- 19 Jun, 2012 2 commits
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Ian Abbott authored
A previous set of patches by Ravishankar Karkala Mallikarjunayya replaced a load of printk() calls with dev_info(), dev_err(), etc. Unfortunately, these used the 'struct device *hw_dev' member of 'struct comedi_device') as the first parameter of these dev_...() calls, but that pointer is usually NULL, so the kernel log messages come out a bit wrong (they contain the phrase "(NULL device *)"). Use the 'struct device *class_dev' member of 'struct comedi_device' instead for these dev_...() calls. It will be non-NULL and somewhat meaningful to users. It's also consistent with those comedi drivers that already use the class_dev member in their dev_...() calls. Some of the messages included the format "comedi%d" with the minor device number used for the "%d". This is now redundant as it will be the same as the dev_name() part of the kernel log message produced by the dev_...() calls. Signed-off-by:
Ian Abbott <abbotti@mev.co.uk> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Christopher Brannon authored
A local static variable was declared as a pointer to a string constant. We're assigning to the underlying memory, so it needs to be an array instead. Signed-off-by:
Christopher Brannon <chris@the-brannons.com> Signed-off-by:
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- 15 Jun, 2012 27 commits
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H Hartley Sweeten authored
The depends on PCCARD is redundant. All of the comedi PCMCIA drivers depend on PCMCIA which can only be enabled if PCCARD is enabled. Remove the extra depends check. Signed-off-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Frank Mori Hess <fmhess@users.sourceforge.net> Tested-by:
Randy Dunlap <rdunlap@xenotime.net> Acked-by:
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Lars-Peter Clausen authored
iio_scan_mask_match() returns NULL if the passed in scan mask is empty. This will happen if no channel has been selected and buffer is enabled. iio_sw_buffer_preenable() will assign NULL to indio_dev->active_scan_mask in this case. As a result iio_update_demux() will cause a NULL pointer deref, because it expects active_scan_mask to be non-NULL. Since it does not make much sense to start data capture if there is no data to capture this patch updates the code to fail gracefully in iio_scan_mask_match() instead of crashing the kernel. Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Acked-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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Peter Meerwald authored
Signed-off-by:
Peter Meerwald <pmeerw@pmeerw.net> Acked-by:
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Peter Meerwald authored
typos in comments, fix ring_sw module description Signed-off-by:
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Peter Meerwald authored
IIO_ALTVOLTAGE is used by frequency/adf4350 and frequency/ad9523 Signed-off-by:
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Peter Meerwald authored
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Peter Meerwald authored
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Peter Meerwald authored
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Lars-Peter Clausen authored
None of these drivers ever schedule any work, so there is no need to flush any scheduled work when the driver is removed. Signed-off-by:
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Peter Meerwald authored
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Lars-Peter Clausen authored
The ADIS163xx variants use a different register address for the auxiliary ADC channel than the ADIS16400. This patch fixes them to use the correct address. Signed-off-by:
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Lars-Peter Clausen authored
The channel spec for ADUS16334's temperature channel uses the address and scan index for the Z-axis acceleration channel. This patch fixes it to use the temperature channel address and scan index instead. Signed-off-by:
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Lars-Peter Clausen authored
The ADIS16300 uses the same address for the temperature register as the ADIS16350 and not the same as the ADIS16400. Signed-off-by:
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Lars-Peter Clausen authored
In the current driver ROLL_OUT register address is the same as the PITCH_OUT register address. This patch fixes it to use the correct address. Signed-off-by:
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Axel Lin authored
Signed-off-by:
Axel Lin <axel.lin@gmail.com> Acked-by:
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Leed Aguilar authored
Removed the following sparse warning: In function 'adis16080_read_raw': warning: 'ut' may be used uninitialized in this function Signed-off-by:
Leed Aguilar <leed.aguilar@ti.com> Acked-by:
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H Hartley Sweeten authored
The PDEBUG macro is used to output a bunch of debug messages in the driver. These messages might be useful when first creating the driver but they shouldn't be in mainline. Remove it. Signed-off-by:
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H Hartley Sweeten authored
The ISR_PDEBUG macro is used to output trace messages in the isr routine. This shouldn't be in a mainline driver. Remove it. Signed-off-by:
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H Hartley Sweeten authored
With the PORT_PDEBUG macro remove we can now remove the inline port io wrappers. Signed-off-by:
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H Hartley Sweeten authored
The PORT_PDEBUG macro is used to output the result of every port io operation. This shouldn't be in a mainline driver. Remove it. Signed-off-by:
