mkdir(test_dir1, 0777); if (res == -1) err(1, "mkdir(\"%s\")", test_dir1); res = mkdir(test_dir2, 0777); if (res == -1) err(1, "mkdir(\"%s\")", test_dir2); fd = open(test_dir2, O_RDONLY); if (fd == -1) err(1, "open(\"%s\")", test_dir2); res = rename(test_dir1, test_dir2); if (res == -1) err(1, "rename(\"%s\", \"%s\")", test_dir1, test_dir2); res = fstat(fd, &statbuf); if (res == -1) err(1, "fstat(%i)", fd); if (statbuf.st_nlink != 0) { fprintf(stderr, "nlink is %lu, should be 0\n", statbuf.st_nlink); return 1; } return 0; } Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-09-26Merge tag 'clk-mvebu-3.18' of git://git.infradead.org/linux-mvebu into clk-nextMike Turquette
clock changes for mvebu for v3.18 - correct timer drift caused by SSCG deviation - fix typo in comment
2014-09-26clk: add gpio gated clockJyri Sarha
The added gpio-gate-clock is a basic clock that can be enabled and disabled trough a gpio output. The DT binding document for the clock is also added. For EPROBE_DEFER handling the registering of the clock has to be delayed until of_clk_get() call time. Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-09-26Merge tag 'qcom-clocks-for-3.18' of ↵Mike Turquette
git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into clk-next qcom clock changes for 3.18 Some fixes for the IPQ driver and some code consolidation and refactoring.
2014-09-26Merge tag 'tegra-clk-3.18' of ↵Mike Turquette
git://nv-tegra.nvidia.com/user/pdeschrijver/linux into clk-next Tegra clk updates for 3.18
2014-09-26rtlwifi: Fix problems with building an allyesconfigLarry Finger
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: rtl8821ae: Move driver from staging to regular treeLarry Finger
This driver was entered into staging a few cycles ago because there was not time to integrate the Realtek version into the support routines in the kernel. Now that there is an effort to converg the code base from Linux and the Realtek repo, it is time to move this driver. In addition, all the updates included in the 06/28/2014 version of the Realtek drivers are included here. With this change, it will be necessary to delete the staging driver. That will be handled in a separate patch. As it impacts the staging tree, such a patch is sent to a different destination. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: rtl8188ee: Update driver to match Realtek release of 06282014Larry Finger
Not only does this patch update the driver to match the latest Realtek release, it is an important step in getting the internal code source at Realtek to match the code in the kernel. The primary reason for this is to make it easier for Realtek to maintain the kernel source without requiring an intermediate like me. In this process of merging the two source repositories, there are a lot of changes in both, and this commit is rather large. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: Finish modifying core routines for new driversLarry Finger
Addition of the new drivers and the update to a new version for the others lead to changes in all the core routines. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: Update power-save routines for 062814 driverLarry Finger
Realtek released a new version of the drivers on 06/28/2014. This patch implements the new power-save code. These changes also force corresponding changes in the drivers. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: Modify cam.{c,h} and efuse.{c,h} for new driversLarry Finger
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: Modify base.{c,h} for new driversLarry Finger
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: Modify core.c for new driversLarry Finger
Each of the routines in the rtlwifi common driver needs to be modified for the coming changes. This patch prepares core.c, but also touches other files. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: rtl_pci: Start modification for new driversLarry Finger
Future patches will move the drivers for RTL8192EE and RTL8821AE from staging to the regular wireless tree. Here, the necessary features are added to the PCI driver. Other files are touched due to changes in the various data structs. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: Remove extra workqueue for enter/leave power stateLarry Finger
When the rtlwifi family of drivers was converted to use a workqueue when entering or leaving power save mode (commits a269913c52, a5ffbe0a19, 41affd5286, b9116b9a2b, and 6539306b2c), the code began scheduling work from the callback routine of a different workqueue with a resulting increase in overhead. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rtlwifi: btcoexist: Fix Smatch warningLarry Finger
The capability for 802.11ac will soon be added to these drivers. Once that is done, a bitmask will be too large for the data storage. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26ip6gre: add a rtnl link alias for ip6gretapNicolas Dichtel
With this alias, we don't need to load manually the module before adding an ip6gretap interface with iproute2. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-26ath9k: Fix offchannel queuingSujith Manoharan
Clearing IEEE80211_TX_CTL_PS_RESPONSE in a frame that is not in the current context doesn't seem right. Instead make sure that we don't add such frames to the UAPSD queue by using a local variable. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26ath9k: Use normal queues for offchannel framesSujith Manoharan
There is no reason why frames marked with IEEE80211_TX_CTL_TX_OFFCHAN have to be sent using the UAPSD queue. Since mac80211 makes sure that RoC is done before pushing an offchannel frame to the driver, we can use the normal TX queues for transmission. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26ath9k: Fix queue managementSujith Manoharan
Since we use IEEE80211_HW_QUEUE_CONTROL now, the CAB/Offchannel queues are registered as the last two queues. There is no need to check and reassign the queues in the TX start()/done() routines. CAB frames will not reach the tx() callback since we set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING and pull the buffered frames during beacon transmission. We also don't have a special HW queue for handling off-channel frames. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-26rt2800: correct BBP1_TX_POWER_CTRL maskStanislaw Gruszka
Two bits control TX power on BBP_R1 register. Correct the mask, otherwise we clear additional bit on BBP_R1 register, what can have unknown, possible negative effect. Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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