Re: [PATCH RESEND] ARM: OMAP3: USB: Fix the EHCI ULPI PHY reset issue |
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On 03/19/12 08:42, Keshava Munegowda 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.
>
> Signed-off-by: Keshava Munegowda <keshava_mgowda@xxxxxx>
> Reviewed-by: Partha Basak <parthab@xxxxxxxxxxxx>
Both EHCI ports worked on cm-t3730 previously and
no regression is seen with this patch.
Tested-by: Igor Grinberg <grinberg@xxxxxxxxxxxxxx>
--
Regards,
Igor.
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