- 03 Feb, 2014 4 commits
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Dan Carpenter authored
"ret" is zero here. There is no need to check again. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
Jonathan Cameron <jic23@kernel.org>
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Dan Carpenter authored
We know "ret" is zero here so there is no need to check. Signed-off-by:
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Johannes Thumshirn authored
Drop call to platform_set_drvdata as driver data is not used anywhere in the driver Signed-off-by:
Johannes Thumshirn <morbidrsa@gmail.com> Signed-off-by:
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Alexandre Belloni authored
Checking the channel number is useless since mxs_lradc_read_raw() is called from a controlled environment and the driver is responsible for filing the struct iio_chan_spec. Signed-off-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by:
Marek Vasut <marex@denx.de> Signed-off-by:
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- 18 Jan, 2014 6 commits
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Peter Meerwald authored
kerneldoc and comment formating, typos Signed-off-by:
Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by:
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Peter Meerwald authored
differantiate between channels with_temp and without Signed-off-by:
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Peter Meerwald authored
issues introduced here 25888dc5, staging:iio:sca3000 extract old event handling and move to poll for events Signed-off-by:
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Peter Meerwald authored
issue introduced here 6fe8135f: staging:iio: implement an iio_info structure to take some of the constant elements out of iio_dev Signed-off-by:
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Peter Meerwald authored
Signed-off-by:
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Peter Meerwald authored
match function names with kerneldoc Signed-off-by:
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- 12 Jan, 2014 1 commit
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Peter Meerwald authored
combined ambient light (two channels) and proximity sensor with I2C interface; the ALS channels are visible+IR and IR datasheet is here http://optoelectronics.liteon.com/upload/download/DS86-2012-0006/P_100_LTR-501ALS-01_PrelimDS_ver1.1.pdf v3: * fix use of sizeof in _read_als() v2: (thanks to Lars-Peter Clausen) * cannot use devm_iio_device_register() due to cleanup order in _remove() * mutex around data wait/read * turn info message in _probe() into check for part number * change copyright year to 2014 Signed-off-by:
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- 11 Jan, 2014 7 commits
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Boris BREZILLON authored
Document the clock properties required by the at91 ADC driver. Signed-off-by:
Boris Brezillon <b.brezillon@overkiz.com> Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
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Peter Meerwald authored
>> >> drivers/iio/pressure/mpl3115.c:101:46: sparse: cast to restricted __be32 >> >> drivers/iio/pressure/mpl3115.c:115:46: sparse: cast to restricted __be32 Signed-off-by:
kbuild test robot <fengguang.wu@intel.com> Signed-off-by:
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Paul Gortmaker authored
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Peter Meerwald authored
len variable became obsolete with iio_push_to_buffers_with_timestamp() Signed-off-by:
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Peter Meerwald authored
len variable become obsolete with iio_push_to_buffers_with_timestamp() Signed-off-by:
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Vivien Didelot authored
Remove "Control of internal reference" from the list of unimplemented features, since as of commit a405b00e, external reference is supported if the device has a regulator and falls back to internal if it doesn't. While we are modifying the header, let's make it more concise and remove a redundant filename. Signed-off-by:
Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by:
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Peter Meerwald authored
sensor provides 12-bit relative humidity and 14-bit temperature via I2C interface; temperature and linearity compensation is not implemented (yet) driver also supports the Si7015, but not the 2nd generation sensors Si7013/Si7020/Si7021 datasheet is here http://www.silabs.com/Support%20Documents/TechnicalDocs/Si7005.pdf v2: (thanks to Lars-Peter Clausen) * fix coding style * use devm_iio_device_register() * change copyright year to 2014 Signed-off-by:
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- 10 Jan, 2014 2 commits
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John Stultz authored
Add support to the dummy driver for basic carveout and chunk heaps. Since we're generating these heaps at module_init, and we want this driver to be generic enough to be tested on any arch, we don't have the ability to alloc bootmem, so both of these heaps are conventionally allocated using alloc_pages(), which limits us to 4M in size. Should look into using CMA for heap allocation eventually, but this provides enough to test the basic functionality of the heaps. Cc: Colin Cross <ccross@android.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Jesse Barker <jesse.barker@arm.com> Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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John Stultz authored
