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2017-09-09Merge branch 'for-4.14' of ↵Linus Torvalds40-1540/+1702
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs updates from David Sterba: "The changes range through all types: cleanups, core chagnes, sanity checks, fixes, other user visible changes, detailed list below: - deprecated: user transaction ioctl - mount option ssd does not change allocation alignments - degraded read-write mount is allowed if all the raid profile constraints are met, now based on more accurate check - defrag: do not reset compression afterwards; the NOCOMPRESS flag can be now overriden by defrag - prep work for better extent reference tracking (related to the qgroup slowness with balance) - prep work for compression heuristics - memory allocation reductions (may help latencies on a loaded system) - better accounting for io waiting states - error handling improvements (removed BUGs) - added more sanity checks for shared refs - fix readdir vs pagefault deadlock under some circumstances - fix for 'no-hole' mode, certain combination of compressed and inline extents - send: fix emission of invalid clone operations - fixup file mode if setting acls fail - more fixes from fuzzing - oher cleanups" * 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (104 commits) btrfs: submit superblock io with REQ_META and REQ_PRIO btrfs: remove unnecessary memory barrier in btrfs_direct_IO btrfs: remove superfluous chunk_tree argument from btrfs_alloc_dev_extent btrfs: Remove chunk_objectid parameter of btrfs_alloc_dev_extent btrfs: pass fs_info to btrfs_del_root instead of tree_root Btrfs: add one more sanity check for shared ref type Btrfs: remove BUG_ON in __add_tree_block Btrfs: remove BUG() in add_data_reference Btrfs: remove BUG() in print_extent_item Btrfs: remove BUG() in btrfs_extent_inline_ref_size Btrfs: convert to use btrfs_get_extent_inline_ref_type Btrfs: add a helper to retrive extent inline ref type btrfs: scrub: simplify scrub worker initialization btrfs: scrub: clean up division in scrub_find_csum btrfs: scrub: clean up division in __scrub_mark_bitmap btrfs: scrub: use bool for flush_all_writes btrfs: preserve i_mode if __btrfs_set_acl() fails btrfs: Remove extraneous chunk_objectid variable btrfs: Remove chunk_objectid argument from btrfs_make_block_group btrfs: Remove extra parentheses from condition in copy_items() ...
2017-09-09Merge branch 'for-4.14/block-postmerge' of git://git.kernel.dk/linux-blockLinus Torvalds35-817/+1143
Pull followup block layer updates from Jens Axboe: "I ended up splitting the main pull request for this series into two, mainly because of clashes between NVMe fixes that went into 4.13 after the for-4.14 branches were split off. This pull request is mostly NVMe, but not exclusively. In detail, it contains: - Two pull request for NVMe changes from Christoph. Nothing new on the feature front, basically just fixes all over the map for the core bits, transport, rdma, etc. - Series from Bart, cleaning up various bits in the BFQ scheduler. - Series of bcache fixes, which has been lingering for a release or two. Coly sent this in, but patches from various people in this area. - Set of patches for BFQ from Paolo himself, updating both documentation and fixing some corner cases in performance. - Series from Omar, attempting to now get the 4k loop support correct. Our confidence level is higher this time. - Series from Shaohua for loop as well, improving O_DIRECT performance and fixing a use-after-free" * 'for-4.14/block-postmerge' of git://git.kernel.dk/linux-block: (74 commits) bcache: initialize dirty stripes in flash_dev_run() loop: set physical block size to logical block size bcache: fix bch_hprint crash and improve output bcache: Update continue_at() documentation bcache: silence static checker warning bcache: fix for gc and write-back race bcache: increase the number of open buckets bcache: Correct return value for sysfs attach errors bcache: correct cache_dirty_target in __update_writeback_rate() bcache: gc does not work when triggering by manual command bcache: Don't reinvent the wheel but use existing llist API bcache: do not subtract sectors_to_gc for bypassed IO bcache: fix sequential large write IO bypass bcache: Fix leak of bdev reference block/loop: remove unused field block/loop: fix use after free bfq: Use icq_to_bic() consistently bfq: Suppress compiler warnings about comparisons bfq: Check kstrtoul() return value bfq: Declare local functions static ...
