mtip32xx: add trim support and couple of fixes

This patch series contain changes for trim support and couple of fixes

Asai Thambi S P (3):
mtip32xx: add trim support
mtip32xx: fix for driver hang after a command timeout
mtip32xx: fix for crash when the device surprise removed during
rebuild

 drivers/block/mtip32xx/mtip32xx.c |  120 +++++++++++++++++++++++++++++++++++--
 drivers/block/mtip32xx/mtip32xx.h |   18 ++++++
 2 files changed, 132 insertions(+), 6 deletions(-)

Thanks. I will apply 1/3 to the 3.9 branch, and 2-3/3 to the 3.8 for-linus branch.

Jens Axboe