]> Pileus Git - ~andy/linux/commit
ARM: OMAP4+: hwmod data: Don't prevent RESET of USB Host module
authorRoger Quadros <rogerq@ti.com>
Tue, 3 Dec 2013 14:25:46 +0000 (16:25 +0200)
committerPaul Walmsley <paul@pwsan.com>
Mon, 9 Dec 2013 10:02:33 +0000 (03:02 -0700)
commitb483a4a5a7117ac7d21397770d5adb458c157dbe
tree56b6ebe9da14c718784086dcf580139005ba30a2
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae
ARM: OMAP4+: hwmod data: Don't prevent RESET of USB Host module

Without this, the USB devices are sometimes not detected on OMAP4 Panda
with u-boot v2013.10.

Unlike what the comment states, errata i660 does not state that we
can't RESET the USB host module. Instead it states that RESET is the
only way to recover from a deadlock situation.

RESET ensures that the module is in a known good state irrespective
of what bootloader does with the module, so it must be done at boot.

Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> # Panda, BeagleXM
Acked-by: BenoƮt Cousson <bcousson@baylibre.com>
Fixes: af88fa9aa77c ("ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP4")
Signed-off-by: Paul Walmsley <paul@pwsan.com>
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
arch/arm/mach-omap2/omap_hwmod_54xx_data.c