Re: [PATCH 00/12] DDBridge 0.9.10 driver updates

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Em Sun, 03 Nov 2013 13:46:01 +0100
Maik Broemme <mbroemme@xxxxxxxxxxxxx> escreveu:

> Hi Mauro,
> 
> Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx> wrote:
> > Em Sun, 3 Nov 2013 01:22:35 +0100
> > Maik Broemme <mbroemme@xxxxxxxxxxxxx> escreveu:
> > 
> > > I've updated the current DDBridge to latest version 0.9.10 from Ralph
> > > Metzler available at:
> > > 
> > > http://www.metzlerbros.de/dddvb/dddvb-0.9.10.tar.bz2
> > > 
> > > I've merged the driver to work with current v4l/dvb tree and I will
> > > maintain the driver for v4l/dvb in future. 
> > 
> > Works for me.
> > 
> > > The coming patch series is
> > > the first version and I explicitly want to get feedback and hints if
> > > some parts are merged at wrong places, etc... The following changes
> > > were made:
> > > 
> > >   - MSI enabled by default (some issues left with i2c timeouts)
> > >   - no support for Digital Devices Octonet
> > >   - no support for DVB Netstream
> > >   - removed unused module parameters 'tt' and 'vlan' (used by Octonet)
> > >   - removed unused registers to cleanup code (might be added later again
> > >     if needed)
> > 
> > Be sure to not remove any feature that are currently needed for the
> > already supported devices to work.
> 
> Of course I won't do. The Octonet and DVB Netstream weren't supported in
> current driver. MSI is already supported but was not enabled by default
> because the old 0.5 version currently in kernel had some problems with
> it. However new one works fine with MSI - at least for me I'm using the
> patchset myself already - but needs some further testing.

Ok. From the above, it sounded that some features got disabled. Please
make it clearer on the next patchset (and move/copy this kind of
description to the ddbridge patches).

With regards to MSI, we may use a quirk to disable (or enable) support
for it, on devices where this is know to have troubles.

> 
> > > 
> > > The following devices are supported by the driver update:
> > > 
> > >   - Octopus DVB adapter
> > >   - Octopus V3 DVB adapter
> > >   - Octopus LE DVB adapter
> > >   - Octopus OEM
> > >   - Octopus Mini
> > >   - Cine S2 V6 DVB adapter
> > >   - Cine S2 V6.5 DVB adapter
> > >   - Octopus CI
> > >   - Octopus CI single
> > >   - DVBCT V6.1 DVB adapter
> > >   - DVB-C modulator
> > >   - SaTiX-S2 V3 DVB adapter
> > > 
> > > I might merge the Octonet and DVB Netstream drivers from Ralphs source
> > > later once the current committed DDBridge driver updates are merged in
> > > mainline.
> > > 
> > > Signed-off-by: Maik Broemme <mbroemme@xxxxxxxxxxxxx>
> > > 
> > > Maik Broemme (12):
> > >   dvb-frontends: Support for DVB-C2 to DVB frontends
> > >   tda18271c2dd: Fix description of NXP TDA18271C2 silicon tuner
> > >   stv0367dd: Support for STV 0367 DVB-C/T (DD) demodulator
> > >   tda18212dd: Support for NXP TDA18212 (DD) silicon tuner
> > >   cxd2843: Support for CXD2843ER demodulator for DVB-T/T2/C/C2
> > >   dvb-core: export dvb_usercopy and new DVB device constants
> > >   ddbridge: Updated ddbridge registers
> > >   ddbridge: Moved i2c interfaces into separate file
> > >   ddbridge: Support for the Digital Devices Resi DVB-C Modulator card
> > >   ddbridge: Update ddbridge driver to version 0.9.10
> > >   ddbridge: Update ddbridge header for 0.9.10 changes
> > >   ddbridge: Kconfig and Makefile fixes to build latest ddbridge
> > > 
> > >  drivers/media/dvb-core/dvbdev.c              |    1 
> > >  drivers/media/dvb-core/dvbdev.h              |    2 
> > >  drivers/media/dvb-frontends/Kconfig          |   31 
> > >  drivers/media/dvb-frontends/Makefile         |    3 
> > >  drivers/media/dvb-frontends/cxd2843.c        | 1647 ++++++++++++
> > >  drivers/media/dvb-frontends/cxd2843.h        |   47 
> > >  drivers/media/dvb-frontends/stv0367dd.c      | 2329 ++++++++++++++++++
> > >  drivers/media/dvb-frontends/stv0367dd.h      |   48 
> > >  drivers/media/dvb-frontends/stv0367dd_regs.h | 3442 +++++++++++++++++++++++++++
> > >  drivers/media/dvb-frontends/tda18212dd.c     |  934 +++++++
> > >  drivers/media/dvb-frontends/tda18212dd.h     |   37 
> > >  drivers/media/pci/ddbridge/Kconfig           |   21 
> > >  drivers/media/pci/ddbridge/Makefile          |    2 
> > >  drivers/media/pci/ddbridge/ddbridge-core.c   | 3085 +++++++++++++++++-------
> > >  drivers/media/pci/ddbridge/ddbridge-i2c.c    |  239 +
> > >  drivers/media/pci/ddbridge/ddbridge-mod.c    | 1033 ++++++++
> > >  drivers/media/pci/ddbridge/ddbridge-regs.h   |  273 +-
> > >  drivers/media/pci/ddbridge/ddbridge.h        |  408 ++-
> > >  include/uapi/linux/dvb/frontend.h            |    1 
> > >  19 files changed, 12555 insertions(+), 1028 deletions(-)
> > > 
> > > --Maik
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-media" in
> > > the body of a message to majordomo@xxxxxxxxxxxxxxx
> > > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > 
> > Thanks for your submission.
> > 
> > I'm seeing this entire patch series as an RFC. There are simply too much
> > changes required for us to be able to do a more detailed review on it.
> > 
> 
> Many thanks for the feedback.
> 
> > Please do the pointed changes, in special:
> > 
> > 	- Don't let any patch to break compilation;
> > 
> > 	- Please verify the Documentation/CodingStyle and check it with
> > 		./scripts/checkpatch.pl;
> > 
> > 	- Please discuss on a separate thread the API changes for CI,
> > 	  modulator and DVB-C2;
> > 
> > 	- Please try to break the ddbridge changes into one change per
> > 	  patch. If not possible, please try to at least break them more,
> > 	  to help us to review the changes;
> > 
> > 	- Please don't duplicate existing drivers without a very very good
> > 	  reason.
> > 
> 
> I will address the concerns with re-submission of the patches. Most
> probably it is worth to split the patchset a bit. The CXD2843
> demodulator can also be used by other drivers so I will address your
> feedback on this driver first and re-submit. Once it is fine I will
> re-send changes for ddbridge. Hope it is a good approach. :)

Works for me.
> 
> > Thanks!
> > Mauro
> 
> --Maik


-- 

Cheers,
Mauro
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