2017-09-09NFS: Don't hold the group lock when calling nfs_release_request()Trond Myklebust1-1/+1
That can deadlock if this is the last reference since nfs_page_group_destroy() calls nfs_page_group_sync_on_bit(). Note that even if the page was removed from the subpage list, the req->wb_head could still be pointing to the old head. Signed-off-by: Trond Myklebust <[email protected]>
2017-09-09watchdog: mei_wdt: constify mei_cl_device_idArvind Yadav1-1/+1
mei_cl_device_id are not supposed to change at runtime. All functions working with mei_cl_device_id provided by <linux/mei_cl_bus.h> work with const mei_cl_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: sp805: constify amba_idArvind Yadav1-1/+1
amba_id are not supposed to change at runtime. All functions working with const amba_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: ziirave: constify i2c_device_idArvind Yadav1-1/+1
i2c_device_id are not supposed to change at runtime. All functions working with i2c_device_id provided by <linux/i2c.h> work with const i2c_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: sc1200: constify pnp_device_idArvind Yadav1-1/+1
pnp_device_id are not supposed to change at runtime. All functions working with pnp_device_id provided by <linux/pnp.h> work with const pnp_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09dt-bindings: watchdog: renesas-wdt: Add support for the r8a77995 wdtGeert Uytterhoeven1-0/+1
Document support for the Watchdog Timer (WDT) Controller in the Renesas R-Car D3 (r8a77995) SoC. No driver update is needed. Signed-off-by: Geert Uytterhoeven <[email protected]> Acked-by: Simon Horman <[email protected]> Acked-by: Rob Herring <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: update copyright datesWolfram Sang1-2/+2
Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: make 'clk' a variable local to probe()Wolfram Sang1-5/+5
It is not needed outside probe() anymore. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: consistently use RuntimePM for clock managementWolfram Sang1-14/+19
On Renesas R-Car archs, RuntimePM does all the clock handling. So, use it consistently to enable/disable the clocks. Also make sure that clocks are really enabled around clk_get_rate(). clk_summary looks proper now: clock enable_cnt prepare_cnt rate ... Before this commit: At boot: rwdt 1 1 32768 0 0 WDT running: rwdt 2 2 32768 0 0 After this commit: At boot: rwdt 0 1 32768 0 0 WDT running rwdt 1 1 32768 0 0 Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: aspeed: Support configuration of external signal propertiesAndrew Jeffery1-3/+102
Add support for configuring the drive strength and polarity on the AST2500, and the pulse duration on both the AST2400 and AST2500. Signed-off-by: Andrew Jeffery <[email protected]> Tested-by: Matt Spinler <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09dt-bindings: watchdog: aspeed: External reset signal propertiesAndrew Jeffery1-1/+9
For the AST2500 and compatible watchdog controllers the external reset signal can be configured for push-pull or open-drain drive types, and in the case of push-pull driving, active low or high. Signed-off-by: Andrew Jeffery <[email protected]> Acked-by: Rob Herring <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09drivers/watchdog: Add optional ASPEED device tree propertiesChristopher Bostic1-0/+32
Describe device tree optional properties: * aspeed,reset-type = "cpu|soc|system|none" One of three different, mutually exclusive, values "cpu" : ARM CPU reset on signal "soc" : 'System on chip' reset "system" : Full system reset The value can also be set to "none" which indicates that no reset of any kind is to be done via this watchdog. This assumes another watchdog on the chip is to take care of resets. * aspeed,external-signal - Generate external signal (WDT1 and WDT2 only) * aspeed,alt-boot - Boot from alternate block on signal Signed-off-by: Christopher Bostic <[email protected]> Acked-by: Rob Herring <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09drivers/watchdog: ASPEED reference dev tree properties for configChristopher Bostic1-5/+24
Reference the system device tree when configuring the watchdog engines. If property 'aspeed,reset_type' is present then set reset behavior based on the specified value. This can be one of three different mutually exclusive values * cpu - Reset CPU only on watchdog timeout * soc - Reset System on Chip * system - Full system reset No reset can also be specified by indicating: * none - No reset, assumes another watchdog is responsible for this. Add optional property 'aspeed,external-signal'. If present then configure to generate external signal on watchdog timeout. Signed-off-by: Christopher Bostic <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: da9063_wdt: Simplify by removing unneeded struct...[email protected]1-37/+30
...da9063_watchdog, which contained nothing but struct watchdog_device and a struct da9063 pointer. Assign the struct da9063 pointer directly to the struct watchdog_device's driver_data field instead of creating struct da9063_watchdog and assigning it's address there. Spares a pointer's size data memory and an indirection level in the callbacks. Signed-off-by: Karsten Wiese <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: bcm7038: Check the return value from clk_prepare_enable()Fabio Estevam1-1/+3
