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2015-10-03iio: fix drivers that use 0 as a valid IRQ in client->irq (part 2)Octavian Purdila
Since commit dab472eb931bc291 ("i2c / ACPI: Use 0 to indicate that device does not have interrupt assigned") 0 is not a valid i2c client irq anymore, so change all driver's checks accordingly. The same issue occurs when the device is instantiated via device tree with no IRQ, or from the i2c sysfs interface, even before the patch above. Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-10-03iio: mlx96014: Error checking from positive to negativeCrt Mori
Dan Carpenter reported a static checker report and after his mail I noticed that we actually return from function if positive value is obtained from i2c read. This was remainder from when code was not in separate function (which I changed during the review process). Static checker reported drivers/iio/temperature/mlx90614.c:167 mlx90614_iir_search() warn: this cast is a no-op which meant that cast before negating is useless. Dan also proposed a solution on nicer bit operation form. Also changed magic number to macro in process as that was confusing. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Crt Mori <cmo@melexis.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30iio: mcp4531: Driver for Microchip digital potentiometersPeter Rosin
Add support for Microchip digital potentiometers and rheostats MCP4531, MCP4532, MCP4551, MCP4552 MCP4631, MCP4632, MCP4651, MCP4652 DEVICE Wipers Steps Resistor Opts (kOhm) i2c address MCP4531 1 129 5, 10, 50, 100 010111x MCP4532 1 129 5, 10, 50, 100 01011xx MCP4551 1 257 5, 10, 50, 100 010111x MCP4552 1 257 5, 10, 50, 100 01011xx MCP4631 2 129 5, 10, 50, 100 0101xxx MCP4632 2 129 5, 10, 50, 100 01011xx MCP4651 2 257 5, 10, 50, 100 0101xxx MCP4652 2 257 5, 10, 50, 100 01011xx Datasheet: http://www.microchip.com/downloads/en/DeviceDoc/22096b.pdf Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30iio: lidar: add missing MODULE_DEVICE_TABLE for dtMatt Ranostay
The device tree compatible strings weren't properly registered for the pulsedlight-lidar-lite-v2 driver. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30iio: chemical: vz89x hardware i2c workaroundMatt Ranostay
Chipset sometime updates in the middle of a reading causing it to reset the data pointer, and causing invalid reading of previous data. We can check for this invalid state by reading MSB of the resistance reading that is always zero, and by also confirming the VOC_short isn't zero. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30iio: dac: ad5504: leave sysfs naming to the coreMartin Kepplinger
This shouldn't actually change anything since the core calls the events sysfs folder "events" anyways. Signed-off-by: Martin Kepplinger <martink@posteo.de> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30iio: adc: max1363: leave sysfs naming to the coreMartin Kepplinger
This shouldn't actually change anything since the core calls the events sysfs folder "events" anyways. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30iio: adc: ad799x: leave sysfs naming to the coreMartin Kepplinger
This shouldn't change anything since the core calls the events folder "events" anyways. Signed-off-by: Martin Kepplinger <martink@posteo.de> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30Staging: iio: cdc: Remove unnecessary dev_infoShraddha Barke
Remove dev_info as the information can be obtained by other means Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30Staging: iio: cdc: Prefer using the BIT macroShraddha Barke
Replace bit shifting on 1 with the BIT(x) macro Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-09-30staging: iio: iio_dummy_evgen: handle_simple_irq() build fixGreg Kroah-Hartman
handle_simple_irq() has dropped the first parameter, so fix it up in the iio_dummy_evgen.c driver to prevent the build from breaking. Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-30Merge tag 'iio-for-4.4a' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: First round of new driver, new functionality and cleanups for IIO in the 4.4 cycle New device support * APDS9960 ALS + proximity driver * bmg160 SPI devices. * HDC100x humidity sensors * Holt HI-8435 threshold detector * mma8453Q accelerometer added to the mma8452 driver * mma86452FC and mma8653FC accelerometers added to the mma8452 driver * mxc4005 accelerometer * PulsedLight LIDAR * SensorTech VZ89x volatile organic compound sensor * UPISEMI uS5182d ALS and proximity sensors New core functionality * triggered events - use triggers to check for changes in threshold type detectors on devices with out interrupt support. First user is the holt comparator. * chemical concentration and resistance channel types. New driver functionality * vf610 - buffer support. - followup coccinelle warning fix. Core rework * buffers - break out callback buffer to own module. - move buffer implementations to a new subdirectory * percolate the error code form iio_event_getfd out to userspace rather than giving a missleading error later on. Cleanups * adddac drivers - use BIT macro where appropriate. * meter drivers - use BIT macro where appropriate. * ad7303 - add an OF match table to line up with the binding docs. * adc128s052 - add an OF match table to line up with the binding docs. * adf4350 - add an OF match