xhci: tegra: WAR for utmi bias pd bit
authorJC Kuo <jckuo@nvidia.com>
Wed, 30 Jan 2013 07:12:10 +0000 (15:12 +0800)
committerRiham Haidar <rhaidar@nvidia.com>
Sat, 2 Feb 2013 02:37:25 +0000 (18:37 -0800)
commit55dd8c7bf186f1e15278522e551901b2c506fe5c
treeff97a4237ae440e6a5e39e98568b5bc2403e52c8
parentb70c83d0c933419f8e7f09f3139a275702c6b0d3
xhci: tegra: WAR for utmi bias pd bit

This is a workaround for utmi bias pad power down bit setting.
BIAS_PD bit of UTMIP_BIAS_CFG0 register has to be cleared if xusb
owns any of the utmi ports.

Bug 1167876

Change-Id: I0cfae12c516ec7bb10b3e13a8dc7c526c2294551
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Reviewed-on: http://git-master/r/196024
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Ajay Gupta <ajayg@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: Henry Lin <henryl@nvidia.com>
GVS: Gerrit_Virtual_Submit
drivers/usb/host/xhci-tegra.c