clk_prepare_enable() may fail, so we should better check its return value and propagate it in the case of error. Signed-off-by: Fabio Estevam <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: qcom: Check for platform_get_resource() failureFabio Estevam1-0/+2
platform_get_resource() may fail, so we should better check its return value and propagate an error in case it fails. This avoids a NULL pointer dereference a bit later in the code. Signed-off-by: Fabio Estevam <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: of_xilinx_wdt: Add suspend/resume supportMichal Simek1-0/+38
Add suspend/resume support to driver. Signed-off-by: Michal Simek <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: of_xilinx_wdt: Add support for reading freq via CCFMaulik Jodhani1-13/+32
Improve CLK handling in the code to read freq via CCF. Also disable CLK asap and add clk handling code to start and stop. Signed-off-by: Maulik Jodhani <[email protected]> Signed-off-by: Michal Simek <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09dt-bindings: watchdog: mediatek: add support for MediaTek MT7623 and MT7622 SoCSean Wang1-0/+2
This updates dt-binding documentation for MediaTek MT7622 and MT7623 SoC. For the both SoCs supported all rely on the fallback binding of the case with "mediatek,mt6589-wdt". Signed-off-by: Sean Wang <[email protected]> Acked-by: Rob Herring <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: max77620_wdt: constify platform_device_idArvind Yadav1-1/+1
platform_device_id are not supposed to change at runtime. All functions working with platform_device_id provided by <linux/platform_device.h> work with const platform_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: pcwd_usb: constify usb_device_idArvind Yadav1-1/+1
usb_device_id are not supposed to change at runtime. All functions working with usb_device_id provided by <linux/usb.h> work with const usb_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: cadence_wdt: Show information when driver is probedMichal Simek1-1/+1
Showing message that driver is loaded is common across drivers. This change also fixes checkpatch (--strict) warning "Alignment should match open parenthesis". Signed-off-by: Michal Simek <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: cadence_wdt: Enable access to module parametersMichal Simek1-2/+2
Give read access to module parameters to all and write access to root. This change also improves driver error path testing. Signed-off-by: Michal Simek <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09libnvdimm, btt: fix format string warningsRandy Dunlap1-2/+2
Fix format warnings (seen on i386) in nvdimm/btt.c: ../drivers/nvdimm/btt.c: In function ‘btt_map_init’: ../drivers/nvdimm/btt.c:430:3: warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘size_t’ [-Wformat=] dev_WARN_ONCE(to_dev(arena), size < 512, ^ ../drivers/nvdimm/btt.c: In function ‘btt_log_init’: ../drivers/nvdimm/btt.c:474:3: warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘size_t’ [-Wformat=] dev_WARN_ONCE(to_dev(arena), size < 512, ^ Fixes: 86652d2eb347 ("libnvdimm, btt: clean up warning and error messages") Reported-by: Arnd Bergmann <[email protected]> Reported-by: kbuild test robot <[email protected]> Cc: Vishal Verma <[email protected]> Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Dan Williams <[email protected]>
2017-09-09watchdog: constify watchdog_ops and watchdog_info structuresJulia Lawall3-3/+3
These watchdog_ops and watchdog_info structures are only stored in the ops and info fields of a watchdog_device structure, respectively, which are const. Thus make the watchdog_ops and watchdog_info structures const as well. Done with the help of Coccinelle. The rules for the watchdog_ops case are as follows: // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct watchdog_ops i@p = { ... }; @ok@ identifier r.i; struct watchdog_device e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct watchdog_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct watchdog_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <[email protected]> Acked-by: Linus Walleij <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: asm9260_wdt: don't round closest with get_timeleftWolfram Sang1-1/+1
We should never return more time left than there actually is. So, switch to a plain divider instead of DIV_ROUND_CLOSEST. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: add another divider optionWolfram Sang1-3/+5
If we set RWTCSRB to 0, we can gain 4096 as another divider value. This is supported by all R-Car Gen2 and Gen3 devices which we aim to support. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: apply better precisionWolfram Sang1-9/+19
The error margin of the clks_per_second variable was too large and caused offsets when used with clock frequencies which left a remainder after applying the dividers. Now we always calculate directly using the clock rate and the divider using some helper macros. That also means that DIV_ROUND_UP moves from probe to the multiplication macro. In probe, we don't need to ensure anymore that 'clks_per_sec' would go too fast but rather ensure that the lower limit is really at least 1 to certainly get a full cycle. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: don't round closest with get_timeleftWolfram Sang1-1/+1
