On Tue, Jun 28, 2011 at 3:34 AM, Kevin Hilman <khilman@xxxxxx> wrote: > "Munegowda, Keshava" <keshava_mgowda@xxxxxx> writes: > >> On Fri, Jun 24, 2011 at 2:31 AM, Jassi Brar <jassisinghbrar@xxxxxxxxx> wrote: >>> The commit >>> 7e6502d577106fb5b202bbaac64c5f1b065 'mfd: Add omap-usbhs runtime PM support' >>> besides moving to RPM, removes necessary TLL initialization as well. >>> >>> Restore the TLL initialization, without which device detection fails. >>> >>> Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx> > > [...] > >> if you move to RPM, you should'tn access these configuration/reset >> registers in your driver. > > Yes, but Jaswinder's changelog clearly shows that the runtime PM (and > thus hwmod) init is not doing the equivalent of what was removed from > the driver. > > A hunch after a quick glance is that the driver changes are only doing > runtime PM calls on the UHH device and not the TTL device. In fact, > the patch that builds the USB host omap_device[1] doesn't even build one. > >> moreover, the patch 'mfd: Add omap-usbhs runtime PM support' is >> already reverted. > > It is reverted for this merge window, but will be added back for the > next window, so Jaswinder's problem still needs to be fixed the right way. > > Please rework the USB host runtime PM conversion so that *all* the IP > blocks are managed by runtime PM and the driver is doing runtime PM > calls for all the devices used. > > Kevin > [1] http://marc.info/?l=linux-omap&m=130693494126396&w=2 > Ya, the changes are going on ; I will post the patches soon. keshava -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html