video: tegra: dc: correct dc initialisation sequence

-Move _tegra_dc_enable to before irq_request and remove
 disable_dc_irq.
-It will remove warning of "IRQ when DC not powered!".

Bug 955184

Change-Id: If9b039f3f1635d92f10bfc54af08101972fc3d57
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-on: http://git-master/r/101498
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
video: tegra: dc: remove obsolete IRQF_DISABLED

Bug 955184

Change-Id: I7ac0a290c2b6acd454de05d094bd676b88f4b476
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-on: http://git-master/r/101546
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
tty: serial: tegra: Fix section mismatch warnings

Fix section mismatch warnings derived from
tegra_uart_platform_driver.

Bug 984436

Change-Id: Iec737f28b0a7ce3ae521ad788e6ca5a101675c52
Signed-off-by: Pradeep Kumar <pgoudagunta@nvidia.com>
Reviewed-on: http://git-master/r/102237
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
arm: tegra: pm269: update sh532u config

bug 980184

Change-Id: I376a62ada8f7e825693a4cdd87942edaa92b8fc4
Signed-off-by: Charlie Huang <chahuang@nvidia.com>
Reviewed-on: http://git-master/r/102309
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
ARM: tegra3: defconfig: enable TPS6238X0

Enable TPS6238X0 voltage regulator chip.

Bug 981330

Change-Id: I0d4207543cd2d2c1b2977536ea7299b5b65fc600
Signed-off-by: Pradeep Kumar <pgoudagunta@nvidia.com>
Reviewed-on: http://git-master/r/102588
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>