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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On Mon, Apr 16, 2012 at 10:16 PM, Samuel Ortiz <sameo@xxxxxxxxxxxxxxx> wrote:
> Hi Keshava,
>
> On Wed, Apr 11, 2012 at 05:15:03PM +0530, Munegowda, Keshava wrote:
>> On Tue, Mar 27, 2012 at 8:40 PM, Igor Grinberg <grinberg@xxxxxxxxxxxxxx> wrote:
>> > 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.
>>
>> Hi sameo
>>          Since I am not seeing this patch in linux-next labled 3.4.rc2
>> on 10th april 2012;
>>  please let me know your plan to queue this patch for the main line.
> I applied this one to my for-linus branch, thanks.
>
> Cheers,
> Samuel.
>
> --
> Intel Open Source Technology Centre
> http://oss.intel.com/

Thank a lot Samuel

regards
keshava
--
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


B and H Foto and Electronics Corp.

[Linux Media]     [Video for Linux]     [Linux Input]     [Linux Audio Users]     [Photo]     [Yosemite News]    [Yosemite Photos]    [Free Online Dating]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]     [More Archives]

Add to Google Powered by Linux