On Wed, May 2, 2012 at 2:17 PM, Russ Dill <Russ.Dill@xxxxxx> wrote: > On Mon, Mar 19, 2012 at 6:34 AM, Raja, Govindraj <govindraj.raja@xxxxxx> wrote: >> On Mon, Mar 19, 2012 at 12:12 PM, Keshava Munegowda >> <keshava_mgowda@xxxxxx> wrote: >>> From: Keshava Munegowda <Keshava_mgowda@xxxxxx> >>> >>> It is observed that the echi ports of 3430 sdp board >>> are not working due to the random timing of programming >>> the associated GPIOs of the ULPI PHYs of the EHCI for reset. >>> If the PHYs are reset at during usbhs core driver, host ports will >>> not work because EHCI driver is loaded after the resetting PHYs. >>> The PHYs should be in reset state while initializing the EHCI >>> controller. >>> The code which does the GPIO pins associated with the PHYs >>> are programmed to reset is moved from the USB host core driver >>> to EHCI driver. >> >> I tested on beagle xm where gpio nreset is requested from >> board file. >> (Basic enumertaion after gpio nreset seems to work fine, >> Hub and smsc lan chip get detected afetr boot up) >> > > What base did you test this on top of? my xM is failing USB-wise when > I apply this on v3.3.3 (with the UART mux fix patch) and where it is > applied within master (3.4-rc4, again, with the UART mux fix patch). > Additionally, reverting this patch from 3.4-rc5 causes rc5 to work > properly. > Works for me be on 3.4-rc5 Beagle-XM even without reverting the patch Logs as in here [1]. -- Thanks, Govindraj.R [1]: http://pastebin.pandaboard.org/index.php/view/20343533 -- 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
