linux-toradex.git/drivers/media/dvb/frontends/dib7000m.c, branch v3.2.39

[media] DiBcom: protect the I2C bufer access

2011-08-06T12:25:15+00:00

This patch protects the I2C buffer access in order to manage concurrent
access. This protection is done using mutex.
Furthermore, for the dib9000, if a pid filtering command is
received during the tuning, this pid filtering command is delayed to
avoid any concurrent access issue.

Cc: Mauro Carvalho Chehab 
Cc: Florian Mickler 
Cc: stable@kernel.org
Signed-off-by: Olivier Grenie 
Signed-off-by: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab

[media] DiBxxxx: get rid of DMA buffer on stack

2011-05-20T12:30:52+00:00

This patch removes the remaining on-stack buffer for USB DMA transfer.
This patch also reduces the stack memory usage.

Cc: stable@kernel.org
Cc: Florian Mickler 
Signed-off-by: Olivier Grenie 
Signed-off-by: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab

[media] DiB7000M: add pid filtering

2011-03-02T16:45:12+00:00

This patch adds the pid filtering for the dib7000M demod. It also
corrects the pid filtering for the dib7700 based board. It should
prevent an oops, when using dib7700p based board.

References: https://bugzilla.novell.com/show_bug.cgi?id=644807

Signed-off-by: Olivier Grenie 
Signed-off-by: Patrick Boettcher 
Tested-by: Pavel SKARKA 
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab

[media] dib7000m/dib7000p: Add support for TRANSMISSION_MODE_4K

2010-12-29T10:17:13+00:00

Fixes several warnings:

drivers/media/dvb/frontends/dib7000m.c: In function ‘dib7000m_set_channel’:
drivers/media/dvb/frontends/dib7000m.c:808:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000m.c:869:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000m.c: In function ‘dib7000m_tune’:
drivers/media/dvb/frontends/dib7000m.c:1023:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000m.c:1033:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000m.c:1043:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000p.c: In function ‘dib7000p_set_channel’:
drivers/media/dvb/frontends/dib7000p.c:720:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000p.c:773:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000p.c: In function ‘dib7000p_tune’:
drivers/media/dvb/frontends/dib7000p.c:997:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000p.c:1007:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’
drivers/media/dvb/frontends/dib7000p.c:1017:3: warning: case value ‘255’ not in enumerated type ‘fe_transmit_mode_t’

The drivers were prepared to support 4K carriers, but as the define were added
later, they were using a "magic" value of 255.

Cc: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30T13:02:32+00:00

percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files.  percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.

percpu.h -> slab.h dependency is about to be removed.  Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability.  As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.

  http://userweb.kernel.org/~tj/misc/slabh-sweep.py

The script does the followings.

* Scan files for gfp and slab usages and update includes such that
  only the necessary includes are there.  ie. if only gfp is used,
  gfp.h, if slab is used, slab.h.

* When the script inserts a new include, it looks at the include
  blocks and try to put the new include such that its order conforms
  to its surrounding.  It's put in the include block which contains
  core kernel includes, in the same order that the rest are ordered -
  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
  doesn't seem to be any matching order.

* If the script can't find a place to put a new include (mostly
  because the file doesn't have fitting include block), it prints out
  an error message indicating which .h file needs to be added to the
  file.

The conversion was done in the following steps.

1. The initial automatic conversion of all .c files updated slightly
   over 4000 files, deleting around 700 includes and adding ~480 gfp.h
   and ~3000 slab.h inclusions.  The script emitted errors for ~400
   files.

2. Each error was manually checked.  Some didn't need the inclusion,
   some needed manual addition while adding it to implementation .h or
   embedding .c file was more appropriate for others.  This step added
   inclusions to around 150 files.

3. The script was run again and the output was compared to the edits
   from #2 to make sure no file was left behind.

4. Several build tests were done and a couple of problems were fixed.
   e.g. lib/decompress_*.c used malloc/free() wrappers around slab
   APIs requiring slab.h to be added manually.

5. The script was run on all .h files but without automatically
   editing them as sprinkling gfp.h and slab.h inclusions around .h
   files could easily lead to inclusion dependency hell.  Most gfp.h
   inclusion directives were ignored as stuff from gfp.h was usually
   wildly available and often used in preprocessor macros.  Each
   slab.h inclusion directive was examined and added manually as
   necessary.

6. percpu.h was updated not to include slab.h.

7. Build test were done on the following configurations and failures
   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
   distributed build env didn't work with gcov compiles) and a few
   more options had to be turned off depending on archs to make things
   build (like ipr on powerpc/64 which failed due to missing writeq).

   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
   * powerpc and powerpc64 SMP allmodconfig
   * sparc and sparc64 SMP allmodconfig
   * ia64 SMP allmodconfig
   * s390 SMP allmodconfig
   * alpha SMP allmodconfig
   * um on x86_64 SMP allmodconfig

8. percpu.h modifications were reverted so that it could be applied as
   a separate patch and serve as bisection point.

Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.

Signed-off-by: Tejun Heo 
Guess-its-ok-by: Christoph Lameter 
Cc: Ingo Molnar 
Cc: Lee Schermerhorn

V4L/DVB (8946): dib7000m: fix powerpc build error

2008-10-12T11:37:00+00:00

The dib7000m_i2c_enumeration() function is not used by any public drivers,
however some prototype board use it. So '#if 0' for now, but don't remove it.

Thanks to Patrick Boettcher for clarifying this.

Cc: Patrick Boettcher 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

V4L/DVB (8906): v4l-dvb: fix assorted sparse warnings

2008-10-12T11:36:58+00:00

Fix sparse warnings. None are serious, but cutting down on these helps find
future serious sparse warnings/errors.

Redid the av7710.c patch based on a suggestion by Oliver Endriss.

Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

V4L/DVB (7070): Fix some tuning problems

2008-01-25T21:05:17+00:00

The attached patch solves all my vdr tuning problems on a dib7000p
nova-t stick as far as I could check within the last weekend.

It disables streaming while tuning, like that the number of faulty TS
packets is reduced.

Signed-off-by: Soeren Moch 
Signed-off-by: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab

V4L/DVB (5961): Fix support for DiB7000M-devices

2007-10-10T01:03:57+00:00

Forgot to initialize the timf_default field.

Signed-off-by: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab

V4L/DVB (5955): Add support for DiB7070-based devices

2007-10-10T01:03:44+00:00

This changeset adds support for DiB7070P-based devices by adding the
dib0070-driver and putting the appropriate layouts into
dib0700_devices.c

It also includes a new firmware for the dib0700 which is necessary to
make the DiB7070-boards work and it also should fix the i2c-problems
on some boards.

Signed-off-by: Jean-Philippe Sibers 
Signed-off-by: Patrick Boettcher 
Signed-off-by: Mauro Carvalho Chehab