xhci: tegra: add firmware logging capability
authorJC Kuo <jckuo@nvidia.com>
Thu, 20 Jun 2013 11:31:31 +0000 (19:31 +0800)
committerDan Willemsen <dwillemsen@nvidia.com>
Sat, 14 Sep 2013 20:30:12 +0000 (13:30 -0700)
commitb051336c3b671fa48b6898cf7f0d7c19a69056c2
tree6d71817fad8df8b0f670291c91aa1a82f43e011f
parent1719d7adc72f6e585bd7342cb7f1de7f474ab9d6
xhci: tegra: add firmware logging capability

This commit
1) enables firmware logging
2) reads and saves firmware log in driver buffer
3) exports firmware log via debugfs (/sys/kernel/debug/tegra_xhci/firmware_log)

bug 1301420

Change-Id: Ib59dac9ae746308451257872ec968cea4a30f4c0
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Reviewed-on: http://git-master/r/240618
Reviewed-on: http://git-master/r/245647
Reviewed-by: Chao Xu <cxu@nvidia.com>
drivers/usb/host/xhci-tegra.c