We should never return more time left than there actually is. So, switch to a plain divider instead of DIV_ROUND_CLOSEST. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: check rate also for upper limitWolfram Sang1-2/+2
When checking the clock rate, ensure also that counting all 16 bits takes at least one second to match the granularity of the framework. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: renesas_wdt: avoid (theoretical) type overflowWolfram Sang1-3/+2
Because the smallest clock divider we can select is 1, 'clks_per_sec' must be the same type as 'rate'. Signed-off-by: Wolfram Sang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: mt7621: explicitly request exclusive reset controlPhilipp Zabel1-1/+1
Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting reset lines") started to transition the reset control request API calls to explicitly state whether the driver needs exclusive or shared reset control behavior. Convert all drivers requesting exclusive resets to the explicit API call so the temporary transition helpers can be removed. No functional changes. Cc: [email protected] Signed-off-by: Philipp Zabel <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: rt2880: explicitly request exclusive reset controlPhilipp Zabel1-1/+1
Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting reset lines") started to transition the reset control request API calls to explicitly state whether the driver needs exclusive or shared reset control behavior. Convert all drivers requesting exclusive resets to the explicit API call so the temporary transition helpers can be removed. No functional changes. Cc: [email protected] Signed-off-by: Philipp Zabel <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: zx2967: explicitly request exclusive reset controlPhilipp Zabel1-1/+1
Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting reset lines") started to transition the reset control request API calls to explicitly state whether the driver needs exclusive or shared reset control behavior. Convert all drivers requesting exclusive resets to the explicit API call so the temporary transition helpers can be removed. No functional changes. Cc: [email protected] Signed-off-by: Philipp Zabel <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: asm9260: explicitly request exclusive reset controlPhilipp Zabel1-1/+1
Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting reset lines") started to transition the reset control request API calls to explicitly state whether the driver needs exclusive or shared reset control behavior. Convert all drivers requesting exclusive resets to the explicit API call so the temporary transition helpers can be removed. No functional changes. Cc: [email protected] Signed-off-by: Philipp Zabel <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: meson-wdt: add support for the watchdog on Meson8 and Meson8m2Martin Blumenstingl2-1/+7
The watchdog IP block on Meson8 and Meson8m2 is already supported by the existing meson-wdt driver. Meson8 uses the same register bits as Meson6, while the newer Meson8m2 SoC uses the same register bits as Meson8b. Currently watchdog support on Meson8 SoC already works because meson8.dtsi simply uses the "amlogic,meson6-wdt" compatible. Adding a separate compatible for Meson8 makes this more explicit though. Signed-off-by: Martin Blumenstingl <[email protected]> Reviewed-by: Neil Armstrong <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: w83627hf: make const array chip_name staticColin Ian King1-1/+1
Don't populate array chip_name on the stack but instead make it static. Makes the object code smaller by 40 bytes: Before: text data bss dec hex filename 5641 2840 384 8865 22a1 drivers/watchdog/w83627hf_wdt.o After: text data bss dec hex filename 5545 2896 384 8825 2279 drivers/watchdog/w83627hf_wdt.o Signed-off-by: Colin Ian King <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: coh901327_wdt: constify watchdog_ops structureGustavo A. R. Silva1-1/+1
Check for watchdog_ops structures that are only stored in the ops field of a watchdog_device structure. This field is declared const, so watchdog_ops structures that have this property can be declared as const also. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct watchdog_ops i@p = { ... }; @ok@ identifier r.i; struct watchdog_device e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct watchdog_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct watchdog_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: stm32_iwdg: constify watchdog_ops structureGustavo A. R. Silva1-1/+1
Check for watchdog_ops structures that are only stored in the ops field of a watchdog_device structure. This field is declared const, so watchdog_ops structures that have this property can be declared as const also. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct watchdog_ops i@p = { ... }; @ok@ identifier r.i; struct watchdog_device e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct watchdog_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct watchdog_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: it87_wdt: constify watchdog_ops structureGustavo A. R. Silva1-1/+1