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H Hartley Sweeten authored
The CALL_PDEBUG macro is used to do function tracing in the driver. There are better ways to do this. Remove it. Signed-off-by:
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H Hartley Sweeten authored
The PCL812_EXTDEBUG define enables a bunch of function tracing debug messages as well as a dump of the comedi_cmd info during the cmdtest. There are better ways to do the function tracing and the cmdtest dump shouldn't be in the driver. Just remove all of it. Signed-off-by:
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H Hartley Sweeten authored
The step 2 tests to make sure that the triggers are unique is not needed for single source triggers. These were already trivially validated in step 1. Signed-off-by:
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H Hartley Sweeten authored
The step 2 tests of the start_src, scan_begin_src, and scan_end_src triggers to make sure they are unique are not needed. These triggers all only have one source and it was trivially validated in step 1. Signed-off-by:
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H Hartley Sweeten authored
The step 2 tests of the start_src, scan_begin_src, and scan_end_src triggers to make sure they are unique are not needed. These triggers all only have one source and it was trivially validated in step 1. Signed-off-by:
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H Hartley Sweeten authored
These printk's are #ifdef'ed out with an undefined symbol anyway. Just remove them. Signed-off-by:
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Sasha Levin authored
Currently the amount of pools each client can use is limited to 16, this is and arbitrary limit which isn't really required by current implementation. This places and arbitrary limit on the number of mounted filesystems that can use cleancache. This patch removes that limit and uses IDR to do sparse mapping of pools in each client. Signed-off-by:
Sasha Levin <levinsasha928@gmail.com> Signed-off-by:
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- 14 Jun, 2012 11 commits
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Bart Westgeest authored
Changed setting the status bits to a byte-oriented approach. Number of written status bits is now based on VHCI_NPORT, instead of casting status buffer to a long. This fixes a stack corruption bug on 64-bit based architectures, and potential byte order / endianness related issues. In addition updated function comments, and log statements. Signed-off-by:
Bart Westgeest <bart@elbrys.com> Signed-off-by:
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Seth Jennings authored
This patch fixes an uninitialized variable warning in alloc_zspage(). It also fixes the secondary issue of prev_page leaving scope on each loop iteration. The only reason this ever worked was because prev_page was occupying the same space on the stack on each iteration. Signed-off-by:
Seth Jennings <sjenning@linux.vnet.ibm.com> Reported-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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H Hartley Sweeten authored
Add whitespace to the _8255_* defines to improve readability. Signed-off-by:
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H Hartley Sweeten authored
The name 'do_config' is pretty generic, and this function is the only one in this driver without namespace. Add namespace to it just to avoid any issues. Signed-off-by:
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H Hartley Sweeten authored
The subdev_8255_interrupt function indirectly calls subdev_8255_io. For aesthetic reasons, move the subdev_8255_io function. Signed-off-by:
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H Hartley Sweeten authored
Refactor the subdev_8255_insn function to follow what the user space library is doing. 1) This function requires 'data' to contain 2 parameters. Add a sanity check for this (insn->n != 2). 2) The 'data' parameters are actually a 'mask' of the valid bits and the actual 'bits' to modify. Create local variables of these names to help with maintainability. 3) The value returned in data[1] reflects the actual state of the 8255 io pins after the update of the masked bits. Fetch this data in a local variable and then set data[1]. 4) The user space library only checks for a < 0 return to indicate an error. It appears that the 'return 2' in this function is supposed to indicate the number of data parameters used to perform the command. Return the insn->n value for this, the open coded '2' looks wrong. Signed-off-by:
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H Hartley Sweeten authored
To improve readability, use a locale variable to hold the 8255's private iobase value. Signed-off-by:
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H Hartley Sweeten authored
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H Hartley Sweeten authored
The initialization of the 8255 subdevice can fail. Make sure to check for it. Signed-off-by:
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H Hartley Sweeten authored
The have_irq variable in the 8255 private data is not used by the driver, remove it. This removes the need to access the private data in the subdev_8255_init_irq function. Also, add a bit of whitespace to improve the readability. Signed-off-by:
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H Hartley Sweeten authored
Refactor the initialization of the 8255 so that the private data allocation is done before the subdevice is setup. This makes sure that the setup is complete. Also, add a bit of whitespace to improve the readability. Signed-off-by:
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