linux-toradex.git/drivers/i2c, branch tegra-11.2.9 Linux kernel for Apalis and Colibri modules i2c: buses: tegra: assign unused address to i2c slave 2011-04-05T00:59:06+00:00 Nitin Kumbhar nkumbhar@nvidia.com 2011-04-01T14:08:30+00:00 bdf0b4ce59907edd0523c5fb29a02e53a8e66a13 New i2c slave should be configured with a non-zero i2c address. Configure i2c slave with an i2c address assigned by platform data for an i2c dev. BUG 788286 Reviewed-on: http://git-master/r/25100 (cherry picked from commit e6e0610c72ffce3b734e079faf88fad3f0468d07) Change-Id: I440aa2cc72007d2835b2027c0b26089d0aad9263 Reviewed-on: http://git-master/r/25223 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Tested-by: Bharat Nihalani <bnihalani@nvidia.com> 
New i2c slave should be configured with a non-zero i2c address.
Configure i2c slave with an i2c address assigned by platform
data for an i2c dev.

BUG 788286

Reviewed-on: http://git-master/r/25100
(cherry picked from commit e6e0610c72ffce3b734e079faf88fad3f0468d07)

Change-Id: I440aa2cc72007d2835b2027c0b26089d0aad9263
Reviewed-on: http://git-master/r/25223
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
i2c: buses: tegra: use new cam_i2c slave controller 2011-03-26T00:09:08+00:00 Nitin Kumbhar nkumbhar@nvidia.com 2011-03-25T09:16:28+00:00 b42cce8710bef378af433b7f06a8501128fc1a87 Use new cam_i2c slave (i2c2) instead of the legacy one. With old i2c slave controller, occasionally it generates spurious slave interrupts causing disruptions in i2c transfers. BUG 790315 Reviewed-on: http://git-master/r/24287 (cherry picked from commit 001805e9036b647e9a1220f2b50e8973ec28e917) Change-Id: Icd5310286de0338a4458c26a8d491bcded032b03 Reviewed-on: http://git-master/r/24294 Tested-by: Nitin Kumbhar <nkumbhar@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
Use new cam_i2c slave (i2c2) instead of the legacy one.
With old i2c slave controller, occasionally it generates
spurious slave interrupts causing disruptions in i2c transfers.

BUG 790315

Reviewed-on: http://git-master/r/24287
(cherry picked from commit 001805e9036b647e9a1220f2b50e8973ec28e917)

Change-Id: Icd5310286de0338a4458c26a8d491bcded032b03
Reviewed-on: http://git-master/r/24294
Tested-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
i2c: buses: tegra: use new i2c slave controller 2011-03-26T00:08:59+00:00 Nitin Kumbhar nkumbhar@nvidia.com 2011-03-24T10:51:21+00:00 93da32d7e16da64d6d4dd37fb18125ad0be8aa63 tegra2 has an improved new i2c slave controller. This should be used instead of the old i2c slave controller. With old i2c slave controller, occasionally it generates spurious slave interrupts causing disruptions in master i2c transfers. BUG 788286 BUG 804545 Reviewed-on: http://git-master/r/24107 (cherry picked from commit 64a6e1d5a555be1c330de80cfb477563ae061452) Change-Id: Id5d5bd809df4a583a743d84a91aecbb78889a3c6 Reviewed-on: http://git-master/r/24246 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Tested-by: Bharat Nihalani <bnihalani@nvidia.com> 
tegra2 has an improved new i2c slave controller. This should be
used instead of the old i2c slave controller. With old i2c slave
controller, occasionally it generates spurious slave interrupts
causing disruptions in master i2c transfers.

BUG 788286
BUG 804545

Reviewed-on: http://git-master/r/24107
(cherry picked from commit 64a6e1d5a555be1c330de80cfb477563ae061452)

Change-Id: Id5d5bd809df4a583a743d84a91aecbb78889a3c6
Reviewed-on: http://git-master/r/24246
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
i2c-tegra: Using suspend_noirq()/resume_noirq() for suspend/resume. 2011-03-18T23:57:23+00:00 Jubeom Kim jubeomk@nvidia.com 2011-03-17T14:03:07+00:00 8e4f39d9d195facc80d89016806bf45690f4f514 I2C driver needs to be suspended late and resumed early than other drivers. So, I2C driver uses the suspend_noirq/resume_noirq callbacks of struct dev_pm_ops for early/late power management system. Change-Id: Ie2f453b96fb9ab9b16cafec79644fe5d3b982dd3 Reviewed-on: http://git-master/r/23347 Tested-by: Jubeom Kim <jubeomk@nvidia.com> Reviewed-by: Jinyoung Park <jinyoungp@nvidia.com> Reviewed-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-by: Mayuresh Kulkarni <mkulkarni@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
I2C driver needs to be suspended late and resumed early than other drivers.
So, I2C driver uses the suspend_noirq/resume_noirq callbacks of struct dev_pm_ops
for early/late power management system.