table to line up with the binding docs * as3935 - add an OF match table to line up with the binding docs. * berlin2-adc - use GENMASK and BIT for masks - prevent attempting to sample multiple channels at once by moving a mutex scop - coding style cleanups * bmg150_magn - kconfig sort order was wrong - fix it. * bmg160 - use i2c regmap and drop all uses of i2c_client - separate i2c and core driver * cc10001_adc - kconfig sort order was wrong - fix it. * evgen (dummy driver helper module) - move interrupt generation to irq_work to reduce differences between the dummy driver and real hardware drivers. * hmc5843 - set the name dynamically rather than to a fixed value for one of the suported parts. - export module alias information to allow autoprobing of module. * lpc32xx - on failure to get resource or irq return -ENXIO as uppose to -EBUSY * max1027 - set .of_match_table to actually allow OF style matching. * max5821 - add MODULE_DEVICE_TABLE for OF table. * mma8452 - refactor to separate out chip specific data. - add freefall / motion interrupt source for devices that do their interrupts slightly differently. - update copywrite notice. - leave naming of events directory in sysfs to the core * mcp320x - set .of_match_table so that it can be use for OF style matching. * mlx90614 - Implement filter configuration (note the datasheet changed as a result of the driver reviews to include the values we needed ;) * opt3001 - drop .owner field as assigned by platform driver core. * si7020 - replace a bitmask on the humidity values with a more correct range check. * stk310 - improved error handling. - use BIT macro where appropriate and use the resulting defines instead of magic numbers in the code. - fix indentation * st-sensors - add debugfs register read hook * tsl4531 - fix error handling in check_id * twl6030 - fix module autoload for OF * iio-trig-sysfs - document add and remove attribute * trigger in staging - code alignment fixes. - braces on both branches of if statement if needed for one. * xilinx-xadc - push interrupts into hardirq context as there isn't much in them any more and it avoids breaking PREEMPT_RT builds due to the use of a spinlock between the hardirq and the thread. Tools * event-monitor - report unsupported events. We keep expanding what can come from drivers so give a helpful error if one turns up in an out of date userspace program. * generic-buffer - helpful message about needing to enable a channel to start the buffer.
2015-09-29staging/lustre: Remove ccc_transient_page_* methodsOleg Drokin
All of them but the ccc_transient_page_prep are unused, so remove the unused ones. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused ccc_io_fini()Oleg Drokin
Does not appear to be used anywhere. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove ccc_attr/conf_set()Oleg Drokin
These seem to be unused. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove server-only recovery-related bitsOleg Drokin
This patch is a first stab at trying to remove structure fields from obd_export and obd structures that are only used on the server or make sense on the server. These include tracking requests in recovery, various recovery stages, lists of recovered and not yet recovered clients and so on. Also prune functions that use these fields. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/obdclass: Remove unused nid_hashOleg Drokin
nid_hash is used on export to faster find clients based on their NID. There's no use for that on the client. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/fid: Remove unused struct lu_server_seqOleg Drokin
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/fid: Get rid of lcs_srv in lu_client_seqOleg Drokin
Since we know lcs_srv is always NULL, just get rid of it completely and fix up all the code to assumee it was never there. Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/fid: Remove unused seq_client_get_seq functionOleg Drokin
Also while we are at it, remove seq_site_fini forward declaration as there's no such function anymore. Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/fid: seq_client_init/fini don't need to be exportedOleg Drokin
In fact they could be static as they are only used inside this file, so remove EXPORT_SYMBOL and declarations. Also seq_client_init is always called with srv = NULL, so just drop this argument. Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/fid: Remove server fid function declarationsOleg Drokin
Those functions are not present anywhere in the client code. Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: remove lots of dead codeArnd Bergmann
This is a large patch to remove all dead code from obdclass and ptlrpc, purely removing functions and declarations now, so despite the size should be easy enough to verify. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Drop unused obdo_from_la() and la_from_obdo()Oleg Drokin
They are no longer used anywhere. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/ptlrpc: secure wrapping code cleanupOleg Drokin
Drop unused functions. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/ptlrpc: Drop unused client codeOleg Drokin
These client request/import functions are not used anywhere, so drop them. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/obdclass: Drop unused code from obdo.cOleg Drokin