Provide a basic dummy driver to register the ion device and to install basic SYSTEM and SYSTEM_CONTIG heaps. This allows for basic testing with ION without having access to drivers or systems that have been enabled to use ION. Cc: Colin Cross <ccross@android.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Jesse Barker <jesse.barker@arm.com> Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by:
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- 09 Jan, 2014 20 commits
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Bernd Porr authored
Comedi core now reports that a device has been attached so that the driver itself won't need to do it any longer. The driver now just outputs the offset of the ADC converter which is a soft indicator of the health of the board and also the user can grep this value from the kernel log easier for debugging purposes. Signed-off-by:
Bernd Porr <mail@berndporr.me.uk> Reviewed-by:
Ian Abbott <abbotti@mev.co.uk> Signed-off-by:
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Bernd Porr authored
The function usbduxsigma_getstatusinfo() returns a negative value in case there has been a communication error with the board. This should always work and if this communication fails then there is something seriously wrong with the board. This is now returned to the caller so that it can terminte the auto attachement. The return command also prevents printing out the offset value in case of a fault. Signed-off-by:
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Bernd Porr authored
Added success message to the driver autoconfig and error message in case it fails. A success message is required so that the user can find out which comedi driver has been associated with which udev device. This also makes troubleshooting much easier when more than one card is in the computer or there is a mix of USB and PCI devices. As Ian suggested we should report both the driver and the board which might have different names, especially if one driver covers a range of different boards. Signed-off-by:
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Ian Abbott authored
`comedi_free_board_dev()` is called (via `comedi_auto_unconfig()` --> `comedi_release_hardware_device()`) when an auto-configured comedi device is removed. This destroys the main sysfs class device and then calls `comedi_device_cleanup()` to clean up the comedi device. For comedi devices that have comedi subdevices that asynchronous commands, the clean up involves destroying the sysfs class devices associated with those subdevices. There is a bug in the above sequence because the sysfs class devices associated with the comedi subdevices are children of the sysfs class device associated with the main comedi device. Therefore they will have been automatically destroyed when the main sysfs class device is destroyed. When they are destroyed again as part of the clean-up, they will not be found, leading to a warning and a stack trace similar to this: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1213 at fs/sysfs/group.c:214 sysfs_remove_group+0x4e/0xa7() sysfs group ffffffff817504c0 not found for kobject 'comedi4_subd0' Modules linked in: nfsd auth_rpcgss oid_registry exportfs nfs_acl lockd bridge stp llc sunrpc fuse binfmt_misc cpufreq_userspace sr_mod snd_hda_codec_analog cdrom powernow_k8 kvm_amd kvm amplc_pci230(C) 8255(C) comedi(C) pcmcia xhci_hcd ehci_pci pcmcia_core ohci_pci ohci_hcd ehci_hcd usbcore snd_hda_intel snd_hda_codec snd_pcm k8temp snd_page_alloc 8139too snd_timer snd soundcore mii usb_common forcedeth pata_amd CPU: 1 PID: 1213 Comm: kworker/u4:6 Tainted: G C 3.13.0-rc5-ija1+ #20 Hardware name: System manufacturer System Product Name/M2N-E, BIOS ASUS M2N-E ACPI BIOS Revision 5001 03/23/2010 Workqueue: sysfsd sysfs_schedule_callback_work 0000000000000000 ffff8800bf17fb38 ffffffff814672ce ffff8800bf17fb80 ffff8800bf17fb70 ffffffff8103470b ffffffff8114f780 0000000000000000 ffffffff817504c0 ffff8800bf39f410 ffff880139b68670 ffff8800bf17fbd0 Call Trace: [<ffffffff814672ce>] dump_stack+0x45/0x56 [<ffffffff8103470b>] warn_slowpath_common+0x7a/0x93 [<ffffffff8114f780>] ? sysfs_remove_group+0x4e/0xa7 [<ffffffff8103476b>] warn_slowpath_fmt+0x47/0x49 [<ffffffff8114e92d>] ? sysfs_get_dirent_ns+0x5e/0x66 [<ffffffff8114f780>] sysfs_remove_group+0x4e/0xa7 [<ffffffff8132aac0>] dpm_sysfs_remove+0x37/0x3b [<ffffffff81323781>] device_del+0x3e/0x173 [<ffffffff813238c3>] device_unregister+0xd/0x18 [<ffffffff8132392e>] device_destroy+0x33/0x37 [<ffffffffa0212086>] comedi_free_subdevice_minor+0x80/0x92 [comedi] [<ffffffffa02128bb>] comedi_device_detach+0x79/0x152 [comedi] [<ffffffffa020f223>] comedi_device_cleanup+0x36/0x57 [comedi] [<ffffffffa020f275>] comedi_free_board_dev+0x31/0x3c [comedi] [<ffffffffa0211f2a>] comedi_release_hardware_device+0x5a/0x73 [comedi] [<ffffffffa0212547>] comedi_auto_unconfig+0xe/0x10 [comedi] [<ffffffffa021357c>] comedi_pci_auto_unconfig+0x10/0x12 [comedi] [<ffffffff811d2335>] pci_device_remove+0x40/0x8a [<ffffffff813261d0>] __device_release_driver+0x84/0xda [<ffffffff81326244>] device_release_driver+0x1e/0x2b [<ffffffff811cdcb5>] pci_stop_bus_device+0x44/0x87 [<ffffffff811cdde2>] pci_stop_and_remove_bus_device+0xd/0x18 [<ffffffff811d3f3d>] remove_callback+0x20/0x2f [<ffffffff8114d1f7>] sysfs_schedule_callback_work+0xf/0x70 [<ffffffff81049498>] process_one_work+0x1d6/0x34c [<ffffffff81049a5f>] worker_thread+0x1cf/0x2b5 [<ffffffff81049890>] ? rescuer_thread+0x258/0x258 [<ffffffff8104e0e6>] kthread+0xd6/0xde [<ffffffff8104e010>] ? kthread_create_on_node+0x160/0x160 [<ffffffff81472cbc>] ret_from_fork+0x7c/0xb0 [<ffffffff8104e010>] ? kthread_create_on_node+0x160/0x160 ---[ end trace 94722aa2936a7adf ]--- To correct the bug, rearrange `comedi_free_board_dev()` to destroy the main sysfs class device *after* the clean-up operation. Thanks to Bernd Porr for finding the bug and his initial attempt to fix it. Reported-by:
