linux-kernel - RE: [PATCH 1/2] staging: andriod: ion: Add ion_phys_get_by

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Message-ID: <A74E4C03C808B649AF1F11527F2D44140510FC7D@SHSMSX101.ccr.corp.intel.com>
Date:	Mon, 19 Jan 2015 01:14:49 +0000
From:	"Tang, Feng" <feng.tang@...el.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	John Stultz <john.stultz@...aro.org>,
	Colin Cross <ccross@...roid.com>,
	Heesub Shin <heesub.shin@...sung.com>,
	Mitchel Humpherys <mitchelh@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] staging: andriod: ion: Add ion_phys_get_by_id
 function

Hi Greg,

Thanks for your review.

> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Sunday, January 18, 2015 8:04 AM
> To: Tang, Feng
> Cc: One Thousand Gnomes; John Stultz; Colin Cross; Heesub Shin; Mitchel
> Humpherys; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH 1/2] staging: andriod: ion: Add ion_phys_get_by_id
> function
>
> > >
> > > On Sun,  4 Jan 2015 15:11:51 +0800
> > > Feng Tang <feng.tang@...el.com> wrote:
> > >
> > > > There is user case that user only knows the ion_handle idand
> > > > needs to get the physical addr and len. So add this wrapper to
> > > > meet this requirement.
> > >
> > > What is the in-tree upstream user of this new function ? I don't see one
> > > in your patches ?
> >
> > That's true. We are working on enabling a new platform which heavily
> > uses ION and some driver needs to use this API, so I guess there is some
> > other plaforms may have the similar requirements. If you think this patch
> > should be merged after there is an in-tree user, I'm OK with it :)
> >
> > I assume that driver's author will start to push his drivers in batch soon.
> 
> We need to see those patches first, we can't add apis for no in-tree
> user, otherwise they will just get ripped out.
I see. I'll repost this patch after our "user" driver get merged.

How about the 2/2 patch, which improve the profiling info through
debugfs?
	[PATCH 2/2] staging: android: ion: Add pss info for each ion_client

Thanks,
Feng

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