linux-kernel - Re: [PATCH v6 04/11] arm: omap: hwmod: add a new addr space in otg for writing to control module

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Message-ID: <CAAe_U6Lm3v-g64QmWzJJs_mZ-Qy4_YK5WKnt_B-P7sbRDNq=Jg@mail.gmail.com>
Date:	Fri, 3 Aug 2012 20:07:49 +0530
From:	"ABRAHAM, KISHON VIJAY" <kishon@...com>
To:	balbi@...com
Cc:	grant.likely@...retlab.ca, rob.herring@...xeda.com,
	rob@...dley.net, linux@....linux.org.uk,
	gregkh@...uxfoundation.org, b-cousson@...com, rnayak@...com,
	tony@...mide.com, devicetree-discuss@...ts.ozlabs.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH v6 04/11] arm: omap: hwmod: add a new addr space in otg
 for writing to control module

Hi,

On Fri, Aug 3, 2012 at 6:59 PM, Felipe Balbi <balbi@...com> wrote:
> On Mon, Jul 30, 2012 at 02:39:53PM +0530, Kishon Vijay Abraham I wrote:
>> The mailbox register for usb otg in omap is present in control module.
>> On detection of any events VBUS or ID, this register should be written
>> to send the notification to musb core.
>>
>> Till we have a separate control module driver to write to control module,
>> omap2430 will handle the register writes to control module by itself. So
>> a new address space to represent this control module register is added
>> to usb_otg_hs.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
>
> this should come before previous patch, right ? Otherwise we will try to
> ioremap a resource which isn't passed down to driver. No ?

right. Will change the order in my next series.

Thanks
Kishon
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