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Chase Southwood authored
This patch fixes a style issue regarding asterisk placement in das1800.c and das6402.c found by checkpatch.pl. Signed-off-by:
Chase Southwood <chase.southwood@yahoo.com> Signed-off-by:
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Malcolm Priestley authored
White space clean Remove unneeded comments. Camel case changes pDevice, byRTSRsvType byPktType cbFrameLength wCurrentRate uRrvTime uRTSTime uCTSTime uAckTime uDataTime } -> { priv, rsv_type pkt_type frame_lenght current_rate rrv_time rts_time cts_time ack_time data_time Signed-off-by:Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by:
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Malcolm Priestley authored
White space clean. Remove unneeded comments. Camel case changes pDevice byPktType cbFrameLength wRate bNeedAck uDataTime uAckTime } -> { priv pkt_type frame_length rate need_ack data_time ack_time Signed-off-by: -
Eli Billauer authored
If the "dma-coherent" property is present in the device tree, the driver will not perform cache invalidations. This feature significantly improves data throughput and reduces CPU load. Signed-off-by:
Eli Billauer <eli.billauer@gmail.com> Signed-off-by:
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Eli Billauer authored
The previous "compatible" string was poorly chosen, but remains in the match list to support existing DTBs. There is no risk for a naming clash. Signed-off-by:
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Eli Billauer authored
Signed-off-by:
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Arnd Bergmann authored
interruptible_sleep_on is racy and going away. This replaces the use in the gdm72xx driver with the appropriate wait_event_interruptible_lock_irq. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Signed-off-by:
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Arnd Bergmann authored
sleep_on and related functions are going away and should not be used in this driver any more. This removes the call to interruptible_sleep_on for a wait queue that is never woken up, and replaces an interruptible_sleep_on_timeout call with the equivalent wait_event_interruptible_timeout() to avoid a small race. Both call sites still look fishy and need more work. Signed-off-by: Arnd Bergmann <arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Cc: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: -
Arnd Bergmann authored
interruptible_sleep_on is racy and going away. This replaces the one caller in the panel driver with the appropriate wait_event_interruptible variant. Signed-off-by:
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Vincent Stehlé authored
Remove a few spaces at beginning and end of line. Remove single statement braces {}. Remove two FSF boilerplate paragraphs. Signed-off-by:Vincent Stehlé <vincent.stehle@laposte.net> Cc: Lidza Louina <lidza.louina@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Scott H Kilau <Scott_Kilau@digi.com> Cc: Eng.Linux@digi.com Signed-off-by:
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Vincent Stehlé authored
Include slab.h to fix the following compilation error: drivers/staging/dgap/dgap_fep5.c: In function ‘dgap_do_config_load’: drivers/staging/dgap/dgap_fep5.c:78:2: error: implicit declaration of function ‘kzalloc’ [-Werror=implicit-function-declaration] Signed-off-by:
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Gary Rookard authored
I fixed some brace coding style issues. Signed-off-by:
Gary Alan Rookard <garyrookard@gmail.com> Signed-off-by:
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Ivaylo Dimitrov authored
Use upstream hashtable implementation instead of generic code Signed-off-by:
Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> Signed-off-by:
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Larry Finger authored
The latest version of NetworkManager does not recognize the device as wireless without this change. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by:
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Dan Carpenter authored
We only ever set the highest 4 bytes of ulReg. This would cause a problem on big endian systems. The type should be u32 instead of unsigned long. Signed-off-by:
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Dan LaManna authored
This is a patch to the r8180_wx.c which fixes various whitespace issues, brace issues, casting/declaration syntax issues, and increases clarity in multi-line return statement. Signed-off-by:
Dan LaManna <dan.lamanna@gmail.com> Reviewed-by:
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