- Nov 05, 2012
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Federico Vaga authored
Signed-off-by:
Federico Vaga <federico.vaga@gmail.com> Acked-by:
Alessandro Rubini <rubini@gnudd.com>
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
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Federico Vaga authored
This function can be used outside the ZIO core. At the moment there are not driver which use this function, but it can be useful in the future. Signed-off-by:
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Federico Vaga authored
This function can be used outside the ZIO core (e.g. AD788x driver). A driver can be interested to know how many channel are active during an acquisition to allocate the proper buffer/structure Signed-off-by:
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- Nov 04, 2012
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This is more in line with current kernel practices. We do not use zio_ here because the context is always clear when this macro is used. Signed-off-by:
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- Nov 03, 2012
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Federico Vaga authored
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Federico Vaga authored
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- Nov 01, 2012
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Alessandro Rubini authored
Changes attribute print-out to only show attributes that are defined (using the mask). Show them as both decimal and hex. All lines are grep-friendly, as the used to be. You can grep for "Ctrl:" or "Data:" or specific attributes. Example (with "-a"): Ctrl: version 0.7, trigger user, dev zloop-0000, cset 1, chan 1 Ctrl: seq 18, n 16, size 1, bits 8, flags 01000001 (little-endian) Ctrl: stamp 1351773544.171337188 (0) Ctrl: trigger-std-mask: 0x0002 Ctrl: trigger-std-1 0x00000010 16 Data: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 For those who, sometimes, want to see all attributes, even when the mask is zero, there is the "-A" option. Signed-off-by:
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Alessandro Rubini authored
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Alessandro Rubini authored
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Alessandro Rubini authored
So the inline that followed is in the right place Signed-off-by:
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- Oct 31, 2012
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Alessandro Rubini authored
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Alessandro Rubini authored
This is a potentially incompatible change: if your driver fills attributes in the input block at raw_io() time, it won't work any more. You should fill chan->current_ctrl instead, which will be visible as a binary blob in sysfs soon. Moving the memcpy() to a later point doesn't change overhead. Signed-off-by:
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- Oct 29, 2012
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If a driver module registerscreate its own preferred trigger or buffer, we can't increment its own use count, or we won't be able to unload the module. This patch resolves the issue. Now the ZIO core doesn't increment the use counter of the trigger or buffer, if it's owned by the device. Signed-off-by:
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Alessandro Rubini authored
By copying ti->tstamp to the control at a later time, we support devices that use an internal time stamp (e.g: white rabbit). Signed-off-by:
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Alessandro Rubini authored
If the user changes the buffer size, this might make more space for a sleeping writer. Similarly, the buffer may be fuller than the new value after a change, so we check for ">= limit" and not "== limit". This doesn't apply to the vmalloc buffer, that currently doesn't allow a size change. Signed-off-by:
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Alessandro Rubini authored
buffer->store_block calls trigger->push_block when it receives the first block. The trigger user fires directly , and if the device accepts the data immediately, our data_done() will retr_block from the buffer. This happens with zio-zero, cset 1, and leads to a deadlock. To allow immediate success of push_block down to device level, release the lock before calling push_block. The code here also handles pathologic situations like two processes storing at the same time. Signed-off-by:
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- Oct 26, 2012
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Federico Vaga authored
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Federico Vaga authored
It is difficult to support a board which has pre-samples and post-samples registers and synchronize these value with the nsamples zio_attribute and control field. But, it is really simple for board that hasn't pre and post samples to use these two attributes because they can use only one attribute for their purpose (only pre-sample or only post-sample). Signed-off-by:
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- Sep 04, 2012
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Federico Vaga authored
Do not use device->id attribute but define our zio_device->dev_id attribute. This allow ZIO to run on kernel older than 3.2 Signed-off-by:
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- Aug 29, 2012
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Federico Vaga authored
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- Aug 21, 2012
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Federico Vaga authored
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The core now use "hw" instead of "hwdev" as prefix for the fake zio_device, and no-prefix for the real zio_device. Signed-off-by:
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Alessandro Rubini authored
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Alessandro Rubini authored
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Alessandro Rubini authored
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