Hi Jonathan, I can't seem to find a proper way to apply this patchset. On what patchset is it based ? I'm still here with what seems to be a rather old version of your tree (3413ec), but it is still the head of your git tree on kernel.org. Thanks, Maxime On 05/12/2011 22:37, Jonathan Cameron wrote: > Hi Greg, > > The v3 here is just to indicate a tiny change suggested by > Lars-Peter from the version that has been out for review on > linux-iio. (Using ALIGN instead of hand rolling in one case > in patch 4). Anyhow, not worth putting out for another review > as Lars-Peter has tested and acked without it anyway. > > Technically Lars-Peter only acked patches 4 and 5 but they > are the important ones (the others being trivial or tied > up with the max1363 driver which is one of mine..) > > This set introduces the an optional demultiplexer into the > path of data form devices to buffers. It is a necessary step > on the path to in kernel push interfaces (trigger driven ones). > Also rather useful on it's own as shown by the max1363 patches > and some uses Lars-Peter has made of it in another series. > > Anyhow fair bit more to come so time to send these on to you! > > Thanks, > > Jonathan > > v2 text: > Hi All, > > New version of this series. Two changes as per Lars-Peter's > suggestions. ALIGN macro usage in patch 4 and one of the two > for each bit set suggestions. The second is subtly different > as it is finding bits after a certain point rather than from > the start. > > As explained in patch 5 discussion, I personally feel that > the demux should occur prior to the buffer and avoiding the > extra copy should be done by allowing buffers to provide > callbacks for reserving (plus getting access to) space and > notifying that they are done filling it. Either way, now > is not the time to do this change. Too much else going on! > > v1 text: > The last patch technically is a simple bug fix, but included here as > it came up during testing of this series. > > The 'interesting' bits are the rewrite of iio_sw_buffer_preenable. I'd like > people with drivers currently using that function to test and see what > I have broken. We should also be able to drop a number of cases in specific > drivers in favour of this version. > > The demux unit is designed to offer a straight path with little or no > overhead if the client (here still the IIO buffer) needs all the data and to > only get in the way when a subset of the active scan mask is requested. > > I may well have messed this up so please please test this set. > > > Jonathan Cameron (7): > staging:iio:find iio channel from scan index util function > staging:iio:buffer add a cache of the timestamp scan index. > staging:iio: add hook to allow core to perform scan related config. > staging:iio: make iio_sw_buffer_preenable much more general. > staging:iio: add demux optionally to path from device to buffer > staging:iio:adc:max1363 use new demuxing support. > staging:iio:adc:max1363 correctly set channels as big endian. > > drivers/staging/iio/adc/max1363.h | 11 ++- > drivers/staging/iio/adc/max1363_core.c | 18 ++- > drivers/staging/iio/adc/max1363_ring.c | 51 ++----- > drivers/staging/iio/buffer.h | 16 ++ > drivers/staging/iio/iio.h | 13 ++- > drivers/staging/iio/industrialio-buffer.c | 212 +++++++++++++++++++++++++---- > drivers/staging/iio/industrialio-core.c | 11 ++ > 7 files changed, 259 insertions(+), 73 deletions(-) > -- Maxime Ripard, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html