linux-kernel - Re: [PATCH] Topcliff PHUB: Generate PacketHub driver

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Date:	Tue, 8 Jun 2010 17:48:40 +0900
From:	"Masayuki Ohtake" <masa-korg@....okisemi.com>
To:	"Arnd Bergmann" <arnd@...db.de>
Cc:	"LKML" <linux-kernel@...r.kernel.org>,
	"Andrew" <andrew.chih.howe.khor@...el.com>,
	"Intel OTC" <joel.clark@...el.com>, "Wang, Qi" <qi.wang@...el.com>,
	"Wang, Yong Y" <yong.y.wang@...el.com>
Subject: Re: [PATCH] Topcliff PHUB: Generate PacketHub driver

Hi Arnd

We are studying your indication.
> My feeling is that this ioctl interface is too
> low-level in general. You only export access to specific
> registers, not to functionality exposed by them.
> The best kernel interfaces are defined in a way that
> is independent of the underlying hardware and
> convert generic commands into device specific commands.

I have a question.
We don't know 'generic commands' concretely.
Let me know 'generic commands' in detail.

Thanks. Ohtake.

----- Original Message ----- 
From: "Arnd Bergmann" <arnd@...db.de>
To: "Masayuki Ohtake" <masa-korg@....okisemi.com>
Cc: "LKML" <linux-kernel@...r.kernel.org>; "Andrew" <andrew.chih.howe.khor@...el.com>; "Intel OTC"
<joel.clark@...el.com>; "Wang, Qi" <qi.wang@...el.com>; "Wang, Yong Y" <yong.y.wang@...el.com>
Sent: Monday, June 07, 2010 10:37 PM
Subject: Re: [PATCH] Topcliff PHUB: Generate PacketHub driver


> On Friday 04 June 2010, Masayuki Ohtake wrote:
> > From: Masayuki Ohtake <masa-korg@....okisemi.com>
> >
> > This patch adds the Packet Hub driver for Topcliff.
> > Patch created against 2.6.33.1
> >
> > Signed-off-by: Masayuki Ohtake <masa-korg@....okisemi.com>
>
> Most of the comments from my first review still apply to
> this version, please have another look at what I wrote
> back in april, see http://article.gmane.org/gmane.linux.network/158879
>
> Note also that patch submissions should be against the latest
> development kernel, in this case 2.6.35-rc2, not against stable
> kernel releases like 2.6.33.1.
>
> Arnd
>


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