[PATCH V4 0/4] input: keyboard: tegra: cleanups and DT supports

This patch series:
 - fix build warning,
 - use devm_* for allocation,
 - make column/rows configuration through DT and 
 - remove the rarely used  key mapping table.

Changes from V1:
- renames the rows and pins property array.
- nit cleanups.

Changes from V2:
- remove the error checks changes from original.
- return -EBUSY when reg mapping fail.
- remove unregister_input_device() devm_* version is used.
- Pass correct argument in free_irq.

Changes from V3:
- use devm_request_irq() and remove the kbc_remove() callback.

Laxman Dewangan (4):
  input: keyboard: tegra: fix build warning
  input: keyboard: tegra: use devm_* for resource allocation
  input: keyboard: tegra: add support for rows/cols configuration from
    dt
  input: keyboard: tegra: remove default key mapping

 .../bindings/input/nvidia,tegra20-kbc.txt          |   22 ++
 drivers/input/keyboard/tegra-kbc.c                 |  345 ++++++--------------
 2 files changed, 118 insertions(+), 249 deletions(-)