Linux on ARM based TI OMAP SoCs
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From: Samuel Ortiz <sameo@linux.intel.com>
To: Keshava Munegowda <keshava_mgowda@ti.com>
Cc: linux-omap@vger.kernel.org, linux-usb@vger.kernel.org,
	balbi@ti.com, parthab@india.ti.com, govindraj.raja@ti.com
Subject: Re: [PATCH RESEND] ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue
Date: Tue, 20 Mar 2012 16:53:53 +0100	[thread overview]
Message-ID: <20120320155353.GE17818@sortiz-mobl> (raw)
In-Reply-To: <1332139367-1302-1-git-send-email-keshava_mgowda@ti.com>

Hi Keshava,

On Mon, Mar 19, 2012 at 12:12:47PM +0530, Keshava Munegowda wrote:
> From: Keshava Munegowda <Keshava_mgowda@ti.com>
> 
> 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@ti.com>
> Reviewed-by: Partha Basak <parthab@india.ti.com>
Felipe, are you ok with that patch ?
I'll most likely queue it after this merge window is closed though.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/

  parent reply	other threads:[~2012-03-20 15:45 UTC|newest]

Thread overview: 24+ 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
2012-05-03  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 [this message]
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
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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