From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kevin Hilman <khilman@ti.com>
Subject: Re: [RFC][PATCH 3/9] OMAP4460: HWMOD: DO not reset GPIO1 during HWMOD init
Date: Fri, 27 May 2011 12:35:41 -0700
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In-Reply-To: <4DDFBDE6.1020606@ti.com> (Benoit Cousson's message of "Fri, 27
	May 2011 17:06:14 +0200")
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To: "Cousson, Benoit" <b-cousson@ti.com>
Cc: Govindraj <govindraj.ti@gmail.com>, "Menon, Nishanth" <nm@ti.com>, linux-omap <linux-omap@vger.kernel.org>, "Sonasath, Moiz" <m-sonasath@ti.com>

"Cousson, Benoit" <b-cousson@ti.com> writes:

> Hi Kevin,
>
> On 5/27/2011 4:59 PM, Hilman, Kevin wrote:
>> Govindraj<govindraj.ti@gmail.com>  writes:
>
> [...]
>
>>> uart->oh->flags |= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET;
>>>
>>
>> This is a hack (written by me) because the UART driver is not runtime PM
>> adapted.  When UART driver is runtime PM adapted, this will not be
>> needed.
>
> The UART can support reset and idle? There is no assumption for the
> UART used during the early debug phase?

No.  As long as the UART driver is doing runtime PM properly, there are
no assumptions required.

Kevin

> Don't we have to maintain its state?
> It will be indeed better if we don't have to.
>
> Regards,
> Benoit