From: Igor Grinberg <grinberg-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org>
To: Keshava Munegowda <keshava_mgowda-l0cyMroinI0@public.gmane.org>
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
balbi-l0cyMroinI0@public.gmane.org,
sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
parthab-PpE0FKYn9XJWk0Htik3J/w@public.gmane.org,
govindraj.raja-l0cyMroinI0@public.gmane.org
Subject: Re: [PATCH RESEND] ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue
Date: Tue, 27 Mar 2012 17:10:54 +0200 [thread overview]
Message-ID: <4F71D87E.70100@compulab.co.il> (raw)
In-Reply-To: <1332139367-1302-1-git-send-email-keshava_mgowda-l0cyMroinI0@public.gmane.org>
On 03/19/12 08:42, Keshava Munegowda wrote:
> From: Keshava Munegowda <Keshava_mgowda-l0cyMroinI0@public.gmane.org>
>
> 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.
>
> Signed-off-by: Keshava Munegowda <keshava_mgowda-l0cyMroinI0@public.gmane.org>
> Reviewed-by: Partha Basak <parthab-PpE0FKYn9XJWk0Htik3J/w@public.gmane.org>
Both EHCI ports worked on cm-t3730 previously and
no regression is seen with this patch.
Tested-by: Igor Grinberg <grinberg-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org>
--
Regards,
Igor.
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next prev parent reply other threads:[~2012-03-27 15:10 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-19 6:42 [PATCH RESEND] ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue Keshava Munegowda
2012-03-19 13:34 ` Raja, Govindraj
2012-03-19 14:43 ` Munegowda, Keshava
2012-05-02 8:47 ` Russ Dill
2012-05-02 8:49 ` Koen Kooi
2012-05-02 10:38 ` Raja, Govindraj
[not found] ` <CAMrsUdL18b2Ox3CkzuNjQQW1JT1+-SAso67EkrwE-BTJbavYPA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-05-02 10:50 ` Koen Kooi
[not found] ` <A53CAEEE-E425-46B7-8E7B-B4AFB163ECAC-QLwJDigV5abLmq1fohREcCpxlwaOVQ5f@public.gmane.org>
2012-05-02 11:22 ` Raja, Govindraj
2012-05-03 19:08 ` Russ Dill
[not found] ` <CA+Bv8XYodOf_TKR6__aP=p8L7ruKhn6imWnOEbN+3UsBWPmoiw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-05-04 6:03 ` Igor Grinberg
2012-05-04 9:06 ` Russ Dill
2012-05-04 9:33 ` Igor Grinberg
2012-05-04 9:33 ` [U-Boot] " Igor Grinberg
2012-05-03 1:25 ` Russ Dill
[not found] ` <CA+Bv8XYFxL8QhCvu2xLz=hsozjtzAVnZXUZvQsLBr9yuXYrfEQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-05-03 7:16 ` Raja, Govindraj
2012-03-20 15:53 ` Samuel Ortiz
2012-03-20 15:55 ` Felipe Balbi
2012-03-21 6:34 ` Munegowda, Keshava
2012-03-27 14:18 ` Igor Grinberg
2012-03-27 14:43 ` Samuel Ortiz
[not found] ` <1332139367-1302-1-git-send-email-keshava_mgowda-l0cyMroinI0@public.gmane.org>
2012-03-27 15:10 ` Igor Grinberg [this message]
2012-04-11 11:45 ` Munegowda, Keshava
[not found] ` <CAP05o4JWjoh-NoDeA3vYaS1yY_SGdm3TZvHA=pkQsP-Xo-kWnQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-04-16 16:46 ` Samuel Ortiz
2012-04-17 6:30 ` Munegowda, Keshava
2012-04-22 6:36 ` Igor Grinberg
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