Check for watchdog_ops structures that are only stored in the ops field of a watchdog_device structure. This field is declared const, so watchdog_ops structures that have this property can be declared as const also. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct watchdog_ops i@p = { ... }; @ok@ identifier r.i; struct watchdog_device e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct watchdog_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct watchdog_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09watchdog: ts72xx_wdt: constify watchdog_ops structureGustavo A. R. Silva1-1/+1
Check for watchdog_ops structures that are only stored in the ops field of a watchdog_device structure. This field is declared const, so watchdog_ops structures that have this property can be declared as const also. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct watchdog_ops i@p = { ... }; @ok@ identifier r.i; struct watchdog_device e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct watchdog_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct watchdog_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds63-235/+537
Pull networking fixes from David Miller: "The iwlwifi firmware compat fix is in here as well as some other stuff: 1) Fix request socket leak introduced by BPF deadlock fix, from Eric Dumazet. 2) Fix VLAN handling with TXQs in mac80211, from Johannes Berg. 3) Missing __qdisc_drop conversions in prio and qfq schedulers, from Gao Feng. 4) Use after free in netlink nlk groups handling, from Xin Long. 5) Handle MTU update properly in ipv6 gre tunnels, from Xin Long. 6) Fix leak of ipv6 fib tables on netns teardown, from Sabrina Dubroca with follow-on fix from Eric Dumazet. 7) Need RCU and preemption disabled during generic XDP data patch, from John Fastabend" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (54 commits) bpf: make error reporting in bpf_warn_invalid_xdp_action more clear Revert "mdio_bus: Remove unneeded gpiod NULL check" bpf: devmap, use cond_resched instead of cpu_relax bpf: add support for sockmap detach programs net: rcu lock and preempt disable missing around generic xdp bpf: don't select potentially stale ri->map from buggy xdp progs net: tulip: Constify tulip_tbl net: ethernet: ti: netcp_core: no need in netif_napi_del davicom: Display proper debug level up to 6 net: phy: sfp: rename dt properties to match the binding dt-binding: net: sfp binding documentation dt-bindings: add SFF vendor prefix dt-bindings: net: don't confuse with generic PHY property ip6_tunnel: fix setting hop_limit value for ipv6 tunnel ip_tunnel: fix setting ttl and tos value in collect_md mode ipv6: fix typo in fib6_net_exit() tcp: fix a request socket leak sctp: fix missing wake ups in some situations netfilter: xt_hashlimit: fix build error caused by 64bit division netfilter: xt_hashlimit: alloc hashtable with right size ...
2017-09-09Merge branch 'akpm' (patches from Andrew)Linus Torvalds271-2011/+7222
Merge more updates from Andrew Morton: - most of the rest of MM - a small number of misc things - lib/ updates - checkpatch - autofs updates - ipc/ updates * emailed patches from Andrew Morton <[email protected]>: (126 commits) ipc: optimize semget/shmget/msgget for lots of keys ipc/sem: play nicer with large nsops allocations ipc/sem: drop sem_checkid helper ipc: convert kern_ipc_perm.refcount from atomic_t to refcount_t ipc: convert sem_undo_list.refcnt from atomic_t to refcount_t ipc: convert ipc_namespace.count from atomic_t to refcount_t kcov: support compat processes sh: defconfig: cleanup from old Kconfig options mn10300: defconfig: cleanup from old Kconfig options m32r: defconfig: cleanup from old Kconfig options drivers/pps: use surrounding "if PPS" to remove numerous dependency checks drivers/pps: aesthetic tweaks to PPS-related content cpumask: make cpumask_next() out-of-line kmod: move #ifdef CONFIG_MODULES wrapper to Makefile kmod: split off umh headers into its own file MAINTAINERS: clarify kmod is just a kernel module loader kmod: split out umh code into its own file test_kmod: flip INT checks to be consistent test_kmod: remove paranoid UINT_MAX check on uint range processing vfat: deduplicate hex2bin() ...
2017-09-09remove gperf left-overs from build systemLinus Torvalds1-9/+0
I removed all the gperf use, but not the Makefile rules. Sam Ravnborg says I get bonus points for cleaning this up. I'll hold him to it. Requested-by: Sam Ravnborg <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2017-09-09NFS: Remove pnfs_generic_transfer_commit_list()Trond Myklebust2-41/+4
It's pretty much a duplicate of nfs_scan_commit_list() that also clears the PG_COMMIT_TO_DS flag. Signed-off-by: Trond Myklebust <[email protected]>
2017-09-09NFS: nfs_lock_and_join_requests and nfs_scan_commit_list can deadlockTrond Myklebust2-9/+22
Since the commit list is not ordered, it is possible for nfs_scan_commit_list to hold a request that nfs_lock_and_join_requests() is waiting for, while at the same time trying to grab a request that nfs_lock_and_join_requests already holds. Signed-off-by: Trond Myklebust <[email protected]>
2017-09-09watchdog: Revert "iTCO_wdt: all versions count down twice"Wim Van Sebroeck2-11/+13
This reverts commit 1fccb73011ea8a5fa0c6d357c33fa29c695139ea. Reported as Bug 196509 - iTCO_wdt regression reboot before timeout expire Signed-off-by: Wim Van Sebroeck <[email protected]>
2017-09-09Merge branches 'fixes' and 'misc' into for-linusRussell King10205-208811/+807593
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