Change-Id: Ie2f453b96fb9ab9b16cafec79644fe5d3b982dd3
Reviewed-on: http://git-master/r/23347
Tested-by: Jubeom Kim <jubeomk@nvidia.com>
Reviewed-by: Jinyoung Park <jinyoungp@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-by: Mayuresh Kulkarni <mkulkarni@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
i2c-tegra: Retry transfer when unexpected status is detected 2011-01-29T03:36:49+00:00 Jin Park jinyoungp@nvidia.com 2011-01-19T05:41:42+00:00 6bab778a4b0caf58e464847c827d988a566bd434 Sometimes unexpected status like I2C busy status, Tx FIFO interrupted and wait on Rx data etc is seen. Add a code to detect such conditions and return -EAGAIN from driver. This will cause the i2c-core to retry the transmission as per the retry count and time-out specified by the platform data of the adapter. Bug ID: 777455 Change-Id: Iac5971bca4d760d93cd2ed147f78fc2807315b4e Signed-off-by: Jin Park <jinyoungp@nvidia.com> Reviewed-on: http://git-master/r/16212 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
Sometimes unexpected status like I2C busy status, Tx FIFO interrupted
and wait on Rx data etc is seen. Add a code to detect such conditions
and return -EAGAIN from driver. This will cause the i2c-core to retry
the transmission as per the retry count and time-out specified by the
platform data of the adapter.

Bug ID: 777455

Change-Id: Iac5971bca4d760d93cd2ed147f78fc2807315b4e
Signed-off-by: Jin Park <jinyoungp@nvidia.com>
Reviewed-on: http://git-master/r/16212
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
i2c: tegra: functionality for byte data 2011-01-19T21:28:22+00:00 Prashant Gaikwad pgaikwad@nvidia.com 2011-01-19T12:31:11+00:00 54b38123cfac7aa09b383fb05e57c4d9c842607f ADXL34x expects I2C_FUNC_SMBUS_BYTE_DATA functionality. Bug 780004 Change-Id: I7820050e7b94eec8614bb42bb1a83319a1408203 Reviewed-on: http://git-master/r/16235 Tested-by: Prashant Gaikwad <pgaikwad@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
ADXL34x expects I2C_FUNC_SMBUS_BYTE_DATA functionality.

Bug 780004

Change-Id: I7820050e7b94eec8614bb42bb1a83319a1408203
Reviewed-on: http://git-master/r/16235
Tested-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Revert "i2c: return error if i2c_transfer fails in emulated smbus transfer" 2011-01-05T14:39:01+00:00 Varun Wadekar vwadekar@nvidia.com 2011-01-05T09:20:04+00:00 53baae0673cf441281dafd55dc2307b268eb7184 This reverts commit 2947168d5dfa642cd77ab034fc0bea69382350e2. Change-Id: I494b4f80cbab5db2e573b4f796f827354087c212 Reviewed-on: http://git-master/r/14990 Reviewed-by: Varun Wadekar <vwadekar@nvidia.com> Tested-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Tested-by: Bharat Nihalani <bnihalani@nvidia.com> 
This reverts commit 2947168d5dfa642cd77ab034fc0bea69382350e2.

Change-Id: I494b4f80cbab5db2e573b4f796f827354087c212
Reviewed-on: http://git-master/r/14990
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Tested-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
merging android-tegra-2.6.36 into git-master/linux-2.6/android-tegra-2.6.36 2011-01-05T11:07:40+00:00 Nitin Kumbhar nkumbhar@nvidia.com 2011-01-05T11:07:40+00:00 a4ea288313b4b7d660c830c43623a5a3edf393d6 Change-Id: I5fba2375f84610fda29872d1ea41d82404ee08f6 
Change-Id: I5fba2375f84610fda29872d1ea41d82404ee08f6
i2c: i2c-tegra: Return error code on partial master_xfer transfer 2011-01-04T22:55:39+00:00 Colin Cross ccross@android.com 2010-12-30T05:15:12+00:00 619ec9a64fc0d4e99109f12bd8f30cf0761f1d5d It is unclear what the correct return value is when master_xfer gets an error part way through a set of messages, but other drivers seem to return the error code of the individual failed message instead of the number of successful messages. Convert the Tegra i2c driver to do the same. Change-Id: Iacda4b6d7591bfe644b93564b93356a0cda3134f Signed-off-by: Colin Cross <ccross@android.com> 
It is unclear what the correct return value is when
master_xfer gets an error part way through a set of
messages, but other drivers seem to return the error
code of the individual failed message instead of
the number of successful messages.  Convert the Tegra
i2c driver to do the same.

Change-Id: Iacda4b6d7591bfe644b93564b93356a0cda3134f
Signed-off-by: Colin Cross <ccross@android.com>
merging android-tegra-2.6.36 into git-master/linux-2.6/android-tegra-2.6.36 2010-12-23T09:28:35+00:00 Nitin Kumbhar nkumbhar@nvidia.com 2010-12-23T09:28:35+00:00 96a476b53360de76f20774122111f031be9ac9c2 Conflicts: arch/arm/mach-tegra/board-ventana-power.c drivers/mfd/tps6586x.c Change-Id: Ic8c46d4251d6e71fa2900b7e876f87e256299bc4 
Conflicts:
	arch/arm/mach-tegra/board-ventana-power.c
	drivers/mfd/tps6586x.c

Change-Id: Ic8c46d4251d6e71fa2900b7e876f87e256299bc4