These functions are not even referenced in any header files anymore. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused function server_name2svname()Oleg Drokin
All users are only in the server code Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused function class_handle_hash_back()Oleg Drokin
No callers left. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/obdclass: Remove unused functions from genops.cOleg Drokin
These functions are mostly used on the server. class_uuid2obd, get_devices_count, class_obd_list, class_conn2obd, class_conn2cliimp, class_connected_export, obd_exports_barrier, kuc_* (kernel-userspace communications). Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/ldlm: Remove unused round_timeout functionOleg Drokin
It's not referenced anywhere anymore. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused lu_object functions.Oleg Drokin
Quite a bunch of them are only used on the server. lu_object_put_nocache, lu_object_invariant, lu_dev_del_linkage, lu_context_tags_update, lu_context_tags_clear, lu_session_tags_update, lu_session_tags_clear, lu_env_refill_by_tags, lu_printk_printer, lu_object_assign_fid, lu_object_anon, lu_buf_free, lu_buf_alloc, lu_buf_realloc, lu_buf_check_and_alloc, lu_buf_check_and_grow Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused functions and definitions from cl_objectOleg Drokin
cl_object_header_fini, cl_object_has_locks, cl_attr2lvb, cl_page_list_own, cl_page_list_unmap, cl_2queue_assume, cl_io_print, cl_enqueue, also cleanup extern declarations in cl_object.h Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused ptlrpcd_add_rqset()Oleg Drokin
No point in retaining it if it's unused. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused statfs_pack()Oleg Drokin
It's only used on the server. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove high-priority request callbacksOleg Drokin
This function is only used on the server where real high-priority requests actually exist. This deletes ptlrpc_hpreq_handler() and ptlrpc_request_change_export() Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused reply state batches codeOleg Drokin
rs_batch is used on the server only. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused req_capsule_server_growOleg Drokin
It's only used on the server Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre/ptlrpc: Remove server-specific health checksOleg Drokin
ptlrpc_service_health_check is only used on a service, so it makes no point to retain it in the client code. Also removing it's helpers: ptlrpc_svcpt_health_check and ptlrpc_nrs_req_peek_nolock Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused lustre_acl_xattr_merge2posix()Oleg Drokin
Apparently this is only used only on the metadata server. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging/lustre: Remove unused target_print_req()Oleg Drokin
This is a server-side request printing function, so we don't really need it on the client. Signed-off-by: Oleg Drokin <green@linuxhacker.ru> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29Staging: most: Use module_i2c_driverShraddha Barke
Macro module_i2c_driver is used for drivers whose init and exit paths does only register and unregister to i2c API. Remove some boilerplate code by using module_i2c_driver. Problem found using Coccinelle. Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging: comedi: ni_tiocmd: remove unused codeLuis de Bethencourt
Code after a return will never run, removing this dead code. Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging: sm750fb: remove dead codeMike Rapoport
Remove the code enclosed in '#if 0' Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29staging: rtl8712: remove dead codeLuis de Bethencourt
The while() loop will only exit in a return or a goto ask_for_joinbss, which means it will never break and execute the return after it. Removing return _FAIL since it is dead code. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29Staging: rtl819u: Fix brace styling issuesmike dupuis
This is a patch to correct two flavors of brace styling issues in ieee80211_softmac_wx.c. Signed-off-by: Mike Dupuis <mike.dupuis.0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29Staging: rtl8192u: spaces required around = operatormike dupuis
This is a patch to add spaces around = operators in several instances in ieee80211_softmac_wx.c Signed-off-by: Mike Dupuis <mike.dupuis.0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29Staging: rtl8192u: add spaces around == and || operatorsmike dupuis
This is a patch to add missing spaces around == and || operators in one instance in ieee80211_softmac_wx.c. Signed-off-by: Mike Dupuis <mike.dupuis.0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29Staging: rtl8192u: move open braces to previous linesmike dupuis
This is a patch to move opening braces to the lines on which their corresponding if-statements exist in ieee80211_softmac_wx.c. Signed-off-by: Mike Dupuis <mike.dupuis.0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-29Staging: rtl8192u: add missing blank lines after declarationsmike dupuis
This is a patch to add blank lines after declaration ins several instances in iee80211_softmac_wx.c. Signed-off-by: Mike Dupuis <mike.dupuis.0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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