Re: [PATCH] ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue

[Felipe Balbi <balbi@ti.com>]

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Hi,

On Fri, Feb 24, 2012 at 03:36:15PM +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>

won't this cause issues with EHCI/OHCI interactions ? I mean, what if
you connect a FS/LS device and port is handed over to OHCI, does OHCI
have any needs to reset the PHY or something similar ?

-- 
balbi

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