Kconfig fixes and vb2 regression fixes

Hi Mauro,

The first two patches fix some Kconfig dependencies and the second two patches fix regressions introduced in vb2 in 3.14.

They were found by v4l2-compliance and tested very well.

Regards,

Hans

The following changes since commit 37e59f876bc710d67a30b660826a5e83e07101ce:

[media, edac] Change my email address (2014-02-07 08:03:07 -0200)

are available in the git repository at:

git://linuxtv.org/hverkuil/media_tree.git for-v3.14e

for you to fetch changes up to e1b326e45d7e935be8ece34ef87a0549d1b13789:

vb2: fix PREPARE_BUF regression. (2014-02-21 08:37:17 +0100)

----------------------------------------------------------------
Hans Verkuil (4):
si4713: fix Kconfig dependencies
saa6752hs: depends on CRC32
vb2: fix read/write regression
vb2: fix PREPARE_BUF regression.

 drivers/media/i2c/Kconfig                |  1 +
 drivers/media/radio/si4713/Kconfig       |  6 +++---
 drivers/media/v4l2-core/videobuf2-core.c | 54 ++++++++++++++++++++++++++++++++++++++++++------------
 3 files changed, 46 insertions(+), 15 deletions(-)