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2015-01-01iio: frequency: ad9523: Increase sleep time in ad9523_store_eepromRoberta Dobrescu1-1/+1
This patch increases sleep time in ad9523_store_eeprom to 20ms since it isn't timing critical. It fixes the following checkpatch.pl warning: WARNING: msleep < 20ms can sleep for up to 20ms Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-12-26iio: frequency: Remove unnecessary braces around single statement blockRoberta Dobrescu1-2/+1
This patch fixes the following checkpatch.pl warning: WARNING: braces {} are not necessary for single statement blocks Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-12-26iio: frequency: Remove 'out of memory' messageRoberta Dobrescu1-3/+1
This patch fixes the following checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-10-19Merge 3.12-rc6 into staging-next.Greg Kroah-Hartman1-2/+4
We want these fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-12iio: frequency: adf4350: add missing clk_disable_unprepare() on error in adf4350_probe()Wei Yongjun1-2/+4
Add the missing clk_disable_unprepare() before return from adf4350_probe() in the error handling case. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Reviewed-by: Lars-Peter CLausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-15iio: refactor info mask and ext_info attribute creation.Jonathan Cameron1-0/+1
Introduce an enum to specify whether the attribute is separate or shared. Factor out the bitmap handling for loop into a separate function. Tidy up error handling and add a NULL assignment to squish a false positive warning from GCC. Change ext_info shared type from boolean to enum and update in all drivers. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
2013-08-03iio: frequency: ad9523: Use devm_* APIsSachin Kamat1-13/+4
devm_* APIs are device managed and make code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Michael Hennerich <hennerich@blackfin.uclinux.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03iio: frequency: adf4350: Use devm_* APIsSachin Kamat1-22/+9
devm_* APIs are device managed and make code simpler. This also takes care of missing clk_put function calls implicitly. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03iio: Add a comment to about alphabetical order to Kconfigs and MakefilesLars-Peter Clausen2-0/+2
Keeping Makefile and Kconfig entries in alphabetical order usually works better than just appending new entries at the end, since it reduces the amount of conflicts. This patch adds a comment to the IIO Kconfig and Makefile files to document that the entries should be kept in alphabetical order. Also reorder those entries which weren't in alphabetical order yet. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-06-09iio: frequency: adf4350: Add support for dt bindingsMichael Hennerich1-1/+127
Per review feedback from Lars-Peter Clausen <lars@metafoo.de> Changes since V1: Fix return value handling of adf4350_parse_dt() Use of_get_gpio Avoid abbreviations in devicetree properties Fix typo in docs Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-06-09iio: frequency: adf4350: Add support for clock consumer frameworkMichael Hennerich1-9/+49
Preferably get clkin (PLL reference clock) from clock framework Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-06-04iio: frequency: ad4350: Fix bug / typo in maskMichael Hennerich1-1/+1
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-03-17iio:freq:ad9523 move to info_mask_(shared_by_type/separate)Jonathan Cameron1-4/+4
The original info_mask is going away in favour of the broken out versions. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-02-09iio: Use spi_sync_transfer()Lars-Peter Clausen1-12/+2
Use the new spi_sync_transfer() helper function instead of open-coding it. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-01-14Merge tag 'staging-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds1-1/+1
Pull staging fixes from Greg Kroah-Hartman: "Here are a number of small fixes to staging drivers for your 3.8-rc3 tree. Well, the omapdrm fixes aren't really "small" but they were waiting on a number of other drm patches to go in through the drm tree, and got delayed by my vacation over the holidays. They are totally self-contained, everyone involved have acked them, and they fix issues that people have been having with the driver. Other than that one, it's a bunch of tiny bugfixes for a number of reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'staging-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (36 commits) staging: zram: fix invalid memory references during disk write staging: tidspbridge: use prepare/unprepare on dsp clocks staging: tidspbridge: Fix build breakage due to splitting CM functions. staging: comedi: comedi_test: fix race when cancelling command staging: comedi: Kconfig: COMEDI_NI_AT_A2150 should select COMEDI_FC staging: comedi: prevent auto-unconfig of manually configured devices staging: comedi: fix minimum AO period for NI 625x and NI 628x staging: vme_pio2: fix oops on module unloading staging: speakup: avoid out-of-range access in synth_add() staging: speakup: avoid out-of-range access in synth_init() staging: rtl8192e: Fix failure to check pci_map_single() staging: rtl8187se: Fix failure to check pci_map_single() staging: drm/imx: fix double free bug in error path staging: drm/imx: several bug fixes staging: drm/imx: check return value of ipu_reset() staging: drm/omap: fix flags in dma buf exporting staging: drm/omap: use omapdss low level API staging/fwserial: Update TODO file per reviewer comments staging/fwserial: Limit tx/rx to 1394-2008 spec maximum staging/fwserial: Refine Kconfig help text ...
2013-01-03Drivers: iio: remove __dev* attributes.Greg Kroah-Hartman2-6/+6
CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-12-27iio:adf4350: Fix typoMichael Hennerich1-1/+1
There is a typo in the adf4350 driver turning a shift into a compare. This patch fixes it. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-08-16iio: frequency: ADF4350: Fix potential reference div factor overflow.Michael Hennerich1-9/+15
With small channel spacing values and high reference frequencies it is possible to exceed the range of the 10-bit counter. Workaround by checking the range and widening some constrains. We don't use the REG1_PHASE value in this case the datasheet recommends to set it to 1 if not used. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-06-12iio: ad9523: Fix argument type mismatchMichael Hennerich1-1/+1
drivers/iio/frequency/ad9523.c:378 ad9523_vco_out_map() warn: value 2 can't fit into 1 'out' Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-12iio: frequency: adf4350: using an uninitialized variableDan Carpenter1-2/+2
GCC complains that we use an uninitialized variable if the user passes an invalid parameter to adf4350_read(). I decided that we should return -EINVAL instead in that case. However, when I looked up at adf4350_write() it returned -ENODEV for that condition. In the end, I decided the -EINVAL was the right thing and I change adf4350_write() to match. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-12iio: frequency: adf4350: fix an initializationDan Carpenter1-1/+1
Sparse complains about this: drivers/iio/frequency/adf4350.c:58:29: warning: Initializer entry defined twice drivers/iio/frequency/adf4350.c:59:10: also defined here It looks like '|' was intended here instead of ','. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-12iio: frequency: ad9523: unlock on error in ad9523_reg_access()Dan Carpenter1-1/+3
There was a return path which got missed accidentally. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-07iio: adf4350: fix compiler warning [-Wuninitialized]Michael Hennerich1-0/+2
drivers/iio/frequency/adf4350.c:316:32: warning: ‘val’ may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-04iio: frequency: New driver for Analog Devices ADF4350/ADF4351 Wideband SynthesizersMichael Hennerich3-0/+497
Changes since V1: Apply Jonathan's review feedback: Introduce and use IIO_ALTVOLTAGE. Fix up comments and documentation. Remove dead code. Reorder some code fragments. Add missing iio_device_free. Convert to new API. Fix-up out of staging includes. Removed pll_locked attribute. Changes since V2: Use module_spi_driver. adf4350_remove: move gpio_free after regulator. target patch to drivers/iio Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-04iio: frequency: New driver for AD9523 SPI Low Jitter Clock GeneratorMichael Hennerich3-0/+1085
Changes since V1: Apply Jonathan's review feedback: Revise device status attribute names, and split documentation into two sections. Add additional comments, and fix indention issues. Remove pointless zero initializations. Revise return value handling. Simplify some code sections. Split store_eeprom and sync handling into separate functions. Use strtobool where applicable. Document platform data structures using kernel-doc style. Use dev_to_iio_dev write_raw IIO_CHAN_INFO_FREQUENCY: Reject values <= 0 Make patch target drivers/iio Changes since V2: Use for_each_clear_bit() and __set_bit() where applicable. Add descriptive comment. Avoid temporary for struct regulator. spi_device_id name use ad9523-1, ad9523 will be added later. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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