Hi Benoit,

> -----Original Message-----
> From: Cousson, Benoit
> Sent: Sunday, February 21, 2010 7:36 AM
> To: Shilimkar, Santosh; Anna, Suman; linux-omap@vger.kernel.org
> Cc: hiroshi.d...@nokia.com; Clark, Rob; Kanigeri, Hari; C.A, Subramaniam
> Subject: RE: [PATCH 2/5] omap: mailbox: correct OMAP4 reset logic
> 
> Hi Suman,
> 
> >
> Texas Instruments France SA, 821 Avenue Jack Kilby, 06270 Villeneuve
> Loubet. 036 420 040 R.C.S Antibes. Capital de EUR 753.920
> 
> -----Original Message-----
> 
> >From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-
> >ow...@vger.kernel.org] On Behalf Of Shilimkar, Santosh
> >Sent: Saturday, February 20, 2010 7:53 PM
> >To: Anna, Suman; linux-omap@vger.kernel.org
> >Cc: hiroshi.d...@nokia.com; Clark, Rob; Kanigeri, Hari; C.A, Subramaniam
> >Subject: RE: [PATCH 2/5] omap: mailbox: correct OMAP4 reset logic
> >
> >> -----Original Message-----
> >> From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-
> >ow...@vger.kernel.org] On Behalf Of Anna,
> >> Suman
> >> Sent: Friday, February 19, 2010 2:37 AM
> >> To: linux-omap@vger.kernel.org
> >> Cc: hiroshi.d...@nokia.com; Clark, Rob; Kanigeri, Hari; C.A,
> Subramaniam
> >> Subject: [PATCH 2/5] omap: mailbox: correct OMAP4 reset logic
> >>
> >> From 2488815a9facca29e2da3ddd279de441a5de6a58 Mon Sep 17 00:00:00 2001
> >> From: Suman Anna <s-a...@ti.com>
> >> Date: Tue, 26 Jan 2010 16:55:29 -0600
> >> Subject: [PATCH 2/5] omap: mailbox: correct OMAP4 reset logic
> >>
> >> OMAP4 mailbox has a different register set. There is
> >> no MAILBOX_SYSSTATUS register. The reset is indicated
> >> with the SOFTRESET bit of the MAILBOX_SYSCONFIG register
> >> itself. This bit should read 0 for a successful Reset.
> >> Also, the SOFTRESET bit occupies bit0 and not bit1 as with
> >> previous generations.

> 
> This is due to the new standard defined for OMAP4 IPs and well explain by
> Thara in a recently posted patch to handle that smoothly using hwmod.
> [PATCH V4] OMAP3: hwmod: support to specify the offset position of various
> SYSCONFIG register bits.
> http://www.mail-archive.com/linux-omap@vger.kernel.org/msg23509.html
> 
> Is there a reason to not convert the mailbox driver to use hwmod?
> It will avoid you to handle that in the mailbox driver code, whereas the
> hwmod framework is already taking care of that.
> 
> Regards,
> Benoit
>

Thanks for the reference. Mailbox driver is yet to migrate to use the new 
hwmod. It is still based on the old framework.

Regards
